BROWNLEE DAM, IDAHO

Monthly Average 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 71.03 m 79.35 79.16 73.07 55.06 46.77 37.53 61.82
1967 36.58 39.39 43.32 47.67 60.02 69.02 82.05 83.47 74.28 54.50 e 44.08 31.97 55.53
1968 31.81 40.47 48.39 49.88 60.84 70.12 81.71 72.35 66.63 53.98 42.68 34.81 54.47
1969 31.92 34.79 43.24 53.88 65.42 70.33 g 77.92 78.90 69.42 51.02 44.67 38.45 53.60
1970 35.40 40.64 43.44 47.75 60.31 71.90 79.71 81.47 62.23 52.19 43.40 33.66 54.34
1971 33.27 38.45 40.66 51.38 62.56 65.43 79.16 84.02 63.75 52.23 40.47 31.98 53.61
1972 30.48 35.79 46.63 49.62 63.00 71.00 77.85 80.03 63.78 56.18 42.97 26.84 53.68
1973 29.55 38.71 45.45 52.68 63.29 70.32 80.79 78.18 66.72 53.69 41.35 37.05 54.82
1974 28.74 38.16 44.03 50.60 58.44 74.72 a 77.24 76.82 70.45 55.79 43.58 34.60 54.43
1975 29.21 34.45 40.73 44.95 56.15 65.97 81.35 a 72.34 69.00 53.24 39.82 32.87 51.67
1976 30.00 33.38 38.50 48.63 62.21 64.17 76.52 70.12 a 67.23 54.65 43.93 31.94 51.77
1977 24.31 35.89 40.26 55.33 55.08 73.83 75.94 78.27 63.42 53.68 39.92 36.18 52.68
1978 34.87 38.55 47.76 49.53 55.98 67.97 75.69 73.53 62.82 55.48 35.83 23.94 51.83
1979 15.05 31.54 44.39 49.45 59.52 i 70.19 a 78.50 76.73 70.70 57.03 37.42 34.05 51.37
1980 30.10 37.29 44.52 57.50 61.84 65.98 77.29 73.56 66.97 55.37 42.85 35.65 54.08
1981 36.08 36.91 q 43.81 57.42 k 57.61 66.72 a 77.08 82.34 69.10 51.98 45.60 37.26 56.76
1982 28.55 31.25 43.11 48.62 59.48 70.72 75.60 78.31 64.77 52.47 38.28 32.26 51.95
1983 34.65 39.77 46.42 50.30 65.76 l 67.30 73.42 78.79 62.80 55.15 43.53 27.31 52.68
1984 27.37 31.38 44.24 50.55 58.26 65.87 79.42 80.26 65.00 52.13 42.30 27.56 52.03
1985 24.02 a 28.56 a 40.42 57.37 63.61 71.83 a 84.32 74.29 60.93 51.56 31.55 24.18 51.05
1986 28.74 39.52 50.39 52.62 61.18 75.82 73.90 81.63 62.10 56.27 42.60 33.45 54.85
1987 28.95 38.50 46.06 59.79 a 66.85 72.85 75.02 74.16 67.83 55.02 39.73 35.11 54.99
1988 30.32 37.97 46.73 56.17 62.83 b 73.77 79.69 b 79.19 68.12 64.18 43.38 32.50 56.24
1989 28.39 24.36 43.92 57.32 61.18 72.53 80.44 73.53 67.67 54.81 44.12 36.19 53.70
1990 37.03 35.66 47.15 59.38 59.50 69.27 81.24 78.29 75.15 53.50 43.25 25.65 55.42
1991 27.61 40.79 44.50 51.45 57.87 66.17 80.31 81.61 71.33 57.45 40.68 35.08 54.57
1992 35.32 43.62 52.34 57.42 68.45 74.47 75.81 79.24 67.42 59.27 40.03 31.37 57.06
1993 28.77 31.79 43.42 52.08 66.56 65.88 68.45 73.15 68.12 57.77 37.40 35.81 52.43
1994 35.60 34.79 47.97 56.02 63.73 69.92 81.48 81.34 71.95 55.74 36.98 33.16 55.72
1995 35.61 42.25 44.74 51.25 61.45 67.02 76.52 73.85 70.98 51.79 44.47 m 39.06 m 57.55
1996 34.14 j 39.05 r 47.50 v 54.31 v 59.40 z ----- z ----- z 78.59 t ----- z 49.97 m 44.33 a ----- z 44.33
1997 34.65 a 38.29 46.58 51.77 65.19 70.03 75.35 78.89 70.05 54.50 44.23 34.08 55.30
1998 36.26 40.73 46.00 e 52.42 59.23 66.23 83.00 81.05 73.55 54.74 45.45 33.58 56.02
1999 36.40 36.11 45.03 51.10 59.15 67.97 a 77.32 79.67 a 68.55 57.06 47.05 35.10 55.04
2000 34.13 41.00 45.06 57.00 62.98 71.67 a 83.23 i 81.12 b 66.18 55.53 38.47 34.85 53.46
2001 31.15 34.98 46.87 50.60 64.13 68.65 78.30 a 82.08 71.75 56.60 46.48 34.21 55.48
2002 34.52 33.77 42.03 54.13 60.92 71.70 82.73 76.12 b 70.08 53.84 43.58 39.29 55.23
2003 39.35 39.80 48.60 52.38 61.18 72.67 84.18 81.45 70.90 60.73 40.35 38.73 57.53
2004 31.52 36.34 49.94 56.52 60.74 71.57 81.32 78.92 a 66.78 57.10 43.52 37.90 56.01
2005 35.21 38.34 47.35 52.20 61.71 66.60 80.24 80.24 67.23 55.92 40.63 31.35 54.75
2006 37.03 35.57 44.26 54.22 65.10 73.47 85.37 78.34 69.78 56.63 a ----- z 34.10 57.62
2007 30.39 39.30 49.95 54.92 64.29 71.75 85.82 c 78.32 69.02 53.05 42.18 35.58 56.21
2008 29.53 35.66 42.19 48.93 61.48 69.02 79.95 78.03 67.57 54.31 45.60 32.82 a 53.76
2009 30.50 35.70 41.85 52.92 62.79 69.10 80.45 78.15 73.00 50.24 41.90 28.98 53.80
2010 37.21 39.91 45.90 50.52 55.60 66.22 76.89 76.40 68.23 58.44 42.00 35.97 54.44
2011 33.08 a 36.24 a ----- z 49.12 a 57.26 65.82 76.53 a 80.84 74.20 56.30 a 41.98 34.42 55.07
2012 35.57 j 39.02 46.85 56.68 61.21 e 67.90 82.10 79.79 69.40 54.74 46.17 c ----- z 60.39
Period of Record Statistics
MEAN 31.80 36.78 45.11 52.60 61.32 69.57 78.96 78.22 68.26 55.06 42.07 33.39 54.35
S.D. 4.46 3.76 2.94 3.46 3.11 3.01 3.41 3.27 3.52 2.59 3.16 3.72 1.60
SKEW -1.17 -0.97 0.10 0.23 -0.01 0.16 -0.36 -0.57 -0.13 0.93 -0.95 -0.93 -0.31
MAX 39.35 43.62 52.34 59.79 68.45 75.82 85.82 84.02 75.15 64.18 47.05 39.29 57.53
MIN 15.05 24.36 38.50 44.95 55.08 64.17 68.45 70.12 60.93 50.24 31.55 23.94 51.05
NO YRS 44 44 44 44 43 44 45 46 46 46 45 44 36