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Weather
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MISCELLANEOUS
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24hour graph all parameters
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Dam Levels
Summary
|
||
|---|---|---|
| Warmest month | January | 23 °C |
| Coldest month | July | 11.24 °C |
| Average annual temperature | 17.64 °C | |
| Warmest year (1901-2012) | 2010 | 18.84 °C |
| Coldest year (1901-2012) | 1907 | 16.49 °C |
| Average annual temperature trend (1901-2012) | +0.0139 °C | |
|
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| Wettest month | January | 67.86 mm |
| Driest month | July | 14.67 mm |
| Average annual precipitation | 40.51 mm | |
| Wettest year (1901-2012) | 1976 | 689.8 mm |
| Driest year (1901-2012) | 1992 | 327.9 mm |
| Average annual precipitation trend (1901-2012) | +0.1084 mm | |
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| Month with highest average daily PEV | December | 5.71 mm |
| Month with lowest average daily PEV | June | 2.01 mm |
| Average daily PEV | 3.93 mm | |
| Year with highest average daily PEV (1901-2012) | 2007 | 4.13 mm |
| Year with lowest average daily PEV (1901-2012) | 1907 | 3.75 mm |
| Average annual daily PEV trend (1901-2012) | +0.0015 mm | |
|
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| Month with highest cloudiness | February | 43.96 % |
| Month with lowest cloudiness | July | 21.83 % |
| Average annual cloudiness | 35.15 % | |
| Year with highest average cloudiness (1901-2012) | 1974 | 40.17 % |
| Year with lowest average cloudiness (1901-2012) | 1941 | 29.73 % |
| Average annual cloudiness trend (1901-2012) | -0.0042 % | |
Summary graph
Summary graph for decades
Summary table of values and deviations for individual years
Year
|
Average |
deviation |
Total |
deviation |
Average |
deviation |
Average |
deviation |
|||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
°C
|
°C
|
%
|
mm
|
mm
|
%
|
mm
|
mm
|
%
|
%
|
%
|
|
| 1901 | 16.95 | -0.69 | -3.9 | 603.8 | 117.7 | 24.2 | 3.83 | -0.10 | -2.5 | 35.8 | 0.6 |
| 1902 | 16.86 | -0.78 | -4.4 | 431.7 | -54.4 | -11.2 | 3.78 | -0.15 | -3.8 | 35.8 | 0.6 |
| 1903 | 16.80 | -0.84 | -4.8 | 358.6 | -127.5 | -26.2 | 3.80 | -0.13 | -3.3 | 35.7 | 0.6 |
| 1904 | 16.78 | -0.86 | -4.9 | 441.1 | -45.0 | -9.3 | 3.78 | -0.15 | -3.8 | 35.8 | 0.6 |
| 1905 | 16.98 | -0.66 | -3.7 | 446.2 | -39.9 | -8.2 | 3.82 | -0.11 | -2.8 | 35.8 | 0.6 |
| 1906 | 16.66 | -0.98 | -5.6 | 497.5 | 11.4 | 2.3 | 3.76 | -0.17 | -4.3 | 35.7 | 0.6 |
| 1907 | 16.49 | -1.15 | -6.5 | 562.0 | 75.9 | 15.6 | 3.75 | -0.18 | -4.6 | 35.7 | 0.6 |
| 1908 | 16.78 | -0.86 | -4.9 | 407.0 | -79.1 | -16.3 | 3.78 | -0.14 | -3.6 | 35.8 | 0.6 |
| 1909 | 16.87 | -0.77 | -4.4 | 611.2 | 125.1 | 25.7 | 3.83 | -0.10 | -2.5 | 35.7 | 0.6 |
| 1910 | 16.62 | -1.02 | -5.8 | 500.9 | 14.8 | 3.0 | 3.80 | -0.13 | -3.3 | 35.7 | 0.6 |
| 1911 | 16.86 | -0.78 | -4.4 | 520.9 | 34.8 | 7.2 | 3.84 | -0.09 | -2.3 | 35.7 | 0.6 |
| 1912 | 17.18 | -0.46 | -2.6 | 415.8 | -70.3 | -14.5 | 3.87 | -0.06 | -1.5 | 35.8 | 0.6 |
| 1913 | 17.27 | -0.37 | -2.1 | 479.8 | -6.3 | -1.3 | 3.88 | -0.05 | -1.3 | 35.7 | 0.6 |
| 1914 | 17.32 | -0.32 | -1.8 | 502.4 | 16.3 | 3.4 | 3.87 | -0.06 | -1.5 | 35.8 | 0.6 |
| 1915 | 17.12 | -0.52 | -2.9 | 468.4 | -17.7 | -3.6 | 3.86 | -0.07 | -1.8 | 35.7 | 0.6 |
| 1916 | 17.08 | -0.56 | -3.2 | 396.6 | -89.5 | -18.4 | 3.87 | -0.06 | -1.5 | 35.7 | 0.6 |
| 1917 | 16.64 | -1.00 | -5.7 | 612.5 | 126.4 | 26.0 | 3.81 | -0.12 | -3.1 | 35.8 | 0.6 |
