OLTON stat,

Monthly Precipitation - Daily Extreme (inches)

(416644)

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
1928 9999.00 z 9999.00 z 9999.00 z 0.05 1.22 1.30 2.85 1.05 0.54 1.24 0.47 0.33 2.85
1929 0.00 0.80 2.92 1.05 1.63 1.27 0.45 1.05 1.38 0.51 0.50 0.15 2.92
1930 0.50 0.00 0.10 0.50 0.40 0.80 0.57 0.82 0.58 2.27 0.64 0.63 2.27
1931 0.25 0.34 1.00 1.31 1.22 0.16 1.96 1.36 0.37 1.18 0.80 0.62 1.96
1932 0.76 0.49 0.05 1.05 1.04 0.95 2.45 1.04 1.70 0.59 0.04 1.15 2.45
1933 0.44 0.20 1.26 0.78 0.92 0.42 0.62 1.30 2.04 0.05 0.60 0.00 2.04
1934 0.00 0.00 1.00 0.80 2.04 0.90 0.09 0.53 0.80 0.20 1.15 0.00 2.04
1935 0.40 0.48 0.19 0.09 9999.00 z 9999.00 z 1.08 0.80 0.16 0.20 1.42 0.16 1.42
1936 0.40 9999.00 z 9999.00 z 9999.00 z 1.76 0.17 0.65 9999.00 z 3.21 0.36 9999.00 z 9999.00 z 3.21
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 2.50 0.75 0.00 0.12 2.50
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 0.40 0.32 0.83 0.85 1.93 0.90 0.77 1.83 2.14 3.37 0.31 0.30 3.37
1942 0.02 0.72 0.00 2.23 0.28 0.90 1.47 0.87 2.40 2.00 0.00 1.50 2.40
1943 0.00 0.00 0.00 0.78 1.33 0.62 1.36 0.00 0.90 0.10 0.45 1.22 1.36
1944 0.64 0.00 0.00 0.00 1.00 1.45 1.00 0.54 1.15 0.48 0.20 0.93 1.45
1945 0.29 0.20 0.00 0.30 0.82 0.63 1.50 2.09 9999.00 z 9999.00 z 9999.00 z 9999.00 z 2.09
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 9999.00 z 9999.00 z 9999.00
1947 9999.00 z 9999.00 z 0.29 0.52 9999.00 z 9999.00 z 0.51 r 9999.00 z 9999.00 z 0.00 u 9999.00 z 9999.00 z 0.52
1948 0.06 h 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 0.06
1949 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
1950 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
1951 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.54 4.29 0.25 1.08 9999.00 z 9999.00 z 9999.00 z 4.29
1952 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 0.32 l 0.12 0.32
1953 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
1954 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
1955 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
1956 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
1957 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
1958 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
1959 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
1960 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
1961 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
1962 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
1963 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
1964 0.11 1.00 0.10 0.00 0.60 1.37 0.39 0.69 0.89 0.07 0.82 0.46 1.37
1965 0.03 0.21 0.19 0.70 0.93 5.94 0.40 0.77 1.21 0.86 0.00 0.17 5.94
1966 0.31 0.02 0.13 0.86 0.40 2.70 0.75 3.67 0.92 0.08 0.20 0.10 3.67
1967 0.00 0.05 0.14 0.28 0.79 2.00 2.16 0.15 0.38 0.05 0.04 0.32 2.16
1968 0.51 0.22 0.43 0.09 1.91 1.41 1.40 1.81 0.76 0.41 0.69 0.19 1.91
1969 0.00 0.36 0.54 0.17 0.94 2.04 0.43 1.55 1.77 1.37 0.62 0.26 2.04
1970 0.03 0.03 1.00 0.87 0.15 0.88 0.23 0.95 0.22 0.24 0.05 0.00 1.00
1971 0.00 1.10 A 0.08 1.40 0.74 0.45 0.55 1.04 2.25 0.77 0.87 1.40 A 2.25
1972 0.01 0.25 0.00 0.02 1.31 1.25 2.20 1.00 1.45 0.76 0.50 9999.00 z 2.20
1973 0.22 0.29 1.26 0.70 9999.00 z 0.25 0.47 0.79 9999.00 z 9999.00 z 9999.00 z 9999.00 z 1.26
1974 9999.00 z 0.02 1.75 0.39 0.29 0.96 0.32 1.34 1.00 0.86 0.13 0.44 1.75
