Station:(420086) ALTON | ||||||||||||||
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From Year=1928 To Year=2006 | ||||||||||||||
Precipitation | Total Snowfall | |||||||||||||
Mean | High | Year | Low | Year | 1 Day Max. | >= 0.01 in. |
>= 0.10 in. |
>= 0.50 in. |
>= 1.00 in. |
Mean | High | Year | ||
in. | in. | - | in. | - | in. | dd/yyyy or yyyymmdd |
# Days | # Days | # Days | # Days | in. | in. | - | |
January | 1.79 | 9.15 | 1969 | 0.00 | 1948 | 2.28 | 25/1969 | 6 | 4 | 1 | 0 | 21.1 | 80.6 | 1993 |
February | 1.79 | 7.95 | 1932 | 0.00 | 1961 | 1.96 | 09/1976 | 6 | 4 | 1 | 0 | 19.2 | 75.0 | 1969 |
March | 1.57 | 6.17 | 1938 | 0.00 | 1955 | 3.55 | 03/1938 | 6 | 4 | 1 | 0 | 14.5 | 56.7 | 1991 |
April | 1.05 | 3.90 | 1988 | 0.00 | 1962 | 2.00 | 27/1952 | 5 | 3 | 0 | 0 | 4.5 | 23.0 | 1965 |
May | 0.85 | 2.96 | 1992 | 0.02 | 1972 | 1.85 | 28/1934 | 4 | 2 | 0 | 0 | 0.6 | 8.0 | 1965 |
June | 0.57 | 2.67 | 1952 | 0.00 | 1939 | 1.72 | 26/1952 | 3 | 2 | 0 | 0 | 0.2 | 6.5 | 1993 |
July | 1.40 | 3.78 | 1968 | 0.00 | 1944 | 1.85 | 13/1946 | 7 | 4 | 1 | 0 | 0.0 | 0.0 | 1928 |
August | 1.76 | 4.81 | 1963 | 0.00 | 1944 | 2.05 | 29/1951 | 8 | 5 | 1 | 0 | 0.0 | 0.0 | 1928 |
September | 1.49 | 7.97 | 1939 | 0.00 | 1953 | 2.40 | 19/1972 | 5 | 3 | 1 | 0 | 0.0 | 0.0 | 1928 |
October | 1.40 | 7.48 | 2004 | 0.00 | 1944 | 2.90 | 21/2004 | 5 | 3 | 1 | 0 | 1.3 | 18.5 | 2004 |
November | 1.23 | 5.72 | 1978 | 0.00 | 1929 | 3.32 | 02/1987 | 4 | 3 | 1 | 0 | 6.6 | 41.7 | 1982 |
December | 1.52 | 6.24 | 1966 | 0.00 | 1930 | 3.35 | 31/1951 | 5 | 4 | 1 | 0 | 15.4 | 58.0 | 1936 |
Annual | 16.40 | 25.82 | 1969 | 5.48 | 1956 | 3.55 | 19380303 | 65 | 41 | 9 | 2 | 83.3 | 177.8 | 1993 |
Winter | 5.10 | 17.65 | 1969 | 1.00 | 1981 | 3.35 | 19511231 | 17 | 12 | 3 | 1 | 55.7 | 178.8 | 1993 |
Spring | 3.46 | 8.28 | 1938 | 0.55 | 1955 | 3.55 | 19380303 | 16 | 10 | 2 | 0 | 19.6 | 60.5 | 1952 |
Summer | 3.72 | 7.04 | 1999 | 0.78 | 1962 | 2.05 | 19510829 | 18 | 10 | 2 | 0 | 0.2 | 6.5 | 1993 |
Fall | 4.12 | 11.35 | 2004 | 0.36 | 1956 | 3.32 | 19871102 | 14 | 9 | 3 | 1 | 7.8 | 41.7 | 1982 |
Winter = Dec., Jan., and Feb. | Spring = Mar., Apr., and May | |
Summer = Jun., Jul., and Aug. | Fall = Sep., Oct., and Nov. |