OROVILLE, CALIFORNIA

Monthly Precipitation - Daily Extreme (inches)

(046521)

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
1953 9999.00 z 9999.00 z 9999.00 z 1.56 u 0.62 0.35 0.00 0.45 0.00 0.80 1.17 0.35 1.56
1954 2.05 1.12 1.23 1.46 0.17 0.23 0.00 0.15 0.00 0.10 1.48 0.95 2.05
1955 0.87 1.05 0.30 0.74 0.05 b 0.00 0.00 0.00 0.24 0.77 0.83 2.80 2.80
1956 2.61 1.18 j 0.04 0.58 1.24 0.10 0.00 0.00 0.80 1.38 0.07 0.10 2.61
1957 1.41 1.18 A 0.42 0.85 0.72 0.02 0.00 i 0.00 c 1.30 A 1.12 0.32 1.48 1.48
1958 1.38 A 1.74 0.99 1.59 0.60 0.38 0.00 0.00 0.32 0.61 0.28 0.93 1.74
1959 1.38 1.76 0.68 A 0.18 0.20 0.00 0.00 0.00 1.55 0.00 d 0.00 1.25 1.76
1960 0.95 0.85 1.53 0.83 0.75 0.00 0.01 0.00 0.00 0.26 2.40 1.03 2.40
1961 1.55 a 1.25 1.56 0.93 0.31 0.45 0.00 0.00 0.11 0.16 1.00 1.02 1.56
1962 0.87 2.00 1.40 0.28 0.76 0.24 0.00 0.07 d 0.03 5.06 1.42 1.41 5.06
1963 1.81 1.26 1.75 1.76 0.94 0.76 0.00 0.00 0.24 2.21 1.32 0.46 2.21
1964 3.25 0.14 0.67 0.81 0.18 0.18 0.00 0.00 0.36 1.04 1.81 1.48 3.25
1965 1.48 0.64 0.44 0.99 0.41 0.02 0.00 1.04 0.10 0.01 1.51 1.02 1.51
1966 1.90 0.71 0.24 0.90 0.08 0.04 0.01 0.00 0.01 0.00 2.33 1.18 2.33
1967 2.51 0.53 1.71 1.04 0.27 0.83 0.00 0.03 0.08 0.26 0.81 0.88 2.51
1968 1.96 1.18 1.76 0.13 0.47 0.71 0.02 0.26 0.00 1.55 0.86 1.43 1.96
1969 3.35 1.53 0.76 1.35 0.00 0.31 0.00 0.00 0.00 0.92 1.25 2.40 3.35
1970 3.12 1.05 2.62 0.60 0.00 0.24 0.00 0.00 0.00 0.68 2.53 1.61 3.12
1971 0.50 0.20 0.99 0.24 0.29 0.14 0.00 0.00 0.30 0.08 0.66 1.08 1.08
1972 1.01 0.49 0.47 0.44 0.53 0.42 0.00 0.00 0.32 0.59 1.00 9999.00 z 1.01
1973 2.85 1.48 0.73 0.08 0.20 0.13 0.00 0.00 0.24 0.78 1.38 1.77 2.85
1974 1.84 0.68 1.47 0.95 A 0.08 0.20 1.59 0.00 0.00 1.00 0.66 1.20 1.84
1975 0.68 2.96 1.12 0.49 0.10 0.21 0.02 0.24 9999.00 z 9999.00 z 9999.00 z 9999.00 z 2.96
1976 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
1977 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
1978 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
1979 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
1980 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
1981 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
1982 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 2.55 2.42 2.55
