Station:(427318) RIVERDALE | |||||||||||||||
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From Year=1928 To Year=1991 | |||||||||||||||
Monthly Averages | Daily Extremes | Monthly Extremes | Max. Temp. | Min. Temp. | |||||||||||
Max. | Min. | Mean | High | Date | Low | Date | Highest Mean |
Year | Lowest Mean |
Year | >= 90 F |
<= 32 F |
<= 32 F |
<= 0 F |
|
F | F | F | F | dd/yyyy or yyyymmdd |
F | dd/yyyy or yyyymmdd |
F | - | F | - | # Days | # Days | # Days | # Days | |
January | 35.8 | 17.7 | 26.8 | 60 | 31/1971 | -23 | 21/1937 | 38.6 | 1953 | 12.9 | 1937 | 0.0 | 10.6 | 28.7 | 1.9 |
February | 41.7 | 22.6 | 32.1 | 68 | 26/1986 | -25 | 07/1933 | 40.9 | 1958 | 15.7 | 1933 | 0.0 | 4.3 | 24.2 | 0.8 |
March | 50.8 | 29.4 | 40.1 | 77 | 29/1986 | 4 | 06/1945 | 48.1 | 1934 | 32.1 | 1964 | 0.0 | 0.7 | 20.2 | 0.0 |
April | 61.4 | 36.9 | 49.2 | 84 | 21/1930 | 5 | 02/1936 | 55.4 | 1930 | 42.1 | 1975 | 0.0 | 0.0 | 8.9 | 0.0 |
May | 71.2 | 44.1 | 57.6 | 92 | 20/1954 | 18 | 06/1968 | 64.6 | 1958 | 51.2 | 1942 | 0.2 | 0.0 | 2.1 | 0.0 |
June | 81.1 | 51.6 | 66.4 | 104 | 30/1930 | 28 | 02/1929 | 73.2 | 1961 | 60.0 | 1945 | 5.5 | 0.0 | 0.0 | 0.0 |
July | 90.4 | 59.4 | 74.9 | 104 | 06/1930 | 40 | 13/1943 | 79.5 | 1960 | 70.9 | 1987 | 19.0 | 0.0 | 0.0 | 0.0 |
August | 88.0 | 57.8 | 72.9 | 102 | 20/1960 | 34 | 30/1932 | 77.3 | 1969 | 68.9 | 1976 | 13.7 | 0.0 | 0.0 | 0.0 |
September | 77.8 | 48.6 | 63.2 | 97 | 03/1950 | 28 | 25/1970 | 69.8 | 1990 | 57.2 | 1929 | 2.1 | 0.0 | 0.5 | 0.0 |
October | 65.1 | 39.1 | 52.1 | 85 | 03/1963 | 12 | 28/1980 | 59.0 | 1988 | 46.0 | 1930 | 0.0 | 0.0 | 5.5 | 0.0 |
November | 48.9 | 28.3 | 38.6 | 74 | 01/1988 | -10 | 16/1955 | 45.2 | 1965 | 30.9 | 1930 | 0.0 | 1.4 | 20.8 | 0.0 |
December | 38.3 | 20.8 | 29.6 | 65 | 08/1939 | -18 | 30/1990 | 36.2 | 1958 | 17.5 | 1930 | 0.0 | 7.2 | 28.2 | 0.9 |
Annual | 62.5 | 38.0 | 50.3 | 104 | 19300630 | -25 | 19330207 | 53.1 | 1958 | 46.3 | 1932 | 40.6 | 24.2 | 139.1 | 3.6 |
Winter | 38.6 | 20.4 | 29.5 | 68 | 19860226 | -25 | 19330207 | 36.6 | 1934 | 19.0 | 1933 | 0.0 | 22.2 | 81.1 | 3.6 |
Spring | 61.1 | 36.8 | 49.0 | 92 | 19540520 | 4 | 19450306 | 55.5 | 1934 | 44.2 | 1933 | 0.2 | 0.7 | 31.2 | 0.0 |
Summer | 86.5 | 56.3 | 71.4 | 104 | 19300630 | 28 | 19290602 | 75.1 | 1961 | 68.4 | 1928 | 38.2 | 0.0 | 0.0 | 0.0 |
Fall | 64.0 | 38.7 | 51.3 | 97 | 19500903 | -10 | 19551116 | 55.0 | 1962 | 46.0 | 1930 | 2.1 | 1.4 | 26.8 | 0.0 |
Winter = Dec., Jan., and Feb. | Spring = Mar., Apr., and May | |
Summer = Jun., Jul., and Aug. | Fall = Sep., Oct., and Nov. |