PLAINS sta,

Monthly Precipitation - Daily Extreme (inches)

(417074)

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
1925 0.40 0.00 0.02 0.42 0.80 0.07 1.52 0.82 0.04 0.60 0.18 0.30 1.52
1926 0.20 0.00 0.55 1.68 1.30 0.41 1.39 2.52 1.35 0.75 0.23 0.44 2.52
1927 0.05 0.14 0.00 0.32 0.23 0.69 0.93 0.45 0.58 0.17 0.00 0.40 0.93
1928 0.17 0.32 0.09 0.16 0.55 1.00 0.50 2.30 0.15 1.20 9999.00 z 9999.00 z 2.30
1929 9999.00 z 9999.00 z 2.10 9999.00 z 1.55 1.30 0.60 0.25 1.40 1.10 9999.00 z 9999.00 z 2.10
1930 0.60 9999.00 z 0.50 0.85 0.48 0.80 0.32 9999.00 z 0.00 9999.00 z 9999.00 z 9999.00 z 0.85
1931 9999.00 z 9999.00 z 9999.00 z 1.27 1.10 0.14 0.86 1.73 0.00 0.65 0.42 0.60 1.73
1932 0.00 0.85 0.37 1.35 1.35 2.80 0.70 3.20 2.00 0.55 9999.00 z 1.30 3.20
1933 0.00 9999.00 z 0.35 0.00 0.40 0.00 2.10 2.15 1.00 0.48 1.15 0.00 2.15
1934 0.00 9999.00 z 1.50 2.00 0.60 0.80 9999.00 z 2.00 0.65 0.00 0.20 9999.00 z 2.00
1935 0.00 0.90 0.95 9999.00 z 0.54 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.95
1936 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1937 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1938 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1939 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1940 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1941 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1942 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1943 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1944 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1945 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00
1946 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.22 0.79 0.79
1947 9999.00 z 0.00 0.41 0.21 0.72 0.14 0.76 l 0.07 a 0.53 0.10 0.38 0.18 0.76
1948 0.18 0.84 0.00 0.89 0.28 0.76 2.27 1.52 1.12 0.41 0.00 0.11 2.27
1949 0.85 0.07 0.11 0.54 2.14 0.71 0.31 1.41 1.25 0.36 0.00 0.22 2.14
1950 0.17 d 0.00 c 0.00 0.12 1.53 0.87 2.70 0.73 2.50 0.06 0.00 0.00 2.70
1951 0.05 0.37 0.15 0.04 1.90 0.46 0.46 1.80 0.16 0.38 0.04 0.00 1.90
1952 0.01 n 0.35 0.04 0.43 1.03 0.68 0.65 0.16 0.87 0.00 0.20 0.00 1.03
1953 0.35 0.13 0.27 0.53 0.35 0.50 1.02 0.80 0.24 1.88 0.01 0.12 1.88
1954 0.00 0.00 0.00 2.15 2.47 0.75 0.88 1.05 1.15 1.95 0.05 0.21 2.47
1955 0.50 0.01 0.11 0.54 0.56 0.37 1.14 k 0.17 0.39 6.00 0.21 0.00 6.00