1983 1.96 1.03 2.05 1.05 0.38 0.44 0.06 0.04 0.35 0.68 a 2.87 2.55 2.87
1984 0.45 0.77 A 0.93 0.61 0.05 0.00 0.00 0.99 0.00 1.10 b 9999.00 z 0.70 1.10
1985 0.60 A 1.50 1.00 A 0.02 0.00 0.00 0.00 e 0.01 1.09 1.05 1.80 A 0.77 a 1.50
1986 2.65 A 2.50 1.50 0.70 1.63 A 0.00 0.00 0.00 1.94 A 0.37 1.34 1.36 2.50
1987 0.89 1.44 1.32 0.02 0.00 0.00 0.04 0.00 0.00 0.60 9999.00 z 1.80 1.80
1988 1.21 9999.00 z 9999.00 z 1.62 0.39 9999.00 z 9999.00 z 0.00 0.00 0.00 2.45 0.87 2.45
1989 0.54 0.70 1.98 0.26 0.05 9999.00 z 0.00 0.12 0.95 0.70 1.18 0.00 1.98
1990 1.52 0.91 0.74 0.24 9999.00 z 0.00 0.00 0.06 0.18 1.03 0.61 1.38 1.52
1991 0.65 1.01 2.51 0.34 0.72 0.32 0.00 0.05 0.00 0.97 0.28 1.60 2.51
1992 0.88 1.55 1.34 1.14 0.03 0.47 0.00 0.00 0.00 1.31 0.30 1.58 1.58
1993 1.92 2.25 1.48 1.09 1.50 0.20 0.00 1.50 0.00 0.42 1.29 1.41 2.25
1994 0.73 2.49 0.34 0.34 0.63 0.00 0.00 0.00 0.00 0.78 1.35 2.00 2.49
1995 3.79 0.29 1.99 0.80 0.83 0.78 0.06 0.00 0.00 0.00 0.06 1.95 3.79
1996 1.32 1.94 0.85 2.00 2.00 9999.00 z 0.00 0.00 0.38 1.90 0.89 1.97 2.00
1997 2.40 0.07 1.07 0.68 0.40 1.00 0.00 0.81 0.39 1.34 1.22 1.00 2.40
1998 2.47 3.41 1.05 0.47 1.63 0.52 0.00 0.00 0.20 2.25 2.89 0.95 3.41
1999 1.10 c 1.76 d 0.70 0.72 0.27 b 0.30 0.00 0.00 0.00 1.10 0.62 b 0.17 1.76
2000 1.80 d 2.30 A 1.85 d 0.63 b 0.58 f 0.60 a 0.00 0.00 0.00 0.43 g 0.20 a 0.48 a 1.85
2001 1.85 A 2.00 b 0.87 0.70 0.00 0.00 0.00 0.00 0.00 0.00 1.05 1.50 A 2.00
2002 1.50 0.54 0.97 0.56 1.65 0.00 0.00 0.00 0.00 0.00 1.90 1.99 1.99
2003 1.15 0.48 a 1.01 a 1.96 A 0.78 0.00 0.00 0.60 0.00 0.25 1.53 1.27 a 1.53
2004 2.55 b 1.98 b 0.86 0.17 0.74 A 0.00 0.00 0.00 0.50 0.95 c 1.50 2.00 2.55
2005 1.22 d 0.77 0.87 0.55 0.88 9999.00 z 0.00 0.00 0.06 0.71 A 1.69 A 2.00 A 1.22
2006 0.99 1.74 2.00 a 1.38 0.34 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 9999.00 z 2.00
Period of Record Statistics
MEAN 1.64 1.28 1.16 0.77 0.53 0.25 0.04 0.14 0.24 0.84 1.23 1.32 2.44
S.D. 0.84 0.76 0.60 0.51 0.52 0.27 0.24 0.33 0.42 0.87 0.78 0.65 0.84
SKEW 0.65 0.68 0.43 0.68 1.17 1.00 6.37 2.70 2.49 2.72 0.44 0.09 1.07
MAX 3.79 3.41 2.62 2.00 2.00 1.00 1.59 1.50 1.94 5.06 2.89 2.80 5.06
MIN 0.45 0.07 0.04 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.08
NO YRS 46 43 45 46 45 42 44 46 44 44 43 44 28