1975 0.15 0.42 0.01 0.81 0.69 0.51 1.05 0.70 1.03 0.00 9999.00 z 0.20 1.05
1976 0.02 0.00 0.11 0.64 0.20 9999.00 z 1.27 0.39 0.68 0.80 0.52 0.00 1.27
1977 0.12 0.15 0.56 1.10 1.73 0.65 0.88 0.70 0.47 0.23 0.07 0.00 1.73
1978 0.32 0.23 0.05 0.16 1.32 0.83 0.35 0.25 2.15 0.34 1.70 0.25 2.15
1979 0.23 0.35 0.36 0.20 1.40 1.83 1.90 3.00 0.45 0.77 0.04 0.48 3.00
1980 0.39 0.35 0.10 9999.00 z 1.63 1.75 0.75 9999.00 z 1.90 0.54 0.96 0.42 1.90
1981 0.33 0.14 9999.00 z 0.70 0.20 0.33 1.72 0.71 q 0.45 1.63 0.42 0.06 1.72
1982 0.05 0.75 a 0.33 0.58 0.92 a 1.05 0.84 1.63 0.29 0.24 0.46 0.65 1.63
1983 1.50 0.40 0.10 0.24 1.10 0.51 0.21 0.24 A 0.16 1.83 A 0.12 0.04 1.50
1984 0.22 a 0.02 0.72 0.03 0.85 0.77 0.59 0.64 b 0.17 0.81 d 0.40 A 0.33 a 0.85
1985 0.30 0.30 a 0.99 0.09 1.17 b 6.30 1.59 a 0.76 b 1.22 A 2.67 9999.00 z 0.23 a 6.30
1986 9999.00 z 9999.00 z 9999.00 z 0.19 0.95 1.82 0.07 2.08 1.11 1.20 1.33 0.63 2.08
1987 0.10 0.32 0.07 0.00 1.20 0.43 0.22 1.51 0.72 0.70 0.63 0.57 1.51
1988 0.14 0.07 0.08 0.68 1.21 1.08 1.91 1.55 A 1.77 0.00 0.11 0.04 1.91
1989 0.00 0.64 0.68 0.00 0.38 1.66 0.52 1.87 1.65 0.00 0.00 0.22 1.87
1990 0.48 0.61 0.42 0.47 0.41 0.50 0.80 3.26 0.51 0.32 0.78 0.16 3.26
1991 0.60 0.00 0.10 0.00 0.51 1.63 1.13 0.82 2.08 0.30 0.20 a 1.20 2.08
1992 0.90 0.35 1.65 0.94 1.22 a 1.20 2.00 1.03 a 0.70 0.00 0.45 0.41 A 2.00
1993 0.81 0.31 0.44 0.52 0.66 0.66 A 1.54 0.17 0.58 0.65 0.32 0.24 i 1.54
1994 0.02 0.00 0.55 0.42 3.00 0.28 1.10 0.56 0.55 0.12 0.40 0.07 3.00
1995 0.14 0.01 0.24 0.45 0.91 A 0.89 0.34 A 0.30 0.91 0.85 0.00 0.94 g 0.94
1996 0.00 0.02 0.00 0.00 0.53 1.15 d 0.92 0.54 1.80 0.21 0.35 0.01 1.80
1997 0.12 0.22 0.00 1.93 0.72 1.63 0.46 b 1.03 A 1.11 0.36 0.36 a 0.94 1.93
1998 0.00 0.74 1.13 0.57 A 0.65 0.57 0.37 1.17 0.00 1.49 0.68 0.30 1.49
1999 1.14 0.03 0.44 0.96 f 3.80 2.18 a 0.45 1.07 1.06 0.47 a 0.00 0.48 3.80
2000 0.03 0.00 1.17 0.89 0.16 2.65 A 0.19 b 0.16 0.00 0.91 0.73 0.30 a 1.17
2001 0.85 0.40 a 1.11 a 0.02 2.33 0.48 0.11 0.87 0.48 0.33 0.88 0.17 2.33
2002 0.86 0.26 0.81 0.12 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.86
2003 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
2004 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.22 0.58 1.38 3.13 1.05 0.20 3.13
2005 0.50 0.57 0.63 0.30 0.40 0.56 1.80 1.32 0.52 a 0.55 0.00 0.01 a 1.80
2006 0.00 0.27 1.30 0.73 0.96 A 0.18 a 1.45 A 2.20 1.24 0.90 0.10 b 1.03 2.20
2007 0.73 d 0.05 1.72 1.30 b 1.10 1.35 0.57 0.90 0.30 b 0.02 f 0.10 A 0.84 m 1.72
2008 0.00 j 0.00 j 0.03 A 0.80 f 1.85 A 0.52 A 0.52 A 1.00 A 0.95 g 0.89 A 0.05 a 0.05 0.95
2009 0.02 0.50 0.06 a 0.88 0.18 1.35 0.00 0.60 0.25 0.73 a 0.12 a 0.40 1.35
2010 0.40 a 1.13 0.60 a 1.70 1.15 1.43 1.45 b 1.25 0.35 1.12 a 0.70 0.10 1.70
2011 0.00 0.20 0.40 0.00 0.16 0.00 1.20 0.60 0.35 a 0.80 0.15 0.40 1.20
2012 0.05 0.20 0.35 0.36 0.40 1.05 0.40 1.15 0.85 0.15 h 9999.00 z 9999.00 z 1.15
Period of Record Statistics
MEAN 0.30 0.30 0.53 0.57 1.01 1.20 1.01 1.07 1.02 0.77 0.44 0.38 2.15
S.D. 0.33 0.29 0.58 0.51 0.70 1.12 0.80 0.74 0.72 0.76 0.40 0.38 0.87
SKEW 1.40 1.12 1.63 1.08 1.54 2.98 1.47 1.44 0.83 1.69 0.99 1.35 2.31
MAX 1.50 1.13 2.92 2.23 3.80 6.30 4.29 3.67 3.21 3.37 1.70 1.50 5.94
MIN 0.00 0.00 0.00 0.00 0.15 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.00
NO YRS 57 57 58 58 57 58 60 58 60 57 56 55 39