LA GRANDE, WASHINGTON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(454360)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198304
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
1954 ----- z 32.00 t 24.00 31.00 32.00 33.00 35.00 40.00 31.00 33.00 26.00 27.00 24.00
1955 26.00 23.00 14.00 30.00 a 34.00 41.00 42.00 45.00 42.00 33.00 7.00 21.00 7.00
1956 16.00 10.00 22.00 31.00 38.00 40.00 44.00 45.00 42.00 33.00 25.00 22.00 a 10.00
1957 10.00 17.00 31.00 a 34.00 43.00 44.00 46.00 46.00 42.00 38.00 29.00 25.00 10.00
1958 30.00 32.00 31.00 34.00 37.00 49.00 a 49.00 50.00 41.00 34.00 19.00 27.00 19.00
1959 10.00 29.00 30.00 31.00 35.00 44.00 45.00 44.00 44.00 35.00 24.00 26.00 10.00
1960 23.00 21.00 25.00 32.00 a 36.00 41.00 42.00 44.00 41.00 35.00 30.00 26.00 21.00
1961 23.00 30.00 29.00 31.00 37.00 44.00 46.00 50.00 39.00 35.00 a 25.00 21.00 21.00
1962 10.00 17.00 24.00 34.00 35.00 40.00 40.00 40.00 44.00 39.00 30.00 24.00 10.00
1963 13.00 32.00 30.00 28.00 34.00 ----- z 47.00 48.00 45.00 35.00 29.00 26.00 13.00
1964 28.00 27.00 ----- z 31.00 32.00 43.00 46.00 44.00 42.00 33.00 27.00 5.00 5.00
1965 28.00 29.00 27.00 31.00 32.00 40.00 44.00 43.00 34.00 38.00 31.00 21.00 21.00
1966 27.00 28.00 28.00 32.00 35.00 41.00 48.00 45.00 45.00 36.00 32.00 30.00 27.00
1967 29.00 30.00 28.00 31.00 38.00 47.00 47.00 45.00 a 44.00 38.00 31.00 22.00 22.00
1968 18.00 26.00 30.00 32.00 35.00 43.00 47.00 46.00 41.00 33.00 32.00 6.00 6.00
1969 13.00 23.00 27.00 33.00 35.00 46.00 42.00 45.00 41.00 30.00 30.00 30.00 13.00
1970 25.00 29.00 29.00 31.00 34.00 42.00 44.00 45.00 36.00 28.00 18.00 25.00 18.00
1971 20.00 22.00 18.00 33.00 35.00 38.00 43.00 49.00 41.00 28.00 29.00 24.00 18.00
1972 7.00 17.00 a 29.00 29.00 36.00 44.00 47.00 47.00 34.00 33.00 32.00 8.00 7.00
1973 14.00 24.00 32.00 31.00 36.00 a 38.00 45.00 42.00 a 43.00 a 38.00 26.00 29.00 14.00
1974 14.00 30.00 26.00 33.00 35.00 42.00 45.00 45.00 43.00 38.00 31.00 a 27.00 x 14.00
1975 24.00 b 27.00 26.00 30.00 36.00 41.00 45.00 45.00 44.00 34.00 22.00 26.00 22.00
1976 27.00 21.00 22.00 30.00 38.00 36.00 45.00 46.00 43.00 34.00 26.00 25.00 21.00
1977 20.00 29.00 31.00 31.00 37.00 40.00 45.00 44.00 40.00 36.00 12.00 23.00 12.00
1978 18.00 26.00 28.00 31.00 36.00 45.00 46.00 47.00 38.00 31.00 21.00 4.00 4.00
1979 6.00 18.00 28.00 30.00 38.00 42.00 45.00 a 48.00 46.00 36.00 28.00 30.00 6.00
1980 12.00 a 26.00 31.00 33.00 a 37.00 41.00 a 47.00 44.00 43.00 35.00 26.00 20.00 12.00
1981 29.00 24.00 30.00 32.00 37.00 41.00 45.00 49.00 42.00 34.00 28.00 27.00 24.00
1982 12.00 24.00 31.00 29.00 32.00 41.00 44.00 46.00 42.00 31.00 23.00 22.00 12.00
1983 29.00 28.00 35.00 33.00 j ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 28.00
Period of Record Statistics
MEAN 19.34 24.79 27.45 31.34 35.69 41.68 44.69 45.41 41.14 34.28 25.83 22.21 14.68
S.D. 7.65 5.29 4.39 1.52 2.32 3.26 2.71 2.50 3.54 2.88 5.95 7.42 6.59
SKEW -0.13 -0.87 -1.24 0.02 0.68 -0.26 -1.62 -0.13 -1.30 -0.42 -1.53 -1.47 0.11
MAX 30.00 32.00 35.00 34.00 43.00 49.00 49.00 50.00 46.00 39.00 32.00 30.00 27.00
MIN 6.00 10.00 14.00 28.00 32.00 33.00 35.00 40.00 31.00 28.00 7.00 4.00 4.00
NO YRS 29 29 29 29 29 28 29 29 29 29 29 28 25