LA GRANDE, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(454360)

File last updated on Jul 25, 2006
*** 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 55.00 t 60.00 73.00 81.00 81.00 84.00 83.00 78.00 77.00 67.00 60.00 84.00
1955 53.00 53.00 60.00 72.00 76.00 96.00 84.00 88.00 94.00 68.00 63.00 56.00 96.00
1956 57.00 49.00 a 69.00 80.00 90.00 80.00 98.00 91.00 87.00 72.00 61.00 60.00 98.00
1957 50.00 57.00 63.00 81.00 81.00 78.00 83.00 83.00 89.00 72.00 63.00 a 58.00 89.00
1958 57.00 67.00 60.00 76.00 92.00 92.00 a 98.00 92.00 92.00 76.00 64.00 60.00 98.00
1959 60.00 58.00 62.00 75.00 82.00 86.00 96.00 92.00 80.00 70.00 61.00 58.00 96.00
1960 63.00 57.00 74.00 73.00 a 80.00 83.00 94.00 99.00 84.00 73.00 61.00 63.00 99.00
1961 63.00 61.00 63.00 68.00 86.00 90.00 98.00 95.00 83.00 80.00 a 62.00 53.00 98.00
1962 63.00 70.00 68.00 82.00 69.00 84.00 90.00 85.00 87.00 75.00 67.00 65.00 90.00
1963 56.00 69.00 70.00 67.00 92.00 ----- z 80.00 89.00 88.00 77.00 62.00 64.00 92.00
1964 54.00 60.00 ----- z 64.00 81.00 80.00 85.00 87.00 78.00 75.00 62.00 52.00 87.00
1965 55.00 63.00 68.00 78.00 77.00 86.00 96.00 93.00 80.00 77.00 66.00 64.00 96.00
1966 56.00 64.00 72.00 75.00 80.00 87.00 85.00 89.00 86.00 76.00 64.00 58.00 89.00
1967 53.00 57.00 57.00 63.00 84.00 90.00 89.00 97.00 93.00 73.00 60.00 54.00 97.00
1968 60.00 68.00 68.00 78.00 78.00 90.00 93.00 92.00 85.00 78.00 60.00 57.00 93.00
1969 56.00 54.00 73.00 71.00 87.00 91.00 87.00 85.00 86.00 74.00 62.00 61.00 91.00
1970 59.00 62.00 62.00 63.00 81.00 95.00 97.00 91.00 85.00 80.00 73.00 51.00 97.00
1971 60.00 59.00 59.00 77.00 90.00 84.00 95.00 95.00 80.00 77.00 55.00 53.00 95.00
1972 53.00 59.00 a 72.00 77.00 91.00 80.00 90.00 98.00 89.00 75.00 59.00 56.00 98.00
1973 59.00 62.00 65.00 77.00 87.00 a 89.00 92.00 89.00 a 91.00 70.00 62.00 60.00 92.00
1974 57.00 56.00 62.00 74.00 71.00 84.00 89.00 91.00 91.00 79.00 64.00 a 57.00 b 91.00
1975 57.00 b 61.00 61.00 68.00 82.00 89.00 90.00 84.00 86.00 85.00 75.00 56.00 90.00
1976 60.00 64.00 63.00 83.00 83.00 84.00 85.00 81.00 82.00 70.00 63.00 59.00 85.00
1977 60.00 65.00 62.00 79.00 70.00 86.00 88.00 102.00 79.00 70.00 60.00 56.00 102.00
1978 57.00 63.00 70.00 70.00 83.00 90.00 95.00 97.00 74.00 74.00 64.00 53.00 97.00
1979 53.00 57.00 71.00 f 77.00 83.00 86.00 97.00 86.00 92.00 77.00 61.00 60.00 97.00
1980 52.00 a 60.00 60.00 81.00 80.00 75.00 a 90.00 91.00 81.00 84.00 71.00 66.00 91.00
1981 65.00 64.00 67.00 77.00 78.00 84.00 89.00 101.00 92.00 71.00 68.00 59.00 101.00
1982 59.00 58.00 64.00 82.00 79.00 96.00 91.00 92.00 90.00 73.00 66.00 57.00 96.00
1983 64.00 63.00 63.00 76.00 j ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 76.00
Period of Record Statistics
MEAN 57.62 60.69 64.89 74.52 81.86 86.29 90.62 90.97 85.59 75.10 63.66 58.14 94.60
S.D. 3.88 4.85 4.75 5.79 6.08 5.34 5.15 5.53 5.32 4.12 4.24 3.94 4.24
SKEW 0.07 -0.14 0.39 -0.55 -0.21 0.01 -0.15 0.17 -0.27 0.51 0.89 0.16 -0.35
MAX 65.00 70.00 74.00 83.00 92.00 96.00 98.00 102.00 94.00 85.00 75.00 66.00 102.00
MIN 50.00 49.00 57.00 63.00 69.00 75.00 80.00 81.00 74.00 68.00 55.00 51.00 85.00
NO YRS 29 29 28 29 29 28 29 29 29 29 29 29 25