WALLA WALLA WSO, ta

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(458931)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198712
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
1916 ----- z ----- z ----- z ----- z ----- z 40.00 47.00 42.00 36.00 28.00 10.00 n ----- z 10.00
1917 ----- z ----- z 28.00 n 32.00 38.00 42.00 45.00 48.00 43.00 23.00 ----- z ----- z 23.00
1918 ----- z ----- z ----- z 23.00 32.00 40.00 46.00 44.00 42.00 33.00 ----- z ----- z 23.00
1919 ----- z ----- z 31.00 30.00 31.00 39.00 48.00 49.00 35.00 23.00 ----- z ----- z 23.00
1920 ----- z ----- z 26.00 31.00 37.00 41.00 47.00 45.00 43.00 28.00 ----- z ----- z 26.00
1921 ----- z ----- z 27.00 29.00 34.00 47.00 45.00 47.00 32.00 31.00 ----- z ----- z 27.00
1922 ----- z ----- z 21.00 31.00 26.00 48.00 54.00 48.00 42.00 29.00 ----- z ----- z 21.00
1923 ----- z ----- z 24.00 34.00 34.00 44.00 47.00 52.00 39.00 28.00 ----- z ----- z 24.00
1924 ----- z ----- z 20.00 24.00 35.00 44.00 47.00 42.00 37.00 33.00 ----- z ----- z 20.00
1925 ----- z ----- z 27.00 21.00 35.00 39.00 52.00 45.00 38.00 31.00 ----- z ----- z 21.00
1926 ----- z ----- z 27.00 30.00 34.00 43.00 49.00 49.00 22.00 30.00 ----- z ----- z 22.00
1927 ----- z ----- z 28.00 18.00 31.00 48.00 47.00 46.00 39.00 32.00 ----- z ----- z 18.00
1928 ----- z ----- z 25.00 27.00 35.00 42.00 ----- z 47.00 41.00 27.00 ----- z ----- z 25.00
1929 ----- z ----- z 30.00 27.00 38.00 39.00 47.00 44.00 36.00 29.00 ----- z ----- z 27.00
1930 ----- z ----- z 25.00 36.00 36.00 40.00 47.00 48.00 42.00 29.00 ----- z ----- z 25.00
1931 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1932 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1933 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1934 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1935 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1936 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1937 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1938 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1939 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1940 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1942 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1943 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1945 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1948 ----- z ----- z ----- z ----- z ----- z 47.00 ----- z 52.00 39.00 29.00 25.00 8.00 8.00
1949 -3.00 13.00 26.00 35.00 39.00 44.00 54.00 51.00 43.00 26.00 34.00 19.00 -3.00
1950 -16.00 -14.00 21.00 33.00 38.00 46.00 54.00 55.00 37.00 33.00 27.00 24.00 -16.00
1951 4.00 16.00 26.00 30.00 41.00 42.00 52.00 50.00 41.00 29.00 22.00 9.00 4.00
1952 9.00 21.00 28.00 34.00 40.00 42.00 48.00 51.00 44.00 37.00 17.00 22.00 9.00
1953 29.00 29.00 28.00 31.00 41.00 48.00 54.00 55.00 44.00 35.00 30.00 28.00 28.00
1954 -6.00 26.00 22.00 34.00 28.00 45.00 48.00 50.00 35.00 33.00 27.00 18.00 -6.00
1955 20.00 20.00 13.00 33.00 38.00 46.00 47.00 52.00 40.00 35.00 1.00 11.00 1.00
1956 -4.00 -8.00 22.00 31.00 40.00 45.00 54.00 52.00 43.00 34.00 23.00 9.00 -8.00