| 1918 | 16.91 | -0.73 | -4.1 | 572.0 | 85.9 | 17.7 | 3.85 | -0.08 | -2.0 | 35.7 | 0.6 |
| 1919 | 17.33 | -0.31 | -1.8 | 375.2 | -110.9 | -22.8 | 3.92 | -0.01 | -0.3 | 35.7 | 0.6 |
| 1920 | 17.23 | -0.41 | -2.3 | 525.5 | 39.4 | 8.1 | 3.88 | -0.05 | -1.3 | 35.7 | 0.6 |
| 1921 | 16.70 | -0.94 | -5.3 | 584.9 | 98.8 | 20.3 | 3.82 | -0.11 | -2.8 | 35.7 | 0.6 |
| 1922 | 17.36 | -0.28 | -1.6 | 411.2 | -74.9 | -15.4 | 3.87 | -0.06 | -1.5 | 35.7 | 0.6 |
| 1923 | 17.41 | -0.23 | -1.3 | 486.2 | 0.1 | 0.0 | 3.92 | -0.01 | -0.3 | 35.7 | 0.6 |
| 1924 | 16.72 | -0.92 | -5.2 | 497.1 | 11.0 | 2.3 | 3.83 | -0.09 | -2.3 | 35.7 | 0.5 |
| 1925 | 17.06 | -0.58 | -3.3 | 570.4 | 84.3 | 17.3 | 3.87 | -0.06 | -1.5 | 35.7 | 0.5 |
| 1926 | 17.18 | -0.46 | -2.6 | 388.9 | -97.2 | -20.0 | 3.88 | -0.05 | -1.3 | 35.7 | 0.6 |
| 1927 | 17.66 | 0.02 | 0.1 | 393.3 | -92.8 | -19.1 | 3.97 | 0.04 | 1.0 | 35.7 | 0.6 |
| 1928 | 17.39 | -0.25 | -1.4 | 440.4 | -45.7 | -9.4 | 3.88 | -0.04 | -1.0 | 35.7 | 0.6 |
| 1929 | 17.37 | -0.27 | -1.5 | 546.3 | 60.2 | 12.4 | 3.88 | -0.04 | -1.0 | 35.7 | 0.6 |
| 1930 | 17.22 | -0.42 | -2.4 | 426.2 | -59.9 | -12.3 | 3.89 | -0.04 | -1.0 | 35.7 | 0.6 |
| 1931 | 17.62 | -0.02 | -0.1 | 459.3 | -26.8 | -5.5 | 3.91 | -0.02 | -0.5 | 35.7 | 0.6 |
| 1932 | 17.94 | 0.30 | 1.7 | 435.4 | -50.7 | -10.4 | 3.97 | 0.04 | 1.0 | 35.7 | 0.6 |
| 1933 | 17.81 | 0.17 | 1.0 | 405.2 | -80.9 | -16.6 | 3.98 | 0.06 | 1.5 | 35.8 | 0.6 |
| 1934 | 17.83 | 0.19 | 1.1 | 568.4 | 82.3 | 16.9 | 3.93 | -0.00 | 0.0 | 35.8 | 0.6 |
| 1935 | 17.01 | -0.63 | -3.6 | 397.6 | -88.5 | -18.2 | 3.88 | -0.04 | -1.0 | 35.7 | 0.6 |
| 1936 | 17.33 | -0.31 | -1.8 | 515.5 | 29.4 | 6.0 | 3.88 | -0.04 | -1.0 | 35.8 | 0.6 |
| 1937 | 17.65 | 0.01 | 0.1 | 459.3 | -26.8 | -5.5 | 3.96 | 0.03 | 0.8 | 35.7 | 0.6 |
| 1938 | 17.60 | -0.04 | -0.2 | 475.7 | -10.4 | -2.1 | 3.91 | -0.02 | -0.5 | 35.7 | 0.6 |
| 1939 | 17.37 | -0.27 | -1.5 | 578.5 | 92.4 | 19.0 | 3.88 | -0.05 | -1.3 | 35.8 | 0.6 |
| 1940 | 17.70 | 0.06 | 0.3 | 509.2 | 23.1 | 4.8 | 4.01 | 0.08 | 2.0 | 32.7 | -2.4 |
| 1941 | 17.99 | 0.35 | 2.0 | 430.6 | -55.5 | -11.4 | 4.09 | 0.16 | 4.1 | 29.7 | -5.4 |
| 1942 | 17.73 | 0.09 | 0.5 | 554.3 | 68.2 | 14.0 | 3.85 | -0.08 | -2.0 | 35.7 | 0.6 |
| 1943 | 17.00 | -0.64 | -3.6 | 602.4 | 116.3 | 23.9 | 3.82 | -0.11 | -2.8 | 37.1 | 1.9 |
| 1944 | 17.74 | 0.10 | 0.6 | 451.6 | -34.5 | -7.1 | 4.07 | 0.14 | 3.6 | 30.3 | -4.8 |
| 1945 | 18.00 | 0.36 | 2.0 | 365.7 | -120.4 | -24.8 | 4.12 | 0.19 | 4.8 | 29.8 | -5.4 |
| 1946 | 17.93 | 0.29 | 1.6 | 445.7 | -40.4 | -8.3 | 4.07 | 0.14 | 3.6 | 31.3 | -3.9 |
| 1947 | 17.98 | 0.34 | 1.9 | 471.4 | -14.7 | -3.0 | 4.04 | 0.11 | 2.8 | 33.0 | -2.1 |
| 1948 | 17.55 | -0.09 | -0.5 | 464.0 | -22.1 | -4.5 | 3.98 | 0.05 | 1.3 | 32.1 | -3.1 |
| 1949 | 17.97 | 0.33 | 1.9 | 427.0 | -59.1 | -12.2 | 4.07 | 0.14 | 3.6 | 31.1 | -4.0 |
| 1950 | 17.61 | -0.03 | -0.2 | 535.6 | 49.5 | 10.2 | 3.93 | 0.01 | 0.3 | 35.9 | 0.8 |
| 1951 | 17.22 | -0.42 | -2.4 | 407.0 | -79.1 | -16.3 | 4.03 | 0.10 | 2.5 | 30.6 | -4.6 |
| 1952 | 17.75 | 0.11 | 0.6 | 448.9 | -37.2 | -7.7 | 4.03 | 0.10 | 2.5 | 32.4 | -2.8 |
| 1953 | 17.44 | -0.20 | -1.1 | 515.6 | 29.5 | 6.1 | 3.92 | -0.01 | -0.3 | 34.4 | -0.7 |
| 1954 | 17.20 | -0.44 | -2.5 | 485.6 | -0.5 | -0.1 | 3.92 | -0.01 | -0.3 | 33.9 | -1.3 |
| 1955 | 16.76 | -0.88 | -5.0 | 580.6 | 94.5 | 19.4 | 3.78 | -0.15 | -3.8 | 36.9 | 1.7 |
| 1956 | 17.24 | -0.40 | -2.3 | 549.7 | 63.6 | 13.1 | 3.90 | -0.03 | -0.8 | 36.0 | 0.8 |
| 1957 | 17.73 | 0.09 | 0.5 | 544.6 | 58.5 | 12.0 | 3.90 | -0.03 | -0.8 | 38.1 | 3.0 |
