GREENWATER, WASHINGTON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(453357)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 198105
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
1939 27.00 j 16.00 23.00 28.00 31.00 31.00 39.00 40.00 34.00 30.00 29.00 22.00 16.00
1940 21.00 28.00 27.00 28.00 31.00 36.00 38.00 39.00 35.00 28.00 20.00 18.00 18.00
1941 22.00 24.00 28.00 30.00 d 29.00 37.00 40.00 40.00 33.00 31.00 24.00 16.00 16.00
1942 9.00 21.00 25.00 30.00 m 30.00 ----- z 44.00 a 41.00 31.00 ----- z ----- z 24.00 9.00
1943 -2.00 e 22.00 20.00 b 29.00 29.00 g 36.00 39.00 39.00 ----- z ----- z 24.00 v 22.00 -2.00
1944 16.00 21.00 14.00 27.00 29.00 35.00 38.00 35.00 31.00 31.00 21.00 11.00 11.00
1945 18.00 22.00 18.00 28.00 33.00 33.00 37.00 33.00 30.00 28.00 20.00 13.00 13.00
1946 18.00 22.00 26.00 28.00 33.00 41.00 44.00 40.00 30.00 26.00 23.00 17.00 17.00
1947 10.00 20.00 22.00 30.00 34.00 39.00 42.00 38.00 34.00 30.00 25.00 26.00 10.00
1948 17.00 11.00 23.00 26.00 28.00 39.00 39.00 43.00 30.00 26.00 23.00 7.00 7.00
1949 1.00 1.00 25.00 27.00 30.00 35.00 38.00 39.00 32.00 24.00 30.00 17.00 1.00
1950 -8.00 -5.00 27.00 28.00 31.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z -8.00
1951 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1952 ----- z ----- z ----- z ----- z 28.00 30.00 32.00 35.00 33.00 28.00 14.00 ----- z 14.00
1953 23.00 25.00 19.00 27.00 30.00 34.00 38.00 38.00 33.00 28.00 26.00 27.00 19.00
1954 4.00 21.00 17.00 28.00 25.00 32.00 36.00 38.00 29.00 26.00 22.00 20.00 4.00
1955 19.00 14.00 3.00 27.00 30.00 38.00 40.00 36.00 31.00 30.00 3.00 16.00 3.00
1956 2.00 3.00 8.00 27.00 31.00 35.00 37.00 40.00 32.00 30.00 21.00 13.00 2.00
1957 2.00 10.00 28.00 29.00 35.00 38.00 39.00 38.00 34.00 27.00 22.00 22.00 2.00
1958 24.00 28.00 24.00 30.00 28.00 41.00 41.00 43.00 34.00 28.00 16.00 28.00 16.00
1959 4.00 22.00 25.00 28.00 30.00 39.00 38.00 35.00 32.00 28.00 19.00 23.00 4.00
1960 11.00 15.00 19.00 28.00 30.00 35.00 37.00 37.00 31.00 28.00 20.00 22.00 11.00
1961 22.00 30.00 26.00 26.00 33.00 35.00 39.00 44.00 o 29.00 28.00 18.00 14.00 14.00
1962 0.00 7.00 20.00 28.00 29.00 33.00 36.00 39.00 35.00 30.00 24.00 18.00 0.00
1963 4.00 28.00 26.00 26.00 28.00 36.00 39.00 40.00 34.00 27.00 24.00 20.00 4.00
1964 24.00 20.00 22.00 26.00 28.00 36.00 41.00 40.00 33.00 29.00 25.00 1.00 1.00
1965 18.00 25.00 18.00 28.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 18.00
1966 ----- z ----- z ----- z ----- z 26.00 35.00 36.00 32.00 b 31.00 24.00 23.00 a 21.00 21.00
1967 23.00 d 18.00 19.00 24.00 29.00 33.00 36.00 32.00 29.00 28.00 21.00 7.00 7.00
1968 12.00 21.00 21.00 19.00 30.00 36.00 37.00 ----- z 31.00 d 29.00 21.00 -4.00 -4.00
1969 -3.00 10.00 17.00 25.00 26.00 40.00 ----- z 29.00 26.00 22.00 22.00 a 20.00 g -3.00
1970 5.00 22.00 a 20.00 c 23.00 27.00 d 35.00 36.00 31.00 22.00 21.00 15.00 a 7.00 b 5.00
1971 5.00 14.00 3.00 24.00 27.00 30.00 32.00 c 36.00 27.00 15.00 c 19.00 9.00 c 3.00
1972 -3.00 d 23.00 m 19.00 22.00 28.00 31.00 b 36.00 c 34.00 25.00 21.00 d 22.00 -6.00 g -6.00
1973 0.00 15.00 21.00 c 22.00 27.00 30.00 32.00 28.00 c 26.00 24.00 14.00 f 25.00 0.00
1974 -1.00 22.00 22.00 d 23.00 b 29.00 30.00 l 35.00 f 35.00 d 24.00 a 24.00 20.00 17.00 -1.00
1975 13.00 g 7.00 14.00 22.00 27.00 30.00 38.00 d 33.00 b 29.00 a 25.00 d 12.00 16.00 d 7.00
1976 16.00 16.00 6.00 22.00 b 26.00 26.00 c 30.00 e 38.00 31.00 22.00 f 14.00 b 19.00 6.00
1977 7.00 18.00 24.00 25.00 26.00 29.00 d 33.00 37.00 29.00 d 27.00 h 13.00 19.00 f 7.00
1978 22.00 25.00 19.00 24.00 d 29.00 h 34.00 36.00 b 36.00 30.00 23.00 10.00 c -8.00 -8.00
1979 2.00 18.00 e 22.00 27.00 d 29.00 30.00 33.00 33.00 32.00 27.00 g 20.00 d 23.00 2.00
1980 -6.00 c 19.00 c 23.00 25.00 27.00 32.00 35.00 29.00 32.00 21.00 f 19.00 6.00 -6.00
1981 25.00 d 17.00 j 22.00 25.00 28.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 17.00
Period of Record Statistics
MEAN 10.08 17.79 20.12 26.13 29.13 34.46 37.32 36.46 30.63 26.58 20.00 15.86 8.30
S.D. 10.04 7.86 6.22 2.61 2.35 3.60 3.19 3.81 3.07 3.48 5.30 8.52 6.42
SKEW -0.02 -0.94 -1.33 -0.67 0.56 -0.12 -0.15 -0.47 -0.91 -1.27 -0.95 -1.00 0.33
MAX 25.00 30.00 28.00 30.00 35.00 41.00 44.00 43.00 35.00 31.00 30.00 28.00 19.00
MIN -8.00 -5.00 3.00 19.00 25.00 26.00 30.00 28.00 22.00 15.00 3.00 -8.00 0.00
NO YRS 38 38 40 39 39 37 37 37 38 33 36 35 20