GRANGEVILLE 11 SE, IDAHO

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(103780)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198901
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
1964 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 22.39 22.39
1965 25.55 27.14 23.70 d 35.17 38.32 45.33 49.94 51.61 39.63 37.42 32.62 a 25.43 a 35.99
1966 25.97 25.21 27.19 33.77 39.52 44.83 48.74 49.48 b 47.47 35.35 32.30 29.39 36.60
1967 29.77 29.00 29.71 32.33 39.61 48.60 51.81 50.48 46.67 37.65 32.13 24.41 b 37.68
1968 23.26 29.00 32.68 33.14 a 40.45 48.30 50.13 49.61 44.23 35.86 b 31.97 21.68 36.69
1969 19.00 22.93 27.16 37.23 42.48 48.53 48.58 47.03 44.17 33.81 29.08 e 27.03 35.59
1970 26.26 29.61 30.23 32.70 39.32 50.07 52.71 48.77 39.07 34.37 a 29.70 22.67 a 36.29
1971 25.00 27.68 29.03 a 33.23 41.35 46.73 49.39 51.39 38.33 32.53 a 30.28 a 23.71 35.72
1972 21.83 b 26.97 32.19 32.50 40.29 48.10 50.45 51.19 40.73 34.87 30.43 17.74 35.61
1973 21.42 26.21 ----- z 33.77 39.52 46.79 a 52.53 a 50.23 43.40 36.29 31.23 30.61 37.46
1974 20.84 29.85 b 31.19 36.17 39.42 48.73 50.87 49.39 41.10 34.52 32.33 27.06 36.79
1975 24.71 25.39 30.29 33.87 37.90 45.39 b 56.19 50.74 42.30 39.77 29.30 27.23 36.92
1976 26.58 26.38 28.55 34.27 39.35 44.00 51.13 49.42 44.90 34.71 30.20 23.42 36.08
1977 18.03 26.68 29.19 33.83 39.81 49.57 49.84 50.71 44.13 35.90 28.33 29.67 j 36.91
1978 ----- z 31.25 p 33.84 35.83 39.94 45.33 51.06 48.52 42.86 a 32.35 25.00 17.43 a 37.22
1979 9.26 25.29 29.00 34.07 40.13 44.17 48.94 48.74 41.47 37.90 25.70 28.61 34.44
1980 20.84 30.07 30.84 38.23 42.97 46.47 51.83 b 44.87 44.50 34.00 31.67 27.84 37.01
1981 26.77 a 26.68 31.48 37.70 43.65 46.73 49.16 49.80 a 42.86 b 34.84 31.70 28.16 37.46
1982 23.10 22.36 31.10 32.03 38.19 48.30 51.13 51.10 42.90 35.84 26.33 24.52 35.57
1983 27.74 30.25 34.61 33.80 40.94 46.37 ----- z ----- z ----- z ----- z ----- z 15.54 g 35.62
1984 21.41 i ----- z ----- z ----- z ----- z 46.53 o 49.29 47.07 d 39.90 32.00 30.00 17.87 36.02
1985 17.45 18.79 25.94 34.93 a 41.28 b 45.13 51.13 47.10 38.80 33.06 20.43 ----- z 34.00
1986 22.74 28.07 33.65 34.30 41.74 48.97 45.48 49.81 41.60 33.48 b 28.43 21.94 35.85
1987 17.29 ----- z ----- z 37.80 43.58 46.90 49.55 45.81 40.87 29.68 27.97 22.52 36.20
1988 18.16 25.52 29.68 35.33 40.74 49.40 49.26 45.87 41.07 37.52 30.57 20.42 35.29
1989 22.68 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 22.68
Period of Record Statistics
MEAN 22.36 26.62 30.06 34.61 40.46 47.08 50.40 49.08 42.30 34.94 29.47 24.19 36.21
S.D. 4.52 2.82 2.68 1.81 1.61 1.81 2.01 1.93 2.43 2.28 2.91 3.82 0.84
SKEW -0.91 -1.00 -0.41 0.62 0.50 -0.09 0.49 -0.67 0.28 -0.08 -1.46 -0.21 -0.06
MAX 29.77 30.25 34.61 38.23 43.65 50.07 56.19 51.61 47.47 39.77 32.62 30.61 37.68
MIN 9.26 18.79 23.70 32.03 37.90 44.00 45.48 44.87 38.33 29.68 20.43 17.43 34.44
NO YRS 23 21 21 23 23 23 23 23 23 23 23 22 17