BROWNLEE DAM, IDAHO

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(101180)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201211
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
1966 ----- z ----- z ----- z ----- z ----- z 55.41 m 63.13 64.10 58.07 41.61 38.40 30.26 49.26
1967 30.29 30.14 33.74 38.03 46.87 56.13 65.35 65.94 58.93 43.03 36.10 25.90 44.21
1968 24.00 32.97 36.97 37.93 47.45 56.30 64.52 58.84 52.83 41.71 35.10 27.39 43.00
1969 24.81 27.50 31.42 41.53 51.77 57.57 61.45 61.03 54.67 39.58 34.50 31.87 43.14
1970 29.10 31.18 33.55 37.00 47.55 58.03 63.32 63.23 48.67 39.97 35.33 27.45 42.86
1971 26.81 29.14 31.10 39.87 48.90 52.47 62.55 65.68 49.33 39.84 33.03 25.52 42.02
1972 23.45 27.69 35.90 37.90 48.68 56.80 61.65 62.94 49.77 43.61 35.57 20.81 42.06
1973 22.48 30.18 34.55 40.13 48.32 56.00 63.61 61.45 52.33 41.39 34.77 30.55 42.98
1974 21.29 29.29 34.00 39.23 45.32 58.79 a 61.06 59.74 52.77 40.90 32.97 26.45 41.82
1975 22.06 25.25 30.03 34.50 42.39 52.10 64.50 a 57.00 50.80 42.16 29.37 26.23 39.70
1976 21.32 23.10 27.16 35.63 46.19 49.30 58.81 54.30 a 50.50 39.10 31.67 20.77 38.15
1977 16.03 23.18 27.87 37.90 42.19 57.20 58.84 60.84 48.83 39.68 30.63 28.71 39.33
1978 26.65 30.14 33.71 37.57 42.81 51.73 58.74 56.61 47.93 38.32 26.13 14.23 38.71
1979 3.87 21.18 30.94 35.87 44.97 52.90 60.26 60.00 52.27 42.77 26.83 26.13 38.17
1980 20.94 28.62 35.26 46.30 50.06 53.10 61.55 57.06 51.97 41.03 33.53 27.97 42.28
1981 30.45 27.93 33.26 40.73 44.87 53.47 60.35 64.84 54.27 40.87 36.67 29.81 43.13
1982 20.90 22.50 33.71 36.23 46.42 57.50 61.13 62.55 51.63 40.84 29.43 24.58 40.62
1983 27.45 31.04 36.84 37.23 46.35 52.97 57.74 62.74 47.13 41.32 35.50 20.84 41.43
1984 19.74 23.10 34.35 40.13 46.71 53.43 62.77 64.26 51.00 40.90 34.73 20.23 40.95
1985 16.30 a 18.79 29.71 42.97 50.03 56.50 67.32 58.90 48.67 40.13 24.63 16.90 39.24
1986 20.23 32.25 39.39 40.63 47.68 59.50 57.77 65.03 50.53 42.90 34.40 27.06 43.12
1987 21.58 29.86 36.00 44.20 52.48 58.20 60.94 60.90 54.30 42.77 33.80 27.58 43.55
1988 23.39 27.72 34.39 43.17 48.68 59.60 63.71 61.97 52.90 50.19 36.57 26.23 44.04
1989 21.58 14.93 34.52 44.57 47.52 57.77 63.19 59.81 53.00 43.06 35.20 28.16 41.94
1990 30.23 26.61 35.16 45.90 47.61 55.63 64.90 63.68 58.80 42.23 35.07 18.39 43.68
1991 20.03 32.04 34.16 40.17 45.87 53.23 63.58 64.74 56.03 43.81 34.40 28.61 43.06
1992 28.42 33.93 38.58 44.37 52.65 60.13 61.23 62.55 52.80 46.00 33.23 24.65 44.88
1993 22.42 24.79 35.23 41.53 53.13 53.47 55.06 57.71 51.53 44.94 27.23 28.65 41.31
1994 29.77 25.86 34.52 42.90 50.45 54.33 64.10 64.26 55.70 43.55 29.83 27.00 43.52
1995 28.23 32.07 35.45 39.37 48.71 53.93 60.68 57.10 54.87 39.42 35.47 m 30.89 m 44.98
1996 26.33 j 29.17 q 34.67 v 40.00 t 41.40 z ----- z ----- z 59.64 t ----- z 41.33 j 37.45 a ----- z 37.45
1997 29.07 a 31.32 36.94 42.20 52.58 58.50 62.42 64.74 57.80 45.61 37.57 28.16 45.58
1998 30.13 33.54 37.26 42.53 49.52 54.73 67.94 66.06 61.43 44.29 39.77 28.03 46.27
1999 31.19 29.50 35.77 40.87 47.19 56.10 a 61.97 65.47 a 54.83 45.71 40.07 30.65 44.94
2000 28.77 34.10 36.26 44.63 51.97 57.83 a 65.23 a 65.14 b 54.13 46.03 32.77 29.84 45.56
2001 26.71 28.32 36.90 40.40 50.77 55.60 64.27 a 66.65 58.60 46.52 39.43 29.16 45.28
2002 29.74 26.75 33.29 42.70 49.29 58.53 67.19 61.93 a 56.63 43.58 36.40 34.10 45.01
2003 34.84 32.86 40.39 42.23 49.81 58.50 68.03 66.97 58.43 50.10 33.00 33.19 47.36
2004 26.35 30.72 39.03 44.47 50.32 58.60 66.29 65.45 55.10 47.48 37.03 32.94 46.15
2005 29.97 29.50 36.94 42.50 50.61 54.80 64.81 65.13 54.17 46.23 34.07 25.61 44.53
2006 32.23 27.93 36.03 44.13 52.52 60.90 70.13 63.68 57.50 48.13 a ----- z 28.58 47.43
2007 23.71 31.93 39.03 43.57 51.52 58.60 69.96 c 63.23 55.80 43.48 34.93 29.94 45.47
2008 23.39 28.66 33.65 38.37 50.29 55.87 64.06 61.87 53.77 43.39 37.43 26.45 43.10
2009 24.23 27.86 33.13 42.13 50.35 58.13 65.61 64.00 58.93 41.26 34.10 22.39 43.51
2010 32.06 33.46 35.13 40.17 44.94 54.63 61.10 60.90 54.73 49.65 35.87 31.06 44.48
2011 28.00 28.82 ----- z 40.34 a 47.03 54.83 61.23 a 65.13 60.27 47.00 a 35.07 27.61 45.03
2012 29.62 j 31.83 38.29 45.70 48.15 e 54.40 66.26 60.16 51.20 44.23 38.52 c ----- z 47.87
Period of Record Statistics
MEAN 25.10 28.45 34.76 40.90 48.43 55.97 63.05 62.31 53.83 43.27 34.18 26.74 42.93
S.D. 5.51 4.12 2.90 2.98 2.80 2.59 3.20 3.07 3.52 3.00 3.55 4.27 2.28
SKEW -1.23 -1.12 -0.53 -0.17 -0.32 -0.27 0.04 -0.64 0.15 0.61 -0.83 -0.93 -0.42
MAX 34.84 34.10 40.39 46.30 53.13 60.90 70.13 66.97 61.43 50.19 40.07 34.10 47.36
MIN 3.87 14.93 27.16 34.50 42.19 49.30 55.06 54.30 47.13 38.32 24.63 14.23 38.15
NO YRS 44 45 44 45 45 45 46 46 46 46 45 44 41