1956 0.00 0.98 0.00 0.09 a 0.82 1.24 0.62 0.46 0.00 1.53 0.01 0.18 1.53
1957 0.08 0.46 0.39 0.67 0.89 0.96 3.05 0.67 0.30 1.71 0.25 0.09 3.05
1958 1.28 A 0.33 0.45 0.76 A 0.28 0.68 1.32 0.13 5.55 0.51 0.49 0.00 5.55
1959 0.04 0.05 0.03 0.78 0.50 1.69 0.64 0.45 0.47 1.17 0.02 0.70 1.69
1960 0.38 0.16 0.64 0.03 0.68 0.96 6.11 0.17 0.10 2.01 0.02 1.21 6.11
1961 0.59 1.77 0.34 0.05 0.31 0.75 0.91 0.89 0.78 0.06 1.16 0.19 1.77
1962 0.21 0.20 0.10 0.38 0.16 1.76 1.09 0.16 1.41 1.00 0.35 0.14 1.76
1963 0.00 0.23 0.05 0.47 0.93 2.21 0.94 1.39 0.20 0.63 0.45 0.23 2.21
1964 0.12 0.12 9999.00 z 9999.00 z 9999.00 z 0.48 k 0.20 0.75 0.60 0.04 0.20 0.42 0.75
1965 0.00 0.25 0.00 0.17 0.38 1.85 1.31 1.08 0.79 0.23 0.00 0.50 1.85
1966 0.13 9999.00 z 0.00 0.00 0.00 0.75 0.32 5.40 1.40 0.00 0.40 0.04 5.40
1967 0.00 0.03 0.09 0.11 0.00 2.20 1.58 0.21 2.00 0.43 0.09 0.54 2.20
1968 0.74 0.33 0.90 0.40 0.82 0.37 1.80 1.25 0.15 0.45 0.75 0.32 1.80
1969 0.05 0.72 0.83 0.79 2.15 0.48 0.28 0.76 2.75 1.96 0.16 0.23 2.75
1970 0.00 0.20 1.65 0.40 0.52 1.40 0.30 0.80 0.50 0.60 0.00 0.05 1.65
1971 0.00 0.00 c 0.00 0.40 1.10 0.24 0.60 1.20 1.44 0.48 0.29 0.77 1.44
1972 0.04 0.00 0.56 0.00 1.40 0.58 0.76 1.78 1.91 0.70 0.46 0.22 1.91
1973 0.53 0.98 0.78 3.30 A 0.43 0.12 0.51 0.08 0.38 0.72 0.00 0.00 0.98
1974 0.13 0.00 0.73 0.81 1.13 0.45 1.25 2.00 1.83 1.14 0.24 0.50 2.00
1975 0.17 0.60 0.00 0.50 1.96 0.80 1.15 0.28 1.10 0.13 0.20 0.38 1.96
1976 0.00 0.40 0.05 0.30 0.44 0.30 0.80 1.60 0.90 0.83 0.50 0.00 1.60
1977 0.07 0.26 0.93 2.50 0.46 b 1.37 0.67 0.58 0.26 0.22 0.09 0.08 2.50
1978 0.31 0.46 0.05 0.23 0.81 1.50 0.12 0.82 0.55 0.70 1.70 0.04 1.70
1979 0.10 0.80 0.13 0.11 1.14 1.50 1.04 1.09 0.00 0.20 0.20 0.72 1.50
1980 1.30 0.50 0.15 0.64 9999.00 z 9999.00 z 0.00 0.57 2.00 0.03 0.68 0.08 2.00
1981 0.00 0.00 0.23 i 0.87 b 1.70 1.18 1.39 1.26 3.00 A 2.00 0.00 0.00 2.00
1982 0.68 0.06 0.00 0.37 1.51 1.23 4.03 0.00 2.14 0.53 0.28 2.00 4.03
1983 0.81 0.12 0.00 0.00 1.25 0.32 1.03 0.66 0.00 1.35 0.23 0.01 n 1.35
1984 0.00 0.00 9999.00 z 0.00 1.16 1.27 0.87 1.03 1.05 1.20 1.24 0.66 1.27
1985 9999.00 z 0.41 0.74 0.18 0.63 1.60 1.90 0.47 2.60 3.80 0.27 0.00 3.80
1986 9999.00 z 9999.00 z 0.00 b 0.00 1.73 1.75 0.65 1.76 0.70 0.82 1.13 1.30 1.76
1987 0.51 0.70 0.10 0.00 1.36 1.33 0.60 2.08 0.70 0.50 0.00 1.28 2.08
