BOISE 7 N, IDAHO

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(101017)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1973 ----- z ----- z ----- z ----- z 42.81 50.20 59.58 57.87 47.93 39.23 32.90 28.10 44.83
1974 20.29 26.75 30.84 34.90 38.26 53.00 56.29 54.29 48.00 38.32 31.73 23.65 38.03
1975 19.65 25.43 29.06 30.43 39.97 47.17 59.23 52.55 48.20 40.55 27.47 25.55 37.10
1976 23.52 23.93 25.42 32.80 42.19 45.27 56.23 52.39 50.10 37.16 30.33 20.48 36.65
1977 12.28 f 25.18 27.19 38.40 39.03 53.57 56.29 59.43 a 48.57 40.16 29.97 28.48 40.57
1978 28.65 28.96 36.06 35.53 39.29 47.87 55.94 54.19 48.43 38.81 26.00 16.90 38.05
1979 8.81 27.07 31.19 35.53 41.52 49.43 57.81 56.90 52.70 42.06 25.13 27.48 37.97
1980 21.42 31.03 29.26 37.90 42.39 46.43 55.29 51.35 48.57 38.19 29.83 24.55 38.02
1981 25.94 25.46 31.52 36.77 40.61 47.60 52.26 59.42 49.97 38.48 33.43 27.16 39.05
1982 19.26 21.00 31.10 32.77 39.42 50.80 54.48 57.19 47.87 37.94 25.60 22.61 36.67
1983 27.84 30.46 34.00 33.53 43.19 47.77 53.52 59.65 45.53 40.90 33.90 17.55 38.99
1984 16.32 20.24 31.55 33.77 41.06 46.20 57.19 60.81 44.87 36.77 31.30 17.45 36.46
1985 12.97 17.61 26.03 39.37 43.58 50.17 62.29 52.58 43.27 36.94 20.53 7.74 34.42
1986 25.06 31.25 36.13 34.23 43.55 53.87 54.03 59.26 45.33 39.35 30.70 20.77 39.46
1987 21.26 28.04 33.94 39.37 46.16 53.20 54.94 54.65 51.67 42.52 32.40 24.35 40.21
1988 18.90 27.38 30.19 38.90 43.00 54.27 57.00 56.13 48.43 48.48 32.07 20.29 39.59
1989 17.26 15.18 33.52 40.03 39.94 50.77 58.65 55.42 48.87 39.94 31.67 23.94 37.93
1990 26.23 23.50 31.97 39.87 40.74 49.07 57.23 58.48 55.33 38.90 31.57 9.58 38.54
1991 18.68 31.25 31.48 34.27 39.03 44.40 56.97 59.77 51.47 40.52 29.73 24.19 38.48
1992 25.48 33.38 35.52 40.30 46.45 53.07 54.61 57.74 48.17 42.87 26.67 20.68 40.41
1993 15.58 18.61 32.03 37.00 47.16 45.57 47.74 52.29 48.07 40.39 21.17 25.16 35.90
1994 25.48 25.57 32.26 38.67 45.29 49.07 59.06 58.90 51.73 38.84 23.00 23.55 39.29
1995 28.29 31.79 31.87 34.70 41.29 46.80 54.68 51.48 50.17 36.45 35.30 25.00 38.98
1996 24.32 23.83 32.55 36.10 40.29 47.23 56.55 55.97 46.23 40.00 32.10 28.45 38.64
1997 23.42 26.57 32.42 34.93 45.58 48.13 53.45 58.00 52.23 38.97 32.20 21.68 38.97
1998 30.26 29.57 32.13 35.67 41.84 45.60 58.55 57.39 55.13 37.55 33.37 21.26 39.86
1999 27.32 26.86 31.61 33.10 38.00 47.67 54.81 58.90 47.73 40.53 a 37.27 23.68 38.96
2000 26.35 32.28 30.55 39.07 43.39 47.87 57.35 57.52 46.27 40.58 24.47 22.61 39.02
2001 18.00 24.39 34.19 35.53 44.27 a 47.53 57.00 61.13 53.10 40.97 33.40 22.77 39.36
2002 23.16 22.43 29.29 36.93 41.30 a 50.63 61.52 54.13 49.87 36.03 30.73 30.29 38.86
2003 31.87 27.54 35.97 36.33 42.42 48.07 61.58 61.13 51.93 45.42 27.80 29.42 41.62
2004 20.13 24.86 36.06 37.43 43.03 51.20 58.94 58.06 49.17 42.71 30.33 27.90 39.99
2005 24.81 26.54 34.06 36.20 43.74 45.93 58.26 59.10 48.23 40.90 28.43 20.68 38.91
2006 28.52 24.54 31.39 38.43 43.58 52.27 61.94 56.00 49.93 37.84 33.33 22.68 40.04
2007 19.68 29.11 35.16 36.00 42.84 50.50 64.55 56.90 48.63 38.81 29.87 23.42 39.62
2008 18.06 25.62 28.90 31.20 42.03 47.03 57.45 57.10 48.80 39.39 34.27 21.90 37.65
2009 23.39 26.21 28.55 35.90 43.10 50.70 58.90 58.55 53.70 36.55 29.50 17.32 38.53
2010 28.74 30.46 31.77 33.80 37.94 48.13 54.32 54.03 50.50 43.29 27.93 24.55 38.79
2011 22.29 24.04 31.57 a 32.33 39.52 46.10 54.87 59.48 53.17 41.23 27.62 a 20.23 a 37.70
2012 25.39 26.24 33.81 38.00 40.63 a 46.33 60.71 59.48 51.57 39.13 33.40 26.10 40.07
2013 12.35 25.29 31.10 40.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 22.91
Period of Record Statistics
MEAN 22.43 26.14 31.83 36.05 41.99 48.91 57.05 56.89 49.49 39.84 29.96 22.75 38.60
S.D. 5.21 4.02 2.62 2.54 2.34 2.68 3.13 2.78 2.73 2.50 3.76 4.70 1.38
SKEW -0.50 -0.55 -0.34 -0.19 0.21 0.44 -0.14 -0.48 0.12 1.17 -0.68 -1.18 -0.74
MAX 31.87 33.38 36.13 40.30 47.16 54.27 64.55 61.13 55.33 48.48 37.27 30.29 41.62
MIN 8.81 15.18 25.42 30.43 37.94 44.40 47.74 51.35 43.27 36.03 20.53 7.74 34.42
NO YRS 39 40 40 39 40 40 40 40 40 40 40 40 38