GRANGEVILLE 11 SE, IDAHO

Monthly Average 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 28.90 28.90
1965 31.87 36.29 37.11 d 47.65 51.55 59.73 67.97 66.50 53.45 52.81 40.98 a 32.55 a 48.20
1966 33.27 33.77 39.82 47.63 56.35 59.27 67.69 68.28 b 63.48 48.02 40.37 34.56 49.38
1967 35.81 38.04 39.18 43.62 54.03 62.65 70.66 72.32 65.63 49.37 40.28 30.50 c 50.17
1968 30.53 39.60 44.69 45.10 a 53.31 61.20 68.95 65.05 57.95 47.95 c 39.20 28.50 48.50
1969 26.47 32.14 39.68 49.97 57.42 63.20 67.08 67.48 60.52 44.79 38.76 e 32.39 48.32
1970 32.05 39.70 39.74 43.30 53.74 64.12 69.45 69.73 53.78 46.58 a 36.90 29.43 a 48.21
1971 30.98 35.57 38.90 a 46.10 55.63 59.28 67.81 71.42 54.23 45.45 b 36.79 a 29.69 47.66
1972 29.14 b 35.62 44.26 43.55 55.39 61.98 67.15 68.90 55.95 48.73 38.32 25.58 47.88
1973 29.23 36.59 a ----- z 46.80 55.66 61.66 a 71.13 a 68.66 59.25 48.94 37.27 36.27 50.13
1974 28.67 a 39.02 c 41.31 47.43 51.37 65.27 67.40 67.31 61.45 51.26 40.95 33.48 49.58
1975 30.42 33.66 39.55 42.92 51.53 58.18 b 71.16 64.79 59.55 49.11 37.60 33.10 47.63
1976 32.94 36.07 39.27 46.90 55.81 57.28 66.76 65.11 61.50 48.89 39.70 30.13 48.36
1977 26.42 38.98 38.74 51.43 51.42 65.03 66.84 68.76 57.35 48.02 35.55 35.60 j 49.87
1978 ----- z 38.92 p 46.05 47.38 51.39 61.07 67.19 64.82 56.91 a 49.03 33.12 24.10 a 50.11
1979 18.37 33.61 41.56 46.25 54.81 62.08 68.29 67.52 61.58 51.23 34.40 35.03 47.89
1980 28.26 37.90 39.71 51.92 55.00 58.97 66.81 b 63.37 60.20 49.44 39.65 34.45 48.81
1981 34.78 a 36.91 43.89 49.78 53.58 59.08 66.45 70.35 a 60.48 b 46.50 40.30 34.32 49.70
1982 29.69 30.86 41.26 44.80 52.13 62.88 66.16 68.27 a 57.62 a 47.55 35.15 30.26 47.22
1983 35.06 40.57 45.10 46.43 55.55 61.07 ----- z ----- z ----- z ----- z ----- z 22.06 g 47.30
1984 28.23 i ----- z ----- z ----- z ----- z 63.03 o 67.89 66.93 d 55.70 44.24 37.52 24.44 49.45
1985 24.92 28.79 37.73 49.22 a 55.55 b 62.00 71.94 63.60 52.25 45.06 28.03 ----- z 47.19
1986 29.82 35.41 45.50 46.30 54.74 65.95 63.00 70.34 54.45 48.26 b 35.80 28.58 48.18
1987 25.58 ----- z ----- z 52.88 58.06 63.08 65.69 64.58 61.37 50.10 37.83 30.44 50.96
1988 26.37 37.12 41.19 49.82 53.32 62.40 66.32 66.21 58.35 53.74 38.35 26.60 48.32
1989 29.08 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 29.08
Period of Record Statistics
MEAN 29.55 36.01 41.15 47.27 54.23 61.63 67.82 67.40 58.39 48.48 37.51 30.60 48.47
S.D. 3.89 3.05 2.70 2.79 1.99 2.31 2.03 2.48 3.47 2.42 2.98 3.47 0.81
SKEW -0.77 -0.63 0.50 0.29 -0.02 0.01 0.19 0.16 0.04 0.21 -1.44 -0.27 0.71
MAX 35.81 40.57 46.05 52.88 58.06 65.95 71.94 72.32 65.63 53.74 40.98 36.27 50.17
MIN 18.37 28.79 37.11 42.92 51.37 57.28 63.00 63.37 52.25 44.24 28.03 24.10 47.22
NO YRS 23 21 21 23 23 23 23 23 23 23 23 22 17