WILLAPA HARBOR, WASHINGTON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(459291)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 197912
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 45.00 a 45.00 46.00 36.00 31.00 27.00 23.00 23.00
1949 9.00 20.00 28.00 32.00 31.00 39.00 40.00 45.00 38.00 27.00 38.00 24.00 9.00
1950 7.00 9.00 28.00 30.00 34.00 40.00 45.00 44.00 35.00 d 33.00 28.00 33.00 7.00
1951 15.00 26.00 24.00 28.00 36.00 40.00 45.00 43.00 42.00 30.00 29.00 a 21.00 15.00
1952 22.00 27.00 28.00 28.00 32.00 39.00 41.00 43.00 39.00 38.00 22.00 b 28.00 22.00
1953 29.00 f 27.00 24.00 31.00 35.00 b 39.00 45.00 f 46.00 39.00 f 35.00 32.00 32.00 c 24.00
1954 23.00 b 28.00 24.00 28.00 27.00 40.00 41.00 45.00 38.00 31.00 29.00 27.00 23.00
1955 28.00 24.00 20.00 28.00 32.00 39.00 41.00 41.00 36.00 37.00 11.00 24.00 11.00
1956 21.00 a 18.00 25.00 30.00 38.00 41.00 43.00 46.00 40.00 32.00 27.00 21.00 18.00
1957 13.00 23.00 29.00 33.00 40.00 40.00 44.00 46.00 39.00 34.00 30.00 29.00 13.00
1958 32.00 29.00 28.00 33.00 33.00 46.00 47.00 48.00 37.00 34.00 23.00 32.00 23.00
1959 14.00 29.00 30.00 31.00 34.00 41.00 44.00 44.00 a 43.00 33.00 27.00 28.00 14.00
1960 25.00 22.00 22.00 31.00 33.00 42.00 42.00 46.00 40.00 34.00 28.00 29.00 22.00
1961 27.00 31.00 30.00 30.00 35.00 i 40.00 46.00 49.00 37.00 33.00 26.00 23.00 23.00
1962 12.00 17.00 24.00 32.00 34.00 35.00 41.00 47.00 44.00 34.00 31.00 25.00 12.00
1963 14.00 25.00 29.00 30.00 33.00 40.00 45.00 42.00 46.00 35.00 30.00 25.00 14.00
1964 31.00 26.00 28.00 29.00 23.00 42.00 46.00 45.00 43.00 32.00 29.00 13.00 13.00
1965 28.00 31.00 a 24.00 28.00 31.00 40.00 a ----- z ----- z ----- z 37.00 ----- z 24.00 h 24.00
1966 27.00 29.00 28.00 30.00 32.00 37.00 45.00 45.00 42.00 33.00 30.00 30.00 27.00
1967 28.00 27.00 28.00 30.00 36.00 41.00 46.00 47.00 42.00 34.00 31.00 22.00 22.00
1968 25.00 25.00 29.00 29.00 36.00 41.00 45.00 42.00 40.00 35.00 32.00 15.00 15.00
1969 18.00 27.00 27.00 32.00 35.00 47.00 45.00 43.00 37.00 30.00 27.00 29.00 18.00
1970 27.00 31.00 26.00 29.00 32.00 42.00 44.00 44.00 33.00 28.00 26.00 27.00 26.00
1971 23.00 23.00 24.00 30.00 37.00 39.00 40.00 44.00 36.00 26.00 28.00 25.00 23.00
1972 14.00 21.00 30.00 31.00 34.00 40.00 44.00 44.00 32.00 28.00 30.00 4.00 4.00
1973 17.00 26.00 32.00 31.00 35.00 37.00 43.00 40.00 39.00 35.00 27.00 31.00 17.00
1974 14.00 29.00 28.00 31.00 35.00 37.00 42.00 46.00 38.00 33.00 30.00 27.00 14.00
1975 25.00 27.00 27.00 28.00 34.00 41.00 46.00 44.00 40.00 34.00 26.00 26.00 e 25.00
1976 26.00 20.00 25.00 29.00 35.00 34.00 a 43.00 41.00 41.00 31.00 24.00 26.00 20.00
1977 19.00 28.00 28.00 30.00 33.00 42.00 42.00 48.00 40.00 33.00 17.00 27.00 17.00
1978 27.00 31.00 31.00 32.00 35.00 46.00 48.00 51.00 44.00 31.00 21.00 10.00 10.00
1979 15.00 19.00 30.00 34.00 38.00 d 40.00 38.00 49.00 a 45.00 34.00 30.00 28.00 15.00
Period of Record Statistics
MEAN 20.87 25.00 27.03 30.26 33.77 40.38 43.57 44.97 39.40 32.66 27.29 24.65 16.75
S.D. 6.89 4.96 2.80 1.65 3.22 2.87 2.36 2.54 3.43 2.82 4.88 6.51 5.94
SKEW -0.27 -1.20 -0.53 0.30 -1.21 0.31 -0.37 0.21 -0.10 -0.51 -1.24 -1.51 -0.11
MAX 32.00 31.00 32.00 34.00 40.00 47.00 48.00 51.00 46.00 38.00 38.00 33.00 27.00
MIN 7.00 9.00 20.00 28.00 23.00 34.00 38.00 40.00 32.00 26.00 11.00 4.00 4.00
NO YRS 30 31 31 31 30 32 30 31 30 32 31 31 28