BROWNLEE DAM, IDAHO

Monthly Average Maximum 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 86.65 m 95.58 94.23 88.07 68.52 55.13 44.81 74.39
1967 42.87 48.64 52.90 57.30 73.16 81.90 98.74 101.00 89.63 66.08 e 52.07 38.03 66.86
1968 39.61 47.97 59.81 61.83 74.23 83.93 98.90 85.87 80.43 66.26 50.27 42.23 65.94
1969 39.03 42.07 55.06 66.23 79.06 83.43 g 94.39 96.77 84.17 62.45 54.83 45.03 65.37
1970 41.71 50.11 53.32 58.50 73.06 85.77 96.10 99.71 75.80 64.42 51.47 39.87 65.82
1971 39.74 47.75 50.23 62.90 76.23 78.40 95.77 102.35 78.17 64.61 47.90 38.45 65.21
1972 37.52 43.90 57.35 61.33 77.32 85.20 94.06 97.13 77.80 68.74 50.37 32.87 65.30
1973 36.61 47.25 56.35 65.23 78.26 84.63 97.97 94.90 81.10 66.00 47.93 43.55 66.65
1974 36.19 47.04 54.06 61.97 71.55 90.66 a 93.42 93.90 88.13 70.68 54.20 42.74 67.04
1975 36.35 43.64 51.42 55.40 69.90 79.83 98.20 a 87.68 87.20 64.32 50.27 39.52 63.64
1976 38.68 43.66 49.84 61.63 78.23 79.03 94.23 85.61 83.97 70.19 56.20 43.10 65.36
1977 32.58 48.61 52.65 72.77 67.97 90.47 93.03 95.71 78.00 67.68 49.20 43.65 66.02
1978 43.10 46.96 61.81 61.50 69.16 84.20 92.65 90.45 77.70 72.65 45.53 33.65 64.95
1979 26.23 41.89 57.84 63.03 74.82 i 87.28 a 96.74 93.45 89.13 71.29 48.00 41.97 65.17
1980 39.26 45.97 53.77 68.70 73.61 78.87 93.03 90.06 81.97 69.71 52.17 43.32 65.87
1981 41.71 48.45 q 54.35 70.68 k 70.35 80.03 a 93.81 99.84 83.93 63.10 54.53 44.71 68.64
1982 36.19 40.00 52.52 61.00 72.55 83.93 90.06 94.06 77.90 64.10 47.13 39.94 63.28
1983 41.84 48.50 56.00 63.37 82.32 l 81.63 89.10 94.84 78.47 68.97 51.57 33.77 64.37
1984 35.00 39.66 54.13 60.97 69.81 78.30 96.06 96.26 79.00 63.35 49.87 34.90 63.11
1985 31.58 38.26 a 51.13 71.77 77.19 87.21 a 101.32 89.68 73.20 63.00 38.47 31.45 62.85
1986 37.26 46.79 61.39 64.60 74.68 92.13 90.03 98.23 73.67 69.65 50.80 39.84 66.59
1987 36.32 47.14 56.13 75.31 a 81.23 87.50 89.10 87.42 81.37 67.26 45.67 42.65 66.42
1988 37.26 48.21 59.06 69.17 76.69 b 87.93 95.72 b 96.42 83.33 78.16 50.20 38.77 68.41
1989 35.19 33.79 53.32 70.07 74.84 87.30 97.68 87.26 82.33 66.55 53.03 44.23 65.47
1990 43.84 44.71 59.13 72.87 71.39 82.90 97.58 92.90 91.50 64.77 51.43 32.90 67.16
1991 35.19 49.54 54.84 62.73 69.87 79.10 97.03 98.48 86.63 71.10 46.97 41.55 66.09
1992 42.23 53.31 66.10 70.47 84.26 88.80 90.39 95.94 82.03 72.55 46.83 38.10 69.25
1993 35.13 38.79 51.61 62.63 80.00 78.30 81.84 88.58 84.70 70.61 47.57 42.97 63.56
1994 41.42 43.71 61.42 69.13 77.00 85.50 98.87 98.42 88.20 67.94 44.13 39.32 67.92
1995 43.00 52.43 54.03 63.13 74.19 80.10 92.35 90.61 87.10 64.16 53.47 m 47.22 m 70.11
1996 41.95 j 45.38 p 60.33 v 68.00 v 77.40 z ----- z ----- z 97.55 t ----- z 59.63 l 51.27 ----- z 51.27
1997 40.19 45.25 56.23 61.33 77.81 81.57 88.29 93.03 82.30 63.39 50.90 40.00 65.02
1998 42.39 47.93 54.50 e 62.30 68.94 77.73 98.06 96.03 85.67 65.19 51.13 39.13 65.75
1999 41.61 42.71 54.29 61.33 71.10 80.03 92.68 93.97 82.27 68.42 54.03 39.55 65.17
2000 39.48 47.90 53.87 69.37 74.00 85.52 a 98.82 i 96.77 78.23 65.03 44.17 39.87 63.11
2001 35.58 41.64 56.84 60.80 77.48 81.70 92.45 97.52 84.90 66.68 53.53 39.26 65.70
2002 39.29 40.79 50.77 65.57 72.55 84.87 98.26 90.14 b 83.53 64.10 50.77 44.48 65.43
2003 43.87 46.75 56.81 62.53 72.55 86.83 100.32 95.94 83.37 71.35 47.70 44.26 67.69
2004 36.68 41.97 60.84 68.57 71.16 84.53 96.35 92.27 a 78.47 66.71 50.00 42.87 65.87
2005 40.45 47.18 57.77 61.90 72.81 78.40 95.68 95.35 80.30 65.61 47.20 37.10 64.98
2006 41.84 43.21 52.48 64.30 77.68 86.03 100.61 93.00 82.07 65.74 52.50 39.61 66.59
2007 37.06 46.68 60.87 66.27 77.06 84.90 102.48 93.42 82.23 62.61 49.43 41.23 67.02
2008 35.68 42.66 50.74 59.50 72.68 82.17 95.84 94.19 81.37 65.23 53.77 39.40 a 64.43
2009 36.77 43.54 50.58 63.70 75.23 80.07 95.29 92.29 87.07 59.23 49.70 35.58 64.09
2010 42.35 46.36 56.68 60.87 66.26 77.80 92.68 91.90 81.73 67.23 48.13 40.87 64.40
2011 37.63 a 43.22 a ----- z 57.87 67.48 76.80 91.84 96.55 88.13 65.60 a 48.90 41.23 65.02
2012 41.52 j 46.21 55.42 67.67 74.27 e 81.40 97.94 99.42 87.60 65.26 53.81 c ----- z 72.90
Period of Record Statistics
MEAN 38.49 45.10 55.46 64.30 74.07 83.21 94.95 94.12 82.69 66.87 50.01 40.05 65.70
S.D. 3.63 3.84 3.68 4.51 3.91 3.96 3.95 4.02 4.30 3.44 3.42 3.55 1.46
SKEW -0.83 -0.46 0.67 0.52 0.24 0.28 -0.74 -0.27 -0.10 0.73 -0.76 -0.70 0.21
MAX 43.87 53.31 66.10 75.31 84.26 92.13 102.48 102.35 91.50 78.16 56.20 45.03 69.25
MIN 26.23 33.79 49.84 55.40 66.26 76.80 81.84 85.61 73.20 59.23 38.47 31.45 62.85
NO YRS 44 44 44 44 43 44 45 46 46 46 46 44 37