| 1958 | 17.74 | 0.10 | 0.6 | 497.4 | 11.3 | 2.3 | 3.99 | 0.06 | 1.5 | 34.0 | -1.1 |
| 1959 | 17.63 | -0.01 | -0.1 | 470.2 | -15.9 | -3.3 | 3.98 | 0.05 | 1.3 | 33.4 | -1.7 |
| 1960 | 17.77 | 0.13 | 0.7 | 469.6 | -16.5 | -3.4 | 3.95 | 0.02 | 0.5 | 34.8 | -0.4 |
| 1961 | 17.73 | 0.09 | 0.5 | 533.7 | 47.6 | 9.8 | 3.92 | -0.01 | -0.3 | 37.8 | 2.6 |
| 1962 | 17.93 | 0.29 | 1.6 | 449.5 | -36.6 | -7.5 | 4.04 | 0.11 | 2.8 | 32.3 | -2.8 |
| 1963 | 17.73 | 0.09 | 0.5 | 535.1 | 49.0 | 10.1 | 3.88 | -0.04 | -1.0 | 37.4 | 2.2 |
| 1964 | 17.51 | -0.13 | -0.7 | 443.9 | -42.2 | -8.7 | 3.95 | 0.02 | 0.5 | 34.3 | -0.8 |
| 1965 | 17.61 | -0.03 | -0.2 | 374.7 | -111.4 | -22.9 | 3.99 | 0.06 | 1.5 | 33.8 | -1.4 |
| 1966 | 18.00 | 0.36 | 2.0 | 394.3 | -91.8 | -18.9 | 3.97 | 0.04 | 1.0 | 35.2 | 0.0 |
| 1967 | 17.48 | -0.16 | -0.9 | 557.0 | 70.9 | 14.6 | 3.87 | -0.06 | -1.5 | 38.2 | 3.0 |
| 1968 | 17.24 | -0.40 | -2.3 | 403.2 | -82.9 | -17.1 | 3.88 | -0.04 | -1.0 | 36.1 | 0.9 |
| 1969 | 17.93 | 0.29 | 1.6 | 455.0 | -31.1 | -6.4 | 3.93 | 0.01 | 0.3 | 36.3 | 1.1 |
| 1970 | 17.90 | 0.26 | 1.5 | 404.8 | -81.3 | -16.7 | 3.98 | 0.06 | 1.5 | 34.2 | -0.9 |
| 1971 | 17.53 | -0.11 | -0.6 | 515.8 | 29.7 | 6.1 | 3.85 | -0.08 | -2.0 | 36.9 | 1.7 |
| 1972 | 17.86 | 0.22 | 1.2 | 472.5 | -13.6 | -2.8 | 3.97 | 0.04 | 1.0 | 33.5 | -1.6 |
| 1973 | 17.85 | 0.21 | 1.2 | 494.5 | 8.4 | 1.7 | 3.89 | -0.04 | -1.0 | 36.6 | 1.5 |
| 1974 | 17.34 | -0.30 | -1.7 | 658.7 | 172.6 | 35.5 | 3.77 | -0.16 | -4.1 | 40.2 | 5.0 |
| 1975 | 17.34 | -0.30 | -1.7 | 584.0 | 97.9 | 20.1 | 3.85 | -0.08 | -2.0 | 36.5 | 1.3 |
| 1976 | 17.15 | -0.49 | -2.8 | 689.8 | 203.7 | 41.9 | 3.76 | -0.17 | -4.3 | 39.0 | 3.9 |
| 1977 | 17.86 | 0.22 | 1.2 | 575.6 | 89.5 | 18.4 | 3.89 | -0.04 | -1.0 | 36.0 | 0.8 |
| 1978 | 17.61 | -0.03 | -0.2 | 517.1 | 31.0 | 6.4 | 3.94 | 0.01 | 0.3 | 33.2 | -2.0 |
| 1979 | 18.03 | 0.39 | 2.2 | 437.4 | -48.7 | -10.0 | 3.98 | 0.05 | 1.3 | 35.7 | 0.6 |
| 1980 | 17.84 | 0.20 | 1.1 | 454.6 | -31.5 | -6.5 | 3.99 | 0.06 | 1.5 | 32.5 | -2.7 |
| 1981 | 17.37 | -0.27 | -1.5 | 552.6 | 66.5 | 13.7 | 3.86 | -0.07 | -1.8 | 36.0 | 0.8 |
| 1982 | 17.98 | 0.34 | 1.9 | 400.9 | -85.2 | -17.5 | 4.00 | 0.07 | 1.8 | 36.4 | 1.3 |
| 1983 | 18.47 | 0.83 | 4.7 | 440.0 | -46.1 | -9.5 | 4.03 | 0.10 | 2.5 | 35.2 | 0.1 |
| 1984 | 18.28 | 0.64 | 3.6 | 429.2 | -56.9 | -11.7 | 4.03 | 0.10 | 2.5 | 34.6 | -0.5 |
| 1985 | 18.37 | 0.73 | 4.1 | 524.5 | 38.4 | 7.9 | 3.96 | 0.03 | 0.8 | 35.1 | -0.1 |
| 1986 | 18.33 | 0.69 | 3.9 | 448.6 | -37.5 | -7.7 | 3.98 | 0.06 | 1.5 | 35.8 | 0.6 |
| 1987 | 18.43 | 0.79 | 4.5 | 487.0 | 0.9 | 0.2 | 3.98 | 0.06 | 1.5 | 36.2 | 1.0 |
| 1988 | 17.93 | 0.29 | 1.6 | 598.3 | 112.2 | 23.1 | 3.87 | -0.06 | -1.5 | 37.8 | 2.7 |
| 1989 | 17.73 | 0.09 | 0.5 | 527.2 | 41.1 | 8.5 | 3.92 | -0.01 | -0.3 | 36.1 | 0.9 |
| 1990 | 18.00 | 0.36 | 2.0 | 403.3 | -82.8 | -17.0 | 4.01 | 0.08 | 2.0 | 34.4 | -0.7 |
| 1991 | 18.01 | 0.37 | 2.1 | 514.7 | 28.6 | 5.9 | 3.90 | -0.03 | -0.8 | 36.0 | 0.8 |
| 1992 | 18.48 | 0.84 | 4.8 | 327.9 | -158.2 | -32.5 | 4.12 | 0.19 | 4.8 | 31.6 | -3.5 |
| 1993 | 18.52 | 0.88 | 5.0 | 454.7 | -31.4 | -6.5 | 3.95 | 0.02 | 0.5 | 36.1 | 0.9 |
| 1994 | 17.90 | 0.26 | 1.5 | 398.0 | -88.1 | -18.1 | 4.03 | 0.11 | 2.8 | 32.6 | -2.6 |
| 1995 | 18.11 | 0.47 | 2.7 | 517.2 | 31.1 | 6.4 | 3.90 | -0.03 | -0.8 | 36.4 | 1.2 |
| 1996 | 17.56 | -0.08 | -0.5 | 589.7 | 103.6 | 21.3 | 3.80 | -0.13 | -3.3 | 38.0 | 2.9 |
| 1997 | 17.89 | 0.25 | 1.4 | 510.2 | 24.1 | 5.0 | 3.88 | -0.04 | -1.0 | 37.7 | 2.5 |
| 1998 | 18.33 | 0.69 | 3.9 | 503.7 | 17.6 | 3.6 | 3.95 | 0.02 | 0.5 | 35.5 | 0.4 |
