BOISE WSFO AIRPORT, IDAHO

Monthly Total Precipitation (inches)

(101022)

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
1940 1.84 1.78 2.26 1.80 0.09 0.08 0.36 0.01 1.85 1.82 1.32 0.54 13.75
1941 1.23 1.51 0.18 1.35 1.65 3.41 0.11 0.61 0.22 1.00 0.77 1.77 13.81
1942 0.98 1.41 0.52 1.28 4.00 0.62 0.00 0.02 0.01 0.58 2.31 2.75 14.48
1943 1.27 0.88 2.08 1.39 0.72 1.09 0.16 0.00 0.00 1.42 0.50 0.41 9.92
1944 0.41 1.20 0.18 2.92 0.36 2.04 0.06 0.00 0.16 0.43 1.60 1.09 10.45
1945 1.09 2.17 1.76 0.47 2.21 0.78 0.07 0.08 0.44 0.62 1.51 2.24 13.44
1946 1.37 1.31 1.67 0.35 0.55 0.13 0.04 0.26 0.16 1.11 2.05 0.86 9.86
1947 0.50 0.44 1.84 0.52 1.02 0.80 0.00 0.05 0.80 2.18 1.27 0.66 10.08
1948 0.81 1.58 1.42 1.37 0.91 1.57 0.08 0.05 0.31 0.68 1.02 2.11 11.91
1949 0.12 2.05 0.48 0.09 0.73 0.37 0.00 0.12 0.19 1.20 1.40 0.68 7.43
1950 2.53 1.09 2.01 0.55 1.27 0.92 0.04 0.52 0.92 0.42 1.53 2.19 13.99
1951 1.66 2.16 1.05 0.94 0.94 0.70 0.29 0.07 0.01 1.60 1.80 2.47 13.69
1952 1.24 1.12 2.05 1.08 1.08 1.10 0.15 0.00 0.05 0.00 0.35 1.00 9.22
1953 3.35 1.49 0.92 1.52 2.59 1.22 0.00 0.12 0.02 0.11 1.31 1.15 13.80
1954 1.09 0.55 1.20 0.42 0.95 1.10 0.06 0.24 0.08 0.44 0.94 1.09 8.16
1955 1.32 0.43 0.39 3.04 1.48 0.63 0.39 0.00 0.12 0.74 1.43 2.22 12.19
1956 2.17 0.91 0.39 1.62 2.18 0.80 0.15 0.08 0.02 2.25 0.41 0.84 11.82
1957 1.04 1.72 2.27 1.15 2.79 0.25 0.00 0.00 0.06 0.42 0.81 2.08 12.59
1958 1.37 1.91 0.57 1.94 2.05 2.94 0.48 0.53 0.12 0.09 1.04 1.28 14.32
1959 1.33 0.63 1.08 0.19 1.68 0.27 0.00 0.64 2.54 0.76 0.36 0.53 10.01
1960 1.33 1.74 1.39 0.43 1.21 0.01 0.95 0.83 0.29 0.49 1.82 0.43 10.92
1961 0.42 1.20 1.39 0.22 0.54 0.55 0.25 0.21 0.79 1.76 0.95 0.90 9.18
1962 1.00 0.77 1.27 0.92 2.90 0.12 0.04 0.12 0.40 1.22 1.67 0.25 10.68
1963 1.13 1.70 0.21 1.65 0.85 1.90 0.00 0.64 0.75 0.99 2.41 1.02 13.25
1964 2.46 0.19 0.64 1.35 1.76 2.00 0.41 0.53 0.70 0.21 2.33 3.19 15.77
1965 2.89 0.31 0.43 2.81 0.80 1.20 0.25 0.88 0.55 0.28 1.51 0.61 12.52
1966 0.81 0.73 0.60 0.61 0.32 0.01 0.06 0.01 0.19 0.29 1.60 1.41 6.64
1967 1.49 0.35 0.37 1.47 0.49 1.07 0.05 0.00 0.58 0.42 0.89 0.50 7.68
1968 0.43 1.86 0.71 0.35 0.40 0.60 0.00 2.37 0.10 0.70 1.50 1.95 10.97
1969 3.50 1.00 0.26 1.35 0.50 2.00 0.02 0.00 0.68 0.64 0.59 1.77 12.31
1970 3.87 0.30 1.04 0.93 0.73 1.72 0.28 0.10 1.00 0.81 2.03 1.37 14.18
1971 2.04 0.65 1.50 0.40 0.25 1.58 0.12 0.18 0.64 0.53 2.32 1.63 11.84
1972 2.15 0.91 1.50 0.62 0.32 0.90 0.21 0.05 1.11 0.64 1.11 1.79 11.31
1973 1.14 0.42 0.65 1.49 0.74 0.19 0.07 0.03 0.82 1.15 2.44 2.23 11.37
1974 1.35 0.66 1.50 0.67 0.10 0.60 0.53 0.22 0.00 1.45 0.67 1.71 9.46
1975 0.59 2.62 1.92 1.53 0.88 0.78 0.82 0.48 0.01 1.99 0.78 1.29 13.69
1976 1.49 1.31 0.72 1.60 0.46 1.66 1.15 0.95 2.11 0.52 0.14 0.09 12.20
1977 0.65 0.57 0.86 0.19 1.80 1.26 0.41 0.73 1.20 0.21 1.86 2.46 12.20
1978 2.37 1.50 1.43 2.34 0.36 0.56 0.48 0.24 0.89 0.00 1.06 0.60 11.83