1988 0.00 2.00 A 0.00 0.80 0.97 1.63 4.20 9999.00 z 2.00 0.00 0.00 0.92 4.20
1989 0.00 0.30 0.94 0.00 0.30 2.05 1.27 1.84 0.55 0.00 0.00 0.10 2.05
1990 0.74 1.30 0.27 0.90 0.30 a 0.16 3.80 0.80 0.97 0.30 0.73 0.33 3.80
1991 0.80 0.70 0.72 0.00 0.20 0.65 1.04 1.00 0.00 t 0.35 1.43 A 1.12 1.12
1992 0.68 0.44 0.87 0.16 1.80 1.35 1.40 1.18 0.00 0.06 1.20 0.27 1.80
1993 0.43 0.14 0.44 0.96 a 0.18 0.46 1.23 a 0.43 0.41 0.82 0.32 0.00 1.23
1994 0.08 0.03 0.25 0.40 1.23 0.00 1.05 0.26 A 0.34 0.17 0.29 0.00 1.23
1995 0.21 0.25 0.30 0.33 0.88 1.01 0.68 2.37 2.29 0.00 0.00 0.10 2.37
1996 0.09 0.00 0.08 0.59 1.05 0.86 0.54 2.23 0.60 0.15 0.27 0.00 2.23
1997 0.41 0.67 0.07 1.67 1.05 1.02 a 0.55 1.70 0.45 0.96 0.30 0.85 1.70
1998 9999.00 z 0.37 0.65 0.14 0.00 0.11 0.15 1.48 0.41 0.48 0.00 9999.00 z 1.48
1999 0.35 0.00 2.77 4.00 1.46 0.96 1.52 1.65 2.82 0.40 0.00 0.31 4.00
2000 0.15 0.01 1.04 0.83 0.07 2.13 0.20 9999.00 z 0.00 0.93 0.89 0.00 b 2.13
2001 0.52 0.10 1.67 0.06 0.87 0.13 0.34 0.91 0.86 0.22 0.40 0.09 1.67
2002 0.37 0.39 1.85 j 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.85
2003 9999.00 z 9999.00 z 9999.00 z 0.00 0.66 0.49 0.44 0.86 0.73 0.40 0.20 0.00 0.86
2004 0.66 1.14 1.05 1.80 0.05 0.50 0.44 0.55 6.35 A 4.14 2.76 A 0.20 4.14
2005 0.43 A 0.68 0.22 0.29 A 3.08 A 0.10 1.61 2.65 a 0.15 1.62 0.00 0.00 2.65
2006 0.00 0.00 1.26 0.40 0.06 1.13 1.14 A 3.10 A 2.00 0.47 0.20 0.77 2.00
2007 1.15 0.06 1.69 A 0.29 A 1.07 e 1.25 d 0.75 A 0.58 1.57 c 0.12 h 0.35 A 0.47 A 1.57
2008 0.00 i 0.00 i 0.24 0.00 h 1.78 l 0.64 j 0.84 A 1.23 A 2.11 A 0.76 A 0.01 0.11 1.78
2009 0.00 0.44 0.06 0.76 0.41 2.30 1.93 0.13 0.34 0.37 0.15 0.29 b 2.30
2010 0.65 1.15 0.54 0.42 0.65 0.62 3.73 A 0.34 0.78 a 0.20 0.16 0.00 1.15
2011 0.00 0.01 0.00 0.00 0.40 0.00 0.56 0.02 0.82 0.57 0.03 0.43 0.82
2012 0.15 0.13 0.17 0.31 1.32 0.13 0.71 0.52 0.91 0.92 i 9999.00 z 9999.00 z 1.32
Period of Record Statistics
MEAN 0.29 0.37 0.46 0.61 0.88 0.90 1.19 1.09 1.07 0.80 0.35 0.34 2.21
S.D. 0.33 0.43 0.57 0.76 0.64 0.65 1.09 0.91 1.14 1.00 0.48 0.42 1.09
SKEW 1.25 1.64 1.79 2.35 0.92 0.69 2.26 1.78 2.35 2.95 2.56 1.68 1.85
MAX 1.30 2.00 2.77 4.00 3.08 2.80 6.11 5.40 6.35 6.00 2.76 2.00 6.11
MIN 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.82
NO YRS 68 68 71 72 73 72 71 70 73 71 71 68 46