WILSON CREEK, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(459327)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 198006
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1948 ----- z ----- z ----- z ----- z ----- z 99.00 96.00 d 92.00 a 95.00 a 75.00 a 58.00 45.00 99.00
1949 36.00 49.00 60.00 82.00 95.00 b 97.00 102.00 d 97.00 98.00 70.00 b 68.00 a 53.00 102.00
1950 43.00 51.00 60.00 72.00 84.00 94.00 101.00 b 100.00 b 102.00 a 72.00 a 55.00 a 50.00 102.00
1951 48.00 61.00 b 61.00 a 76.00 a 88.00 93.00 101.00 99.00 a 90.00 b 80.00 d 55.00 c 51.00 101.00
1952 42.00 51.00 68.00 a 87.00 a 89.00 91.00 b 103.00 a 100.00 95.00 d 85.00 a 60.00 47.00 103.00
1953 56.00 a 61.00 a 74.00 a 76.00 87.00 a 87.00 102.00 104.00 c 100.00 b 80.00 65.00 52.00 104.00
1954 54.00 a 59.00 62.00 77.00 b 93.00 88.00 a 98.00 b 96.00 a 87.00 75.00 a 62.00 a 49.00 98.00
1955 43.00 51.00 57.00 71.00 a 82.00 102.00 105.00 a 99.00 a 100.00 a 73.00 56.00 46.00 a 105.00
1956 45.00 48.00 a 64.00 85.00 95.00 87.00 104.00 a 103.00 a 91.00 80.00 54.00 b 55.00 104.00
1957 40.00 60.00 b 60.00 f 87.00 93.00 a 95.00 95.00 93.00 c 93.00 b 74.00 58.00 52.00 95.00
1958 52.00 62.00 63.00 74.00 97.00 b 101.00 103.00 102.00 a 96.00 84.00 61.00 53.00 103.00
1959 50.00 50.00 60.00 a 74.00 87.00 a 95.00 104.00 99.00 91.00 a 69.00 a 65.00 59.00 104.00
1960 47.00 50.00 a 74.00 a 78.00 83.00 94.00 a 110.00 102.00 93.00 84.00 a 60.00 a 45.00 110.00
1961 52.00 58.00 66.00 73.00 a 91.00 a 106.00 105.00 115.00 85.00 80.00 55.00 51.00 115.00
1962 52.00 55.00 a 67.00 83.00 79.00 b 98.00 104.00 99.00 b 98.00 78.00 60.00 a 50.00 104.00
1963 52.00 60.00 66.00 70.00 a 91.00 a 100.00 96.00 100.00 97.00 85.00 a 56.00 46.00 a 100.00
1964 44.00 51.00 73.00 a 68.00 88.00 90.00 a 104.00 97.00 a 85.00 84.00 57.00 42.00 104.00
1965 46.00 55.00 70.00 79.00 a 88.00 93.00 105.00 105.00 a 86.00 a 83.00 63.00 50.00 d 105.00
1966 45.00 d 59.00 72.00 76.00 a 98.00 93.00 97.00 106.00 99.00 77.00 62.00 49.00 106.00
1967 57.00 61.00 59.00 65.00 87.00 99.00 106.00 105.00 97.00 79.00 64.00 50.00 106.00
1968 56.00 64.00 65.00 83.00 89.00 a 95.00 a 106.00 98.00 a 91.00 77.00 55.00 a 54.00 106.00
1969 39.00 43.00 76.00 81.00 93.00 100.00 99.00 104.00 97.00 a 73.00 60.00 49.00 104.00
1970 46.00 56.00 63.00 70.00 89.00 102.00 101.00 104.00 88.00 87.00 64.00 48.00 104.00
1971 63.00 60.00 60.00 74.00 89.00 94.00 109.00 106.00 88.00 87.00 55.00 45.00 109.00
1972 52.00 63.00 72.00 78.00 94.00 97.00 99.00 105.00 92.00 83.00 55.00 60.00 105.00
1973 47.00 58.00 65.00 75.00 96.00 102.00 102.00 101.00 101.00 72.00 52.00 b 52.00 102.00
1974 55.00 54.00 65.00 71.00 79.00 101.00 101.00 100.00 95.00 80.00 55.00 52.00 101.00
1975 47.00 50.00 60.00 75.00 89.00 91.00 109.00 96.00 95.00 89.00 71.00 57.00 k 109.00
1976 51.00 54.00 63.00 80.00 86.00 98.00 99.00 98.00 97.00 86.00 63.00 50.00 99.00
1977 45.00 65.00 65.00 95.00 85.00 96.00 99.00 105.00 85.00 d 72.00 62.00 57.00 105.00
1978 43.00 52.00 72.00 75.00 81.00 98.00 100.00 105.00 88.00 b 77.00 60.00 47.00 105.00
1979 35.00 58.00 70.00 80.00 91.00 100.00 107.00 99.00 c 93.00 c 83.00 57.00 51.00 107.00
1980 44.00 53.00 61.00 84.00 87.00 86.00 ----- z ----- z ----- z ----- z ----- z ----- z 87.00
Period of Record Statistics
MEAN 47.72 55.69 65.58 77.31 88.84 95.82 102.25 101.06 93.38 79.16 59.47 50.32 104.85
S.D. 6.35 5.40 5.25 6.35 4.98 4.97 3.89 4.50 5.04 5.52 4.48 4.09 3.54
SKEW 0.14 -0.21 0.38 0.55 -0.16 -0.24 0.07 0.56 -0.18 -0.11 0.55 0.39 1.04
MAX 63.00 65.00 76.00 95.00 98.00 106.00 110.00 115.00 102.00 89.00 71.00 60.00 115.00
MIN 35.00 43.00 57.00 65.00 79.00 86.00 95.00 92.00 85.00 69.00 52.00 42.00 99.00
NO YRS 32 32 31 32 32 33 32 32 32 32 32 31 20