| 1999 | 18.73 | 1.09 | 6.2 | 452.3 | -33.8 | -7.0 | 4.03 | 0.10 | 2.5 | 35.0 | -0.1 |
| 2000 | 17.78 | 0.14 | 0.8 | 616.9 | 130.8 | 26.9 | 3.86 | -0.07 | -1.8 | 36.8 | 1.7 |
| 2001 | 18.04 | 0.40 | 2.3 | 574.4 | 88.3 | 18.2 | 3.88 | -0.04 | -1.0 | 37.5 | 2.3 |
| 2002 | 18.09 | 0.45 | 2.6 | 437.4 | -48.7 | -10.0 | 4.01 | 0.08 | 2.0 | 35.9 | 0.8 |
| 2003 | 18.43 | 0.79 | 4.5 | 383.3 | -102.8 | -21.1 | 4.10 | 0.17 | 4.3 | 32.0 | -3.2 |
| 2004 | 18.60 | 0.96 | 5.4 | 485.9 | -0.2 | -0.0 | 4.07 | 0.14 | 3.6 | 33.0 | -2.1 |
| 2005 | 18.69 | 1.05 | 6.0 | 410.5 | -75.6 | -15.6 | 4.10 | 0.17 | 4.3 | 32.5 | -2.6 |
| 2006 | 18.32 | 0.68 | 3.9 | 590.9 | 104.8 | 21.6 | 3.96 | 0.03 | 0.8 | 36.3 | 1.1 |
| 2007 | 18.53 | 0.89 | 5.0 | 440.5 | -45.6 | -9.4 | 4.13 | 0.21 | 5.3 | 31.3 | -3.9 |
| 2008 | 18.60 | 0.96 | 5.4 | 440.9 | -45.2 | -9.3 | 4.05 | 0.12 | 3.1 | 34.1 | -1.0 |
| 2009 | 18.58 | 0.94 | 5.3 | 486.4 | 0.3 | 0.1 | 4.02 | 0.09 | 2.3 | 34.9 | -0.3 |
| 2010 | 18.84 | 1.20 | 6.8 | 489.7 | 3.6 | 0.7 | 4.05 | 0.12 | 3.1 | 34.8 | -0.3 |
| 2011 | 18.33 | 0.69 | 3.9 | 570.7 | 84.6 | 17.4 | 4.02 | 0.09 | 2.3 | 35.2 | 0.0 |
| 2012 | 18.35 | 0.71 | 4.0 | 487.3 | 1.2 | 0.2 | 4.07 | 0.14 | 3.6 | 33.5 | -1.6 |
Summary deviations table by decades
|
Year
|
Average |
deviation |
Total |
deviation |
Average |
deviation |
Average |
deviation |
|||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
°C
|
°C
|
%
|
mm
|
mm
|
%
|
mm
|
mm
|
%
|
%
|
%
|
|
| 1901-1910 | 16.78 | -0.86 | -4.9 | 486.0 | -0.1 | -0.0 | 3.79 | -0.14 | -3.6 | 35.74 | 0.59 |
| 1911-1920 | 17.09 | -0.55 | -3.1 | 486.9 | 0.8 | 0.2 | 3.86 | -0.07 | -1.8 | 35.74 | 0.59 |
| 1921-1930 | 17.21 | -0.43 | -2.4 | 474.5 | -11.6 | -2.4 | 3.88 | -0.05 | -1.3 | 35.72 | 0.57 |
| 1931-1940 | 17.59 | -0.05 | -0.3 | 480.4 | -5.7 | -1.2 | 3.93 | 0.00 | 0.0 | 35.44 | 0.29 |
| 1941-1950 | 17.75 | 0.11 | 0.6 | 474.8 | -11.3 | -2.3 | 4.00 | 0.07 | 1.8 | 32.61 | -2.54 |
| 1951-1960 | 17.45 | -0.19 | -1.1 | 496.9 | 10.8 | 2.2 | 3.94 | 0.01 | 0.3 | 34.44 | -0.71 |
| 1961-1970 | 17.71 | 0.07 | 0.4 | 455.1 | -31.0 | -6.4 | 3.94 | 0.01 | 0.3 | 35.55 | 0.40 |
| 1971-1980 | 17.64 | 0.00 | 0.0 | 540.0 | 53.9 | 11.1 | 3.89 | -0.04 | -1.0 | 36.00 | 0.85 |
| 1981-1990 | 18.09 | 0.45 | 2.6 | 481.2 | -4.9 | -1.0 | 3.96 | 0.03 | 0.8 | 35.76 | 0.61 |
| 1991-2000 | 18.13 | 0.49 | 2.8 | 488.5 | 2.4 | 0.5 | 3.94 | 0.01 | 0.3 | 35.57 | 0.42 |
| 2001-2010 | 18.47 | 0.83 | 4.7 | 474.0 | -12.1 | -2.5 | 4.04 | 0.11 | 2.8 | 34.22 | -0.93 |
Graph of deviations by decades
Graph of temperatures for individual years and months
Long-term temperature heatmap
Warmest and coldest months
Graph of average monthly temperature ranges
Graph of annual temperature deviations
Table of average monthly temperatures for individual decades
| Month | Average | 1901-1910 | 1911-1920 | 1921-1930 | 1931-1940 | 1941-1950 | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
|
|
|
|
|
|
|
|
|
||
| 1 | 23.00 | 22.11 | -0.89 | 22.70 | -0.30 | 22.65 | -0.35 | 22.63 | -0.37 | 23.13 | 0.13 |
| 2 | 22.74 | 21.85 | -0.89 | 22.50 | -0.24 | 22.37 | -0.37 | 22.54 | -0.20 | 23.02 | 0.28 |
| 3 | 21.05 | 20.10 | -0.95 | 20.42 | -0.63 | 20.61 | -0.44 | 20.97 | -0.08 | 21.10 | 0.05 |
| 4 | 17.93 | 17.10 | -0.83 | 17.46 | -0.47 | 17.52 | -0.41 | 18.06 | 0.13 | 18.17 | 0.24 |
| 5 | 14.38 | 13.65 | -0.73 | 13.53 | -0.85 | 13.72 | -0.65 | 14.66 | 0.29 | 14.35 | -0.03 |
| 6 | 11.45 | 10.74 | -0.71 | 10.72 | -0.73 | 10.95 | -0.50 | 11.77 | 0.32 | 11.57 | 0.12 |
| 7 | 11.24 | 10.73 | -0.51 | 10.61 | -0.63 | 10.67 | -0.57 | 11.18 | -0.06 | 11.31 | 0.07 |
