BONNERS FERRY, IDAHO

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(101079)

File last updated on Jul 24, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1907 ----- z ----- z ----- z ----- z 39.10 44.90 47.97 45.94 40.73 35.13 29.70 23.58 38.38
1908 18.06 17.17 25.81 33.87 38.55 43.43 49.84 44.42 40.23 32.97 29.00 20.26 32.80
1909 9.03 23.96 24.97 28.37 37.48 44.03 46.45 41.97 41.43 31.94 27.60 15.58 31.07
1910 15.87 9.79 29.00 34.27 38.61 41.97 45.32 42.68 40.27 35.13 27.93 25.48 32.19
1911 15.77 15.89 25.06 28.27 34.29 41.87 45.52 43.26 39.50 29.10 17.83 16.87 29.44
1912 15.94 22.38 19.45 31.00 38.16 45.10 44.84 44.65 ----- z 29.90 28.90 20.90 31.02
1913 9.52 7.86 20.58 29.70 37.90 45.73 46.48 46.29 36.73 29.61 29.17 21.55 30.09
1914 24.39 17.43 27.42 34.90 38.35 42.47 47.68 45.03 37.57 35.19 28.87 11.97 32.61
1915 16.81 23.89 28.26 34.40 39.65 41.17 46.84 50.55 42.40 33.71 18.00 14.81 32.54
1916 1.42 21.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 1.42
1917 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1918 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1919 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1920 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1921 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1922 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1923 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1924 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1925 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1926 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1927 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1928 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1929 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1930 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1931 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1932 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1933 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1934 ----- z 17.46 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 17.46
1935 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1936 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 31.52 j 21.50 23.94 22.72
1937 -4.03 11.54 24.87 34.63 40.42 48.80 53.10 47.42 44.10 38.45 32.43 24.97 33.06
1938 21.29 19.86 28.97 34.93 41.42 50.33 54.68 47.45 46.47 36.90 25.27 23.32 35.91
1939 26.84 15.89 27.87 35.00 40.94 45.30 51.10 49.29 42.37 34.35 28.77 27.42 35.43
1940 20.23 26.59 31.10 36.20 41.87 48.63 53.10 48.65 48.13 39.48 24.40 26.23 37.05
1941 23.81 25.61 31.00 36.70 43.00 49.60 55.16 51.87 43.93 35.74 29.87 25.03 37.61
1942 15.00 22.96 27.87 35.47 37.27 p 46.97 52.77 50.77 43.13 34.84 26.07 24.42 34.57
1943 12.32 23.25 20.94 35.93 39.42 44.20 49.13 46.77 39.50 34.35 26.97 20.65 32.79
1944 19.45 22.00 24.55 32.93 39.71 46.53 49.94 49.03 45.30 36.65 28.47 19.13 34.47
1945 25.55 25.00 26.97 30.90 j 37.71 43.00 46.71 45.87 38.40 31.61 25.57 20.35 33.34
