MT SPOKANE SUMMIT, s

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(455674)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197212
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
1953 ----- z ----- z ----- z ----- z ----- z ----- z 79.00 79.00 77.00 68.00 51.00 41.00 79.00
1954 32.00 46.00 q 39.00 49.00 70.00 64.00 75.00 73.00 67.00 59.00 50.00 48.00 75.00
1955 31.00 a 31.00 c 34.00 44.00 l 55.00 75.00 76.00 76.00 78.00 a 59.00 b 34.00 o 35.00 g 78.00
1956 35.00 f 34.00 k 50.00 a 61.00 a 77.00 70.00 88.00 f 80.00 b 74.00 d 65.00 e 53.00 54.00 h 88.00
1957 37.00 b 43.00 b 44.00 a 72.00 71.00 g 79.00 89.00 80.00 e 72.00 a 63.00 47.00 b 38.00 b 89.00
1958 45.00 b 41.00 j 29.00 t 54.00 f 71.00 83.00 e 77.00 c 82.00 77.00 b 62.00 b 45.00 i 42.00 d 83.00
1959 38.00 e 33.00 b 35.00 56.00 a 62.00 74.00 81.00 g 79.00 71.00 c 58.00 46.00 a 37.00 a 81.00
1960 33.00 33.00 54.00 56.00 62.00 69.00 b 85.00 79.00 73.00 a 65.00 50.00 a 40.00 85.00
1961 47.00 37.00 a 44.00 48.00 65.00 81.00 a 81.00 89.00 b 69.00 61.00 43.00 34.00 89.00
1962 35.00 45.00 44.00 57.00 n 54.00 71.00 a 78.00 74.00 68.00 a 62.00 59.00 a 41.00 a 78.00
1963 32.00 46.00 a 45.00 55.00 65.00 75.00 73.00 78.00 75.00 65.00 42.00 39.00 78.00
1964 34.00 32.00 50.00 a 47.00 67.00 e 68.00 81.00 70.00 j 65.00 i 67.00 i 40.00 m 36.00 i 81.00
1965 51.00 b 40.00 45.00 54.00 65.00 73.00 76.00 ----- z ----- z 64.00 j 50.00 ----- z 76.00
1966 ----- z 38.00 54.00 51.00 69.00 65.00 b 73.00 b 83.00 b 74.00 e 58.00 44.00 44.00 83.00
1967 33.00 g 40.00 34.00 j 43.00 b 60.00 70.00 d 82.00 i 84.00 d 81.00 d 59.00 47.00 a 35.00 84.00
1968 38.00 a 50.00 50.00 58.00 58.00 69.00 81.00 78.00 70.00 58.00 34.00 32.00 h 81.00
1969 32.00 a 32.00 48.00 56.00 67.00 73.00 73.00 80.00 73.00 52.00 48.00 46.00 a 80.00
1970 30.00 42.00 34.00 38.00 62.00 83.00 79.00 80.00 70.00 66.00 46.00 32.00 83.00
1971 40.00 40.00 32.00 48.00 64.00 70.00 80.00 80.00 63.00 64.00 40.00 28.00 80.00
1972 30.00 36.00 48.00 50.00 70.00 70.00 74.00 a 81.00 68.00 58.00 36.00 34.00 81.00
Period of Record Statistics
MEAN 36.56 38.62 44.12 52.62 64.61 72.74 78.24 79.72 72.22 61.22 46.24 38.60 82.29
S.D. 6.36 5.66 7.03 7.83 5.81 5.53 4.41 3.61 4.48 3.95 6.15 5.42 3.73
SKEW 0.99 0.33 -0.39 0.53 0.02 0.53 0.80 0.48 -0.01 -0.34 -0.17 -0.12 0.76
MAX 51.00 50.00 54.00 72.00 77.00 83.00 89.00 89.00 81.00 68.00 59.00 48.00 89.00
MIN 30.00 31.00 32.00 38.00 54.00 64.00 73.00 73.00 63.00 52.00 34.00 28.00 78.00
NO YRS 16 16 17 16 18 19 17 18 18 18 17 15 7