| 8 | 13.08 | 12.26 | -0.82 | 12.23 | -0.85 | 12.41 | -0.67 | 13.19 | 0.11 | 13.42 | 0.34 |
| 9 | 15.89 | 15.01 | -0.88 | 15.07 | -0.82 | 15.35 | -0.54 | 15.47 | -0.42 | 15.91 | 0.02 |
| 10 | 18.43 | 17.20 | -1.23 | 18.05 | -0.38 | 18.21 | -0.22 | 18.45 | 0.02 | 18.51 | 0.08 |
| 11 | 20.39 | 19.26 | -1.13 | 19.92 | -0.47 | 20.11 | -0.28 | 20.14 | -0.25 | 20.49 | 0.10 |
| 12 | 22.10 | 21.33 | -0.77 | 21.89 | -0.21 | 21.90 | -0.20 | 21.97 | -0.13 | 22.01 | -0.09 |
| Month | Average | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2000 | 2001-2010 | ||||||
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| 1 | 23.00 | 22.81 | -0.19 | 23.34 | 0.34 | 22.82 | -0.18 | 23.65 | 0.65 | 23.42 | 0.42 | 23.49 | 0.49 |
| 2 | 22.74 | 22.43 | -0.31 | 22.70 | -0.04 | 22.51 | -0.23 | 23.05 | 0.31 | 23.29 | 0.55 | 23.70 | 0.96 |
| 3 | 21.05 | 20.86 | -0.19 | 21.28 | 0.23 | 21.06 | 0.01 | 21.45 | 0.40 | 21.60 | 0.55 | 21.80 | 0.75 |
| 4 | 17.93 | 17.63 | -0.30 | 17.49 | -0.44 | 18.07 | 0.14 | 18.41 | 0.48 | 18.37 | 0.44 | 18.91 | 0.98 |
| 5 | 14.38 | 14.10 | -0.28 | 14.30 | -0.07 | 14.21 | -0.16 | 15.20 | 0.82 | 14.80 | 0.43 | 15.29 | 0.91 |
| 6 | 11.45 | 11.24 | -0.21 | 11.18 | -0.27 | 11.73 | 0.28 | 11.76 | 0.31 | 11.91 | 0.46 | 12.31 | 0.86 |
| 7 | 11.24 | 11.10 | -0.14 | 11.25 | 0.01 | 11.47 | 0.23 | 11.62 | 0.38 | 11.66 | 0.42 | 12.00 | 0.76 |
| 8 | 13.08 | 12.88 | -0.20 | 13.22 | 0.14 | 12.93 | -0.15 | 13.72 | 0.64 | 13.60 | 0.52 | 13.89 | 0.81 |
| 9 | 15.89 | 15.63 | -0.26 | 16.39 | 0.50 | 15.96 | 0.07 | 16.40 | 0.51 | 16.74 | 0.85 | 16.72 | 0.83 |
| 10 | 18.43 | 18.30 | -0.13 | 18.45 | 0.02 | 18.42 | -0.01 | 18.57 | 0.14 | 19.01 | 0.58 | 19.52 | 1.09 |
| 11 | 20.39 | 20.50 | 0.11 | 20.57 | 0.18 | 20.40 | 0.01 | 20.83 | 0.44 | 20.71 | 0.32 | 21.26 | 0.87 |
| 12 | 22.10 | 21.88 | -0.22 | 22.31 | 0.21 | 22.10 | 0.00 | 22.38 | 0.28 | 22.45 | 0.35 | 22.77 | 0.67 |
Graph of average temperatures for individual months and decades
Graph of average temperature deviations for individual months and decades
Graph of average temperature ranges in individual decades
Graph of precipitation for individual years and months
Long-term precipitation heatmap
Wettest and driest months
Graph of annual precipitation deviations
Table of average monthly precipitation for individual decades
| Month | Average | 1901-1910 | 1911-1920 | 1921-1930 | 1931-1940 | 1941-1950 | |||||
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| 1 | 67.86 | 67.31 | -0.55 | 69.04 | 1.18 | 62.39 | -5.47 | 66.09 | -1.77 | 64.36 | -3.50 |
| 2 | 66.02 | 71.23 | 5.21 | 71.50 | 5.48 | 58.78 | -7.24 | 69.45 | 3.43 | 59.68 | -6.34 |
| 3 | 63.28 | 61.73 | -1.55 | 68.27 | 4.99 | 80.08 | 16.80 | 59.66 | -3.62 | 68.85 | 5.57 |
| 4 | 36.07 | 35.51 | -0.56 | 31.44 | -4.63 | 28.23 | -7.84 | 31.34 | -4.73 | 42.20 | 6.13 |
| 5 | 21.72 | 21.27 | -0.45 | 22.04 | 0.32 | 19.43 | -2.29 | 23.11 | 1.39 | 23.88 | 2.16 |
| 6 | 16.27 | 14.40 | -1.87 | 17.36 | 1.09 | 18.09 | 1.82 | 13.78 | -2.49 | 14.39 | -1.88 |
| 7 | 14.67 | 9.75 | -4.92 | 17.92 | 3.25 | 13.63 | -1.04 | 18.13 | 3.46 | 13.37 | -1.30 |
| 8 | 17.37 | 14.33 | -3.04 | 19.39 | 2.02 | 16.61 | -0.76 | 14.13 | -3.24 | 15.69 | -1.68 |
| 9 | 24.48 | 31.48 | 7.00 | 22.36 | -2.12 | 27.37 | 2.89 | 23.77 | -0.71 | 22.15 | -2.33 |
| 10 | 41.28 | 45.71 | 4.43 | 40.42 | -0.86 | 35.26 | -6.02 | 34.18 | -7.10 | 40.89 | -0.39 |
| 11 | 55.05 | 52.11 | -2.94 | 49.82 | -5.23 | 54.61 | -0.44 | 62.47 | 7.42 | 51.12 | -3.93 |
| 12 | 62.01 | 61.17 | -0.84 | 57.35 | -4.66 | 60.01 | -2.00 | 64.30 | 2.29 | 58.25 | -3.76 |