1946 19.61 21.93 30.77 34.87 40.23 44.77 ----- z ----- z ----- z 31.55 23.03 22.00 29.86
1947 16.55 20.68 29.13 34.67 44.06 46.70 50.52 47.55 44.10 41.06 29.57 27.81 36.03
1948 18.16 18.97 25.32 34.60 44.13 53.10 50.81 51.03 41.83 30.90 29.33 14.81 34.42
1949 1.58 13.96 24.84 35.30 42.32 45.79 a 49.87 48.03 a 41.30 32.00 32.48 c 22.15 e 32.47
1950 2.03 21.75 26.81 32.60 37.84 46.54 b 51.52 49.58 41.07 36.84 28.20 26.89 d 33.47
1951 19.32 21.58 d 22.16 31.00 40.55 45.10 49.42 48.46 c 41.30 37.35 27.25 f 17.65 e 33.99
1952 15.96 e 19.95 i 26.74 33.27 40.90 46.64 e 49.23 48.90 42.97 34.38 w 24.07 26.39 35.51
1953 31.65 27.64 29.55 b 35.69 d 39.39 48.07 p 48.77 ----- z 44.25 z 34.39 30.43 29.19 34.08
1954 19.89 d 27.57 23.19 31.80 38.90 44.20 49.16 47.83 g 41.93 30.23 e 33.90 24.84 33.24
1955 22.94 18.36 21.10 32.37 c 39.03 b 45.41 c 51.17 b 44.13 40.53 m 37.35 21.12 n 17.97 32.98
1956 20.52 16.77 c 26.10 33.80 42.23 a 47.32 e 50.52 47.35 41.59 a 37.03 a 23.11 c 24.81 34.26
1957 6.23 17.39 26.63 d 34.31 a 44.24 b 49.04 f 48.36 c 45.26 h 40.77 35.69 e 27.08 f 28.23 31.32
1958 26.10 30.61 28.71 34.70 43.68 50.23 51.03 51.03 42.23 32.55 24.00 24.90 36.65
1959 22.68 19.89 29.29 33.64 b 37.90 a 45.80 49.10 46.87 a 43.83 35.10 19.23 24.32 33.97
1960 13.32 22.52 26.03 33.40 40.67 a 45.47 50.06 48.65 ----- z 34.94 27.63 22.55 33.20
1961 23.90 31.43 31.07 b 34.43 41.23 49.03 52.10 50.87 38.53 33.35 21.57 20.10 a 35.63
1962 15.42 24.71 25.55 35.07 40.73 a 43.82 b 46.90 b 48.39 40.17 38.19 34.17 29.42 35.21
1963 11.97 27.86 29.48 34.30 38.71 49.30 48.80 a 49.52 45.79 a 36.81 30.97 21.47 a 35.41
1964 25.03 21.07 26.00 33.03 38.58 47.24 a 49.87 46.21 c 38.63 33.48 28.80 18.35 33.86
1965 25.43 a 23.54 18.77 34.47 38.00 b 46.47 50.10 51.65 37.55 a 36.23 30.20 24.74 34.76
1966 22.52 23.96 25.77 32.47 39.94 44.66 a 49.35 46.69 b 46.18 b 34.00 b 30.03 28.74 35.36
1967 27.84 26.54 28.00 31.10 a 40.10 47.57 b 49.10 a 49.10 45.67 37.26 27.97 23.29 36.13
1968 20.42 25.83 30.84 32.20 38.83 a 45.93 49.03 49.43 a 41.87 ----- z 29.17 15.87 34.49
1969 10.87 17.93 23.87 a 35.36 b 41.61 49.53 46.79 b 44.80 f 44.03 a 31.97 28.66 a 25.61 32.38
1970 19.58 25.75 25.71 30.00 a 39.63 a 50.60 52.53 a 47.77 37.70 31.19 26.10 20.26 33.90
1971 21.65 24.11 26.39 33.20 40.97 45.03 a 48.35 51.40 a 38.76 a 32.52 b 29.27 17.61 34.10
1972 14.48 24.62 31.32 31.63 41.61 47.17 a 47.61 50.77 39.52 a 31.48 30.59 a 18.29 34.09
1973 17.97 23.68 29.39 31.62 a 38.83 a 47.33 49.27 a 49.42 42.37 36.53 a 27.07 27.57 a 35.09
1974 19.10 a 28.79 29.42 37.40 39.29 49.21 a 51.04 c 49.38 b 39.22 c 30.36 c 32.61 b 27.94 36.14
1975 17.74 17.32 26.50 e 30.67 39.74 45.52 c 54.68 48.79 b 40.10 a 37.50 a 26.23 24.32 34.09
1976 22.87 a 25.83 24.47 a 35.17 39.77 45.00 a 50.52 b 51.48 b 42.38 a 31.97 b 27.17 26.10 a 35.23
1977 20.03 a 27.39 28.83 a 32.79 a 40.33 a 48.30 49.57 c 50.83 a 42.57 32.47 a 25.53 19.58 34.85