1957 -16.00 13.00 30.00 37.00 47.00 48.00 53.00 52.00 38.00 34.00 25.00 25.00 -16.00
1958 23.00 32.00 28.00 38.00 41.00 52.00 52.00 57.00 42.00 30.00 16.00 24.00 16.00
1959 -2.00 25.00 31.00 32.00 38.00 48.00 51.00 52.00 43.00 34.00 5.00 20.00 -2.00
1960 8.00 15.00 17.00 36.00 38.00 46.00 53.00 49.00 43.00 35.00 26.00 20.00 8.00
1961 19.00 35.00 31.00 33.00 39.00 49.00 55.00 58.00 42.00 29.00 19.00 6.00 6.00
1962 1.00 13.00 25.00 38.00 37.00 43.00 48.00 50.00 41.00 38.00 28.00 20.00 1.00
1963 0.00 19.00 31.00 35.00 42.00 47.00 52.00 54.00 45.00 34.00 22.00 17.00 0.00
1964 22.00 26.00 21.00 32.00 38.00 46.00 53.00 48.00 45.00 35.00 26.00 -6.00 -6.00
1965 23.00 27.00 18.00 35.00 36.00 47.00 53.00 46.00 34.00 40.00 29.00 19.00 18.00
1966 24.00 27.00 25.00 27.00 42.00 41.00 51.00 50.00 47.00 35.00 28.00 26.00 24.00
1967 32.00 29.00 28.00 33.00 39.00 49.00 56.00 54.00 46.00 37.00 21.00 13.00 13.00
1968 14.00 22.00 33.00 30.00 38.00 48.00 54.00 53.00 45.00 36.00 32.00 -13.00 -13.00
1969 0.00 19.00 27.00 37.00 40.00 51.00 53.00 48.00 43.00 28.00 27.00 24.00 0.00
1970 17.00 29.00 28.00 32.00 40.00 49.00 55.00 55.00 37.00 31.00 12.00 19.00 12.00
1971 16.00 24.00 21.00 33.00 39.00 46.00 46.00 54.00 36.00 22.00 23.00 12.00 12.00
1972 1.00 0.00 32.00 29.00 38.00 50.00 52.00 51.00 39.00 28.00 28.00 -4.00 -4.00
1973 0.00 25.00 33.00 30.00 38.00 46.00 50.00 51.00 43.00 32.00 27.00 22.00 0.00
1974 -4.00 28.00 29.00 37.00 39.00 46.00 52.00 55.00 44.00 34.00 30.00 26.00 -4.00
1975 14.00 16.00 23.00 29.00 39.00 48.00 56.00 50.00 44.00 32.00 22.00 25.00 14.00
1976 22.00 14.00 18.00 32.00 42.00 42.00 51.00 49.00 43.00 31.00 22.00 19.00 14.00
1977 3.00 28.00 33.00 35.00 40.00 46.00 50.00 48.00 42.00 35.00 11.00 12.00 3.00
1978 4.00 26.00 25.00 36.00 39.00 50.00 55.00 52.00 44.00 30.00 15.00 -4.00 -4.00
1979 -10.00 -4.00 30.00 34.00 43.00 46.00 50.00 58.00 50.00 37.00 19.00 24.00 -10.00
1980 4.00 18.00 26.00 33.00 42.00 46.00 54.00 47.00 44.00 32.00 30.00 13.00 4.00
1981 28.00 14.00 29.00 33.00 41.00 47.00 47.00 53.00 43.00 33.00 28.00 20.00 14.00
1982 4.00 16.00 30.00 30.00 39.00 48.00 51.00 55.00 40.00 30.00 21.00 24.00 4.00
1983 23.00 25.00 31.00 32.00 41.00 50.00 51.00 57.00 35.00 36.00 22.00 -10.00 -10.00
1984 13.00 28.00 32.00 36.00 40.00 41.00 51.00 55.00 38.00 27.00 25.00 1.00 1.00
1985 16.00 5.00 30.00 36.00 38.00 46.00 57.00 49.00 34.00 28.00 -5.00 1.00 -5.00
1986 22.00 20.00 32.00 34.00 39.00 49.00 49.00 59.00 44.00 36.00 19.00 23.00 19.00
1987 11.00 25.00 25.00 35.00 40.00 45.00 51.00 52.00 44.00 35.00 25.00 16.00 11.00
Period of Record Statistics
MEAN 9.36 19.03 26.45 31.94 37.98 45.40 50.77 50.64 40.56 31.62 22.10 14.55 3.31
S.D. 12.57 10.92 4.61 4.14 3.71 3.35 3.20 4.02 4.54 3.90 8.19 10.81 10.74
SKEW -0.14 -1.31 -0.73 -1.19 -0.98 -0.32 -0.07 -0.04 -1.31 -0.33 -1.49 -1.01 0.23
MAX 32.00 35.00 33.00 38.00 47.00 52.00 57.00 59.00 50.00 40.00 34.00 28.00 28.00
MIN -16.00 -14.00 13.00 18.00 26.00 39.00 45.00 42.00 22.00 22.00 -5.00 -13.00 -16.00
NO YRS 39 39 51 53 53 55 53 55 55 55 40 40 39