| Month | Average | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2000 | 2001-2010 | ||||||
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| 1 | 67.86 | 62.73 | -5.13 | 60.98 | -6.88 | 85.61 | 17.75 | 59.61 | -8.25 | 74.54 | 6.68 | 71.81 | 3.95 |
| 2 | 66.02 | 70.64 | 4.62 | 51.32 | -14.70 | 80.15 | 14.13 | 65.90 | -0.12 | 63.21 | -2.81 | 63.07 | -2.95 |
| 3 | 63.28 | 57.73 | -5.55 | 58.04 | -5.24 | 70.58 | 7.30 | 55.12 | -8.16 | 63.96 | 0.68 | 51.76 | -11.52 |
| 4 | 36.07 | 37.79 | 1.72 | 45.63 | 9.56 | 40.38 | 4.31 | 38.95 | 2.88 | 28.02 | -8.05 | 35.98 | -0.09 |
| 5 | 21.72 | 27.03 | 5.31 | 21.58 | -0.14 | 23.94 | 2.22 | 16.18 | -5.54 | 19.31 | -2.41 | 20.71 | -1.01 |
| 6 | 16.27 | 14.32 | -1.95 | 21.67 | 5.40 | 12.74 | -3.53 | 18.43 | 2.16 | 14.22 | -2.05 | 16.28 | 0.01 |
| 7 | 14.67 | 15.95 | 1.28 | 13.90 | -0.77 | 14.95 | 0.28 | 15.43 | 0.76 | 14.53 | -0.14 | 12.75 | -1.92 |
| 8 | 17.37 | 18.17 | 0.80 | 18.03 | 0.66 | 22.88 | 5.51 | 19.39 | 2.02 | 14.40 | -2.97 | 18.40 | 1.03 |
| 9 | 24.48 | 26.72 | 2.24 | 17.86 | -6.62 | 28.99 | 4.51 | 27.40 | 2.92 | 20.52 | -3.96 | 22.07 | -2.41 |
| 10 | 41.28 | 41.63 | 0.35 | 42.33 | 1.05 | 37.77 | -3.51 | 50.49 | 9.21 | 46.20 | 4.92 | 37.63 | -3.65 |
| 11 | 55.05 | 54.80 | -0.25 | 53.33 | -1.72 | 58.74 | 3.69 | 54.87 | -0.18 | 58.43 | 3.38 | 57.83 | 2.78 |
| 12 | 62.01 | 69.41 | 7.40 | 50.45 | -11.56 | 63.27 | 1.26 | 59.39 | -2.62 | 71.19 | 9.18 | 65.70 | 3.69 |
Graph of average precipitation for individual months and decades
Graph of average precipitation deviations for individual months and decades
Graph of cloudiness for individual years and months
Long-term cloudiness heatmap
Least and most cloudy months
Graph of annual cloudiness deviations
Table of average monthly cloudiness for individual decades
| Month | Average | 1901-1910 | 1911-1920 | 1921-1930 | 1931-1940 | 1941-1950 | |||||
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| 1 | 42.89 | 43.10 | 0.21 | 43.10 | 0.21 | 43.10 | 0.21 | 42.66 | -0.23 | 41.17 | -1.72 |
| 2 | 43.96 | 44.20 | 0.24 | 44.20 | 0.24 | 44.20 | 0.24 | 43.89 | -0.07 | 41.89 | -2.07 |
| 3 | 41.32 | 42.00 | 0.68 | 42.00 | 0.68 | 42.00 | 0.68 | 42.11 | 0.79 | 41.87 | 0.55 |
| 4 | 37.13 | 37.80 | 0.67 | 37.80 | 0.67 | 37.79 | 0.66 | 37.41 | 0.28 | 36.00 | -1.13 |
| 5 | 28.33 | 28.44 | 0.11 | 28.44 | 0.11 | 28.43 | 0.10 | 28.11 | -0.22 | 27.12 | -1.21 |
| 6 | 24.07 | 24.69 | 0.62 | 24.67 | 0.60 | 24.67 | 0.60 | 23.95 | -0.12 | 18.26 | -5.81 |
| 7 | 21.83 | 22.40 | 0.57 | 22.40 | 0.57 | 22.39 | 0.56 | 21.36 | -0.47 | 18.94 | -2.89 |
| 8 | 24.88 | 25.70 | 0.82 | 25.70 | 0.82 | 25.67 | 0.79 | 24.94 | 0.06 | 20.56 | -4.32 |
| 9 | 32.26 | 33.50 | 1.24 | 33.50 | 1.24 | 33.41 | 1.15 | 34.59 | 2.33 | 29.43 | -2.83 |
| 10 | 41.06 | 41.80 | 0.74 | 41.80 | 0.74 | 41.76 | 0.70 | 41.34 | 0.28 | 38.42 | -2.64 |
| 11 | 42.80 | 43.50 | 0.70 | 43.50 | 0.70 | 43.45 | 0.65 | 43.52 | 0.72 | 39.14 | -3.66 |
| 12 | 41.25 | 41.80 | 0.55 | 41.80 | 0.55 | 41.73 | 0.48 | 41.44 | 0.19 | 38.47 | -2.78 |
| Month | Average | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2000 | 2001-2010 | ||||||
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| 1 | 42.89 | 42.16 | -0.73 | 42.25 | -0.64 | 45.06 | 2.17 | 41.95 | -0.94 | 42.35 | -0.54 | 44.32 | 1.43 |
| 2 | 43.96 | 43.93 | -0.03 | 40.99 | -2.97 | 47.42 | 3.46 | 44.15 | 0.19 | 43.36 | -0.60 | 44.72 | 0.76 |
| 3 | 41.32 | 40.15 | -1.17 | 40.45 | -0.87 | 44.29 | 2.97 | 41.33 | 0.01 | 40.65 | -0.67 | 37.92 | -3.40 |