1978 20.10 26.41 a 29.87 a 33.41 a 40.94 47.63 51.50 a 48.96 f 45.24 a 31.10 b 23.47 15.90 33.23
1979 4.90 24.68 26.77 33.70 39.52 47.47 50.47 a 50.17 a 41.47 33.03 20.47 26.74 33.28
1980 8.45 23.59 25.87 34.13 43.61 44.47 48.29 45.03 40.27 32.48 28.80 26.19 33.43
1981 24.23 24.79 27.61 33.70 44.23 46.23 50.42 49.71 40.93 33.26 29.83 21.71 35.55
1982 19.74 21.79 29.06 30.03 37.35 48.67 47.52 49.00 42.70 34.61 26.07 a 21.74 34.02
1983 25.90 29.21 32.48 32.77 39.81 46.67 48.74 50.87 39.53 34.19 33.23 10.74 35.35
1984 25.03 27.86 31.19 34.57 39.94 46.27 50.42 48.42 39.13 31.23 27.87 14.00 34.66
1985 18.61 16.75 24.61 35.13 40.42 47.10 51.71 48.42 40.57 33.90 15.83 17.26 32.53
1986 25.23 21.11 31.45 34.50 42.39 49.97 46.26 49.61 42.93 34.19 27.93 23.48 35.75
1987 20.26 25.79 30.71 37.07 43.23 47.80 52.52 47.10 41.33 29.03 31.13 20.35 35.53
1988 16.26 23.86 30.42 36.80 42.65 48.50 50.19 48.26 41.83 37.58 31.43 23.39 35.93
1989 23.03 13.14 27.90 34.67 40.35 49.20 50.26 50.68 39.73 ----- z ----- z ----- z 36.55
1990 ----- z ----- z ----- z 35.47 39.77 44.00 53.03 52.74 43.93 35.29 31.53 15.42 39.02
1991 17.00 30.18 26.68 32.63 41.61 45.43 47.29 46.81 40.67 28.58 27.07 24.48 34.04
1992 25.71 29.62 29.29 36.37 42.58 52.37 53.16 50.00 41.60 35.68 32.13 17.74 37.19
1993 14.74 18.36 29.52 37.97 46.68 48.27 47.19 49.52 40.38 a ----- z 22.33 27.10 34.73
1994 30.39 23.29 29.19 37.87 42.35 47.07 51.61 50.90 43.30 33.97 26.93 24.55 36.79
1995 22.61 26.18 27.52 34.40 42.81 47.30 52.74 47.84 44.13 35.97 31.90 23.35 36.40
1996 16.30 a 19.00 26.39 36.10 40.32 46.90 51.87 50.35 42.07 35.23 27.57 17.84 34.16
1997 18.97 22.75 28.71 32.90 43.35 49.40 52.39 52.10 46.63 39.00 29.17 25.48 36.74
1998 23.90 29.11 32.00 35.30 44.06 48.77 56.81 50.84 46.83 35.52 34.63 23.77 a 38.46
1999 29.00 28.70 a 30.07 a 32.33 39.35 46.17 47.58 53.10 a 38.73 34.21 b 34.57 b 29.03 36.90
2000 22.06 24.18 a 31.41 b 33.53 39.58 46.52 c 50.10 47.81 41.21 a 33.36 c 24.38 a 20.52 34.55
2001 23.07 d 19.96 b 29.03 34.59 c 41.47 a 45.73 50.52 51.24 b 44.61 b 34.55 33.57 b 21.90 35.85
2002 24.23 24.22 a 25.19 34.53 39.26 48.90 52.97 46.58 41.63 26.03 28.67 29.45 35.14
2003 27.48 26.07 31.71 ----- z ----- z 48.65 m 48.96 g 50.90 44.13 35.00 22.48 g 19.96 d 33.61
2004 23.04 f 25.97 30.04 e 34.67 41.39 47.44 e 51.19 53.45 44.52 e 36.97 29.63 28.65 38.54
2005 20.13 20.89 29.35 36.00 42.58 48.27 51.23 47.87 41.83 39.03 30.50 16.87 35.38
2006 30.58 22.07 28.32 c 34.73 d 41.59 d 51.14 p 56.00 u ----- z ----- z ----- z ----- z ----- z 31.46
Period of Record Statistics
MEAN 18.94 22.57 27.47 33.91 40.57 46.74 50.00 48.67 41.86 34.19 27.81 22.28 34.65
S.D. 7.06 4.86 3.02 2.02 2.09 2.34 2.41 2.47 2.47 2.86 4.01 4.45 1.77
SKEW -0.96 -0.69 -0.75 -0.61 0.19 0.08 0.20 -0.55 0.28 -0.21 -0.78 -0.41 -0.59
MAX 31.65 31.43 32.48 37.97 46.68 53.10 56.81 53.45 48.13 41.06 34.63 29.45 38.46
MIN -4.03 7.86 18.77 28.27 34.29 41.17 44.84 41.97 36.73 26.03 15.83 10.74 29.44
NO YRS 77 77 77 76 77 75 76 72 73 74 74 78 58