1979 1.93 1.20 0.48 1.60 1.28 0.18 0.01 1.81 0.04 1.50 1.30 0.74 12.07
1980 1.56 1.29 2.14 1.20 3.77 0.58 0.03 0.00 1.59 0.30 1.26 1.49 15.21
1981 1.20 1.02 2.76 1.93 0.95 0.77 0.23 0.13 0.36 0.97 2.24 2.72 15.28
1982 1.42 1.54 1.39 0.79 0.39 0.35 1.62 0.19 1.38 1.74 1.10 1.92 13.83
1983 1.67 1.26 2.70 2.29 1.93 0.17 1.16 0.28 0.65 0.56 1.87 4.23 18.77
1984 0.80 0.86 1.43 1.62 1.06 1.47 0.23 1.24 0.69 0.85 2.36 0.63 13.24
1985 0.20 0.55 0.97 0.90 1.52 0.37 0.85 0.04 1.81 0.84 1.85 1.24 11.14
1986 0.98 3.70 2.01 1.55 1.10 0.35 0.17 0.07 2.93 0.33 1.00 0.12 14.31
1987 0.73 1.24 2.01 0.38 0.69 0.58 0.70 0.11 0.00 0.00 1.00 1.05 8.49
1988 1.30 0.43 1.45 1.80 1.33 0.47 0.02 0.09 0.24 0.00 3.36 0.81 11.30
1989 1.14 1.15 3.46 0.46 0.21 0.08 0.03 0.78 1.20 1.24 0.59 0.10 10.44
1990 0.84 0.79 0.77 2.14 4.07 0.11 0.42 0.39 0.50 0.45 0.61 0.98 12.07
1991 0.96 0.46 0.55 1.65 1.57 0.64 0.37 0.04 0.21 0.91 1.76 0.35 9.47
1992 0.36 0.92 0.17 0.66 0.00 2.07 0.03 0.00 0.30 0.90 1.37 0.89 7.67
1993 1.65 0.96 2.45 2.09 0.92 2.10 0.52 0.24 0.00 0.47 0.38 0.98 12.76
1994 1.28 0.90 0.17 1.25 1.01 0.24 0.10 0.00 0.10 0.78 1.78 1.79 9.40
1995 2.10 0.51 1.51 1.03 2.36 0.88 0.59 0.06 0.22 0.42 2.20 2.19 14.07
1996 1.36 1.08 1.97 1.47 1.67 0.21 0.12 0.00 0.46 0.68 1.71 3.43 14.16
1997 2.74 0.18 0.52 1.89 1.14 1.35 0.45 0.27 0.67 0.55 0.68 0.65 11.09
1998 2.73 1.39 0.99 0.81 4.40 1.21 0.49 0.00 1.96 0.11 0.97 1.65 16.71
1999 1.40 1.96 0.75 0.61 1.10 0.47 0.00 0.29 0.00 0.11 1.00 0.90 8.59
2000 1.51 2.06 1.69 1.01 0.83 0.14 0.03 0.10 0.60 2.59 0.68 0.80 12.04
2001 1.07 0.49 1.07 1.20 0.27 0.32 0.15 0.00 0.44 0.86 1.52 1.15 8.54
2002 0.94 0.19 1.06 0.83 0.01 0.19 0.09 0.05 0.39 0.31 0.87 2.03 6.96
2003 1.56 0.87 1.48 1.39 1.35 0.18 0.27 0.33 0.04 0.00 1.02 1.62 10.11
2004 1.85 1.46 0.51 0.36 2.37 0.26 0.59 0.18 c 0.25 1.53 0.70 1.24 11.30
2005 0.23 0.34 1.20 1.16 3.96 0.91 0.02 0.00 0.32 0.44 1.71 3.37 13.66
2006 1.77 0.41 2.19 1.82 1.19 0.82 0.24 0.02 0.16 0.40 1.43 1.69 12.14
2007 0.19 1.27 0.32 1.06 0.23 0.94 0.02 0.04 0.65 1.03 1.06 1.27 8.08
2008 0.94 0.55 1.21 0.26 0.65 0.53 0.28 0.00 0.94 0.75 1.39 1.75 9.25
2009 0.87 0.20 1.26 0.72 0.98 1.54 0.04 1.79 0.01 1.39 0.71 1.75 11.26
2010 1.35 0.83 1.72 1.58 2.30 0.81 0.11 0.27 0.01 1.18 1.57 3.25 14.98
2011 1.33 0.52 2.25 1.53 1.81 0.46 0.02 0.00 0.09 1.79 0.33 0.36 10.49
2012 2.72 0.67 2.23 1.94 0.90 0.19 0.07 0.00 0.05 0.91 0.54 1.12 11.34
2013 1.18 0.61 0.32 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2.11
Period of Record Statistics
MEAN 1.40 1.07 1.24 1.20 1.29 0.84 0.25 0.28 0.55 0.81 1.31 1.42 11.69
S.D. 0.78 0.65 0.74 0.68 1.02 0.70 0.32 0.45 0.63 0.59 0.64 0.87 2.43
SKEW 0.95 1.16 0.48 0.48 1.33 1.31 1.99 2.64 1.73 0.87 0.51 0.85 0.13
MAX 3.87 3.70 3.46 3.04 4.40 3.41 1.62 2.37 2.93 2.59 3.36 4.23 18.77
MIN 0.12 0.18 0.17 0.09 0.00 0.01 0.00 0.00 0.00 0.00 0.14 0.09 6.64
NO YRS 74 74 74 73 73 73 73 73 73 73 73 73 73