| 4 | 37.13 | 34.61 | -2.52 | 38.46 | 1.33 | 37.42 | 0.29 | 37.51 | 0.38 | 37.42 | 0.29 | 36.71 | -0.42 |
| 5 | 28.33 | 30.85 | 2.52 | 29.50 | 1.17 | 28.42 | 0.09 | 28.28 | -0.05 | 27.10 | -1.23 | 27.14 | -1.19 |
| 6 | 24.07 | 21.86 | -2.21 | 28.71 | 4.64 | 21.57 | -2.50 | 24.16 | 0.09 | 24.75 | 0.68 | 26.62 | 2.55 |
| 7 | 21.83 | 23.20 | 1.37 | 23.09 | 1.26 | 21.13 | -0.70 | 23.09 | 1.26 | 22.70 | 0.87 | 19.21 | -2.62 |
| 8 | 24.88 | 23.30 | -1.58 | 25.54 | 0.66 | 26.36 | 1.48 | 25.09 | 0.21 | 26.70 | 1.82 | 24.52 | -0.36 |
| 9 | 32.26 | 29.35 | -2.91 | 31.05 | -1.21 | 34.78 | 2.52 | 34.59 | 2.33 | 33.34 | 1.08 | 28.88 | -3.38 |
| 10 | 41.06 | 38.26 | -2.80 | 41.76 | 0.70 | 40.08 | -0.98 | 43.50 | 2.44 | 43.59 | 2.53 | 39.99 | -1.07 |
| 11 | 42.80 | 42.88 | 0.08 | 43.95 | 1.15 | 43.16 | 0.36 | 43.34 | 0.54 | 43.43 | 0.63 | 42.09 | -0.71 |
| 12 | 41.25 | 42.72 | 1.47 | 40.80 | -0.45 | 42.36 | 1.11 | 42.13 | 0.88 | 41.41 | 0.16 | 38.55 | -2.70 |
Graph of average cloudiness for individual months and decades
Graph of average cloudiness deviations for individual months and decades
Graph of PEV for individual years and months
Long-term daily evapotranspiration heatmap
Graph of annual PEV deviations
Table of average monthly daily potential evapotranspiration for individual decades
| Month | Average | 1901-1910 | 1911-1920 | 1921-1930 | 1931-1940 | 1941-1950 | |||||
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| 1 | 5.61 | 5.43 | -0.18 | 5.55 | -0.06 | 5.56 | -0.05 | 5.60 | -0.01 | 5.72 | 0.11 |
| 2 | 4.96 | 4.82 | -0.14 | 4.94 | -0.02 | 4.91 | -0.05 | 4.94 | -0.02 | 5.09 | 0.13 |
| 3 | 4.08 | 3.93 | -0.15 | 4.01 | -0.07 | 4.02 | -0.06 | 4.08 | -0.00 | 4.10 | 0.02 |
| 4 | 3.10 | 2.97 | -0.13 | 3.05 | -0.05 | 3.06 | -0.04 | 3.11 | 0.01 | 3.14 | 0.04 |
| 5 | 2.42 | 2.35 | -0.07 | 2.34 | -0.08 | 2.39 | -0.03 | 2.45 | 0.03 | 2.43 | 0.01 |
| 6 | 2.01 | 1.94 | -0.07 | 1.95 | -0.06 | 1.97 | -0.04 | 2.04 | 0.03 | 2.09 | 0.08 |
| 7 | 2.25 | 2.18 | -0.07 | 2.20 | -0.05 | 2.21 | -0.04 | 2.25 | 0.00 | 2.28 | 0.03 |
| 8 | 3.01 | 2.90 | -0.11 | 2.93 | -0.08 | 2.96 | -0.05 | 3.05 | 0.04 | 3.11 | 0.10 |
| 9 | 3.96 | 3.82 | -0.14 | 3.83 | -0.13 | 3.87 | -0.09 | 3.88 | -0.08 | 4.04 | 0.08 |
| 10 | 4.72 | 4.51 | -0.21 | 4.65 | -0.07 | 4.69 | -0.03 | 4.77 | 0.05 | 4.79 | 0.07 |
| 11 | 5.29 | 5.09 | -0.20 | 5.20 | -0.09 | 5.24 | -0.05 | 5.26 | -0.03 | 5.42 | 0.13 |
| 12 | 5.71 | 5.55 | -0.16 | 5.70 | -0.01 | 5.68 | -0.03 | 5.73 | 0.02 | 5.82 | 0.11 |
| Month | Average | 1951-1960 | 1961-1970 | 1971-1980 | 1981-1990 | 1991-2000 | 2001-2010 | ||||||
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| 1 | 5.61 | 5.63 | 0.02 | 5.71 | 0.10 | 5.46 | -0.15 | 5.76 | 0.15 | 5.64 | 0.03 | 5.63 | 0.02 |
| 2 | 4.96 | 4.91 | -0.05 | 5.09 | 0.13 | 4.79 | -0.17 | 5.00 | 0.04 | 5.03 | 0.07 | 5.08 | 0.12 |
| 3 | 4.08 | 4.10 | 0.02 | 4.14 | 0.06 | 3.97 | -0.11 | 4.13 | 0.05 | 4.09 | 0.01 | 4.28 | 0.20 |
| 4 | 3.10 | 3.15 | 0.05 | 3.03 | -0.07 | 3.10 | 0.00 | 3.14 | 0.04 | 3.14 | 0.04 | 3.18 | 0.08 |
| 5 | 2.42 | 2.37 | -0.05 | 2.42 | 0.00 | 2.42 | 0.00 | 2.49 | 0.07 | 2.43 | 0.01 | 2.50 | 0.08 |
| 6 | 2.01 | 2.06 | 0.05 | 1.92 | -0.09 | 2.04 | 0.03 | 2.04 | 0.03 | 2.05 | 0.04 | 2.06 | 0.05 |
| 7 | 2.25 | 2.24 | -0.01 | 2.24 | -0.01 | 2.30 | 0.05 | 2.27 | 0.02 | 2.23 | -0.02 | 2.32 | 0.07 |
| 8 | 3.01 | 3.04 | 0.03 | 2.98 | -0.03 | 2.98 | -0.03 | 3.08 | 0.07 | 3.03 | 0.02 | 3.08 | 0.07 |
| 9 | 3.96 | 4.00 | 0.04 | 4.06 | 0.10 | 3.91 | -0.05 | 3.94 | -0.02 | 4.01 | 0.05 | 4.11 | 0.15 |
| 10 | 4.72 | 4.79 | 0.07 | 4.67 | -0.05 | 4.75 | 0.03 | 4.65 | -0.07 | 4.69 | -0.03 | 4.91 | 0.19 |
| 11 | 5.29 | 5.36 | 0.07 | 5.26 | -0.03 | 5.28 | -0.01 | 5.35 | 0.06 | 5.26 | -0.03 | 5.43 | 0.14 |
| 12 | 5.71 | 5.60 | -0.11 | 5.78 | 0.07 | 5.66 | -0.05 | 5.70 | -0.01 | 5.70 | -0.01 | 5.86 | 0.15 |
Graph of average potential evapotranspiration for individual months and decades
Graph of average potential evapotranspiration deviations for individual months and decades
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Enjoy!! LEON ROSSOUW email : leonrossouw@me.com |
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This wiki might help to use the full potential of Groenkloof weather website. The info section explains the hard and software and connections used.(In the menu bar under the sub menus Weather station and Groenkloof Weather) Weather data updates every minute.(for both the mobile and desktop sites) There is a mobile page with current conditions, forecast, forecast map, station history (with drop down menu for today, yesterday, month, year etc. showing all parameters) and lastly a graph with drop down menu for time period and parameter. (Very useful for quick references ) One can switch to the desktop page using the link in bottom right hand corner and vice versa. The desktop version is where very detailed weather info is available. ( Useful for more in depth detail ) It is divided in “blocks” The sunrise/sunset times and day length is shown. Moon with dates of full moon, new moon etc. The current block shows weather values in easy to read numerical format and updates every minute. “Live gauges” updates every minute and when the curser is hovered over a parameter it will show the min and max values and the time when this occurred. In the forecast maps one can use the menu bar top left of block to choose from windy or dark sky maps. Within the map one can choose from different parameters like wind, temperature, rain, thunder, clouds, pressure etc. Then station data is shown with now, max, min values and drop down menu for different time periods. There is also a history block where one can choose different parameters and a trends block with 1,3,6,12,24 hrs etc trends. Next is a forecast meteogram which is dynamic and moving the cursor over it will show all weather parameters at that point. Then easy to read forecast with dropdown the default using the Norwegian institute of meteorology values.(seems to be most accurate) Next is rainfall for today, this month, this year (from January) Drop down gives more options like seasonal(from September) etc. Rain balance is the stations values measured against 100 year rain data for Pretoria obtained from SA weather services. Next is graph with several drop down options and a day pie graph where one can pick dates and parameters. In extremes one can pick a parameter like absolute temperature, precipitation etc. to see max/min value dates and times. There is a air quality block click within block for more info. Map to show location of station. Webcam with view from Herbert Baker Street updates every 5 minutes. For aviation enthusiasts Cloud height time to sunset and density altitude. Then SA weather warnings from SA weather services, lightning detection and fire danger index. Followed by calendar, earthquakes and astronomical events. World weather...shows current conditions in few world cities. Database: data is stored every 5 mins and available data runs from January 2014. The menu at the top is really self explanotory and here there are countless information, statistics etc. Enjoy!! Leon :leonrossouw@me.com
