GRAND CANYON NP 2, s

Monthly Precipitation - Daily Extreme (inches)

(023596)

File last updated on Apr 3, 2013
*** Note *** Provisional Data *** After Year/Month 201203
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
1976 9999.00 z 9999.00 z 9999.00 z 9999.00 z 0.51 0.21 0.83 0.09 0.82 0.12 0.00 0.05 0.83
1977 0.55 0.00 0.22 0.27 0.46 0.39 0.51 0.38 0.28 0.46 0.57 0.23 0.57
1978 0.94 0.58 1.12 0.46 0.43 0.00 0.24 0.18 0.40 0.61 1.95 1.61 1.95
1979 0.53 0.38 1.13 0.24 0.65 0.48 0.32 0.28 9999.00 z 1.13 0.48 0.47 1.13
1980 0.70 0.89 0.56 0.57 0.24 0.00 1.21 1.10 0.61 0.78 0.02 0.35 1.21
1981 0.26 0.50 0.60 0.62 0.27 0.36 1.46 0.90 2.32 1.15 0.52 0.24 2.32
1982 0.56 0.91 0.63 1.02 0.36 0.00 0.86 0.86 0.89 0.70 0.86 1.20 1.20
1983 0.37 0.91 1.08 0.46 0.09 0.00 3.14 0.74 1.09 0.49 0.76 0.48 3.14
1984 0.24 9999.00 z 0.38 0.28 0.03 0.68 1.08 1.36 0.20 0.40 0.55 0.73 1.36
1985 0.77 0.47 0.80 0.62 0.29 0.24 0.47 0.24 0.41 0.32 1.05 0.18 1.05
1986 0.16 1.11 0.51 1.40 0.65 0.17 0.23 0.37 0.48 1.22 1.04 0.65 1.40
1987 0.35 0.63 0.43 0.42 0.30 0.80 0.60 0.62 0.50 0.65 0.66 0.31 0.80
1988 0.83 1.17 0.08 0.97 0.15 1.10 0.17 0.79 0.12 0.36 0.69 0.22 1.17
1989 0.91 0.51 0.36 9999.00 z 0.28 0.00 0.07 1.80 0.10 0.00 a 9999.00 z 0.08 1.80
1990 0.39 1.41 0.40 0.59 0.21 0.22 0.23 1.09 1.10 0.35 0.33 0.78 1.41
1991 1.01 0.49 1.14 0.00 0.09 0.17 1.40 0.12 0.49 0.28 0.89 0.59 1.40
1992 0.36 0.32 0.76 0.00 0.51 0.10 0.86 1.70 1.19 0.49 0.04 1.20 a 1.70
1993 1.04 1.35 0.47 0.00 a 0.22 0.44 0.00 1.20 0.20 1.18 0.23 0.46 a 1.35
1994 0.35 0.58 0.46 0.33 0.03 0.05 0.91 0.54 0.34 0.89 0.45 0.56 0.91
1995 1.12 a 1.03 1.44 0.58 0.23 0.17 1.50 0.87 0.68 0.00 0.59 0.09 1.50
1996 0.22 0.54 0.33 0.13 0.05 0.00 1.68 0.49 1.15 0.29 0.97 9999.00 z 1.68
1997 0.59 0.38 a 9999.00 z 9999.00 z 9999.00 z 0.67 1.04 0.70 1.78 9999.00 z 9999.00 z 9999.00 z 1.78
1998 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 1.14 0.30 0.27 1.14
1999 0.21 0.39 0.07 0.48 0.62 0.49 1.92 1.44 0.87 0.00 0.00 0.07 1.92
2000 0.91 0.37 0.48 0.25 0.00 0.09 0.10 0.62 0.14 1.20 0.33 b 0.12 1.20
2001 1.02 0.34 0.68 0.30 0.20 0.02 0.90 3.28 0.14 0.31 0.33 1.71 3.28
2002 0.38 0.10 0.43 0.14 0.00 0.00 1.04 0.18 0.83 0.18 0.29 b 0.50 1.04
2003 0.58 0.75 0.70 0.22 0.21 0.00 0.32 0.98 0.17 0.51 0.47 0.18 0.98
2004 0.45 0.36 0.15 0.82 0.00 0.17 1.61 0.98 2.56 2.08 1.60 1.08 b 2.56
2005 1.16 0.53 0.36 0.30 0.11 0.17 0.47 0.41 0.12 0.35 0.05 0.12 1.16
2006 0.22 0.05 0.48 c 0.37 0.00 0.06 0.18 0.89 0.39 1.30 0.02 0.17 1.30
2007 0.34 a 0.30 0.52 0.23 1.46 0.00 0.96 0.69 a 0.88 0.40 0.16 1.60 1.60
2008 0.76 b 0.25 0.18 a 0.00 0.00 0.47 0.52 0.66 a 0.07 0.22 0.18 0.70 0.76
2009 0.17 e 0.00 e 0.00 0.25 0.47 9999.00 z 0.44 b 0.45 0.09 0.11 A 0.02 0.57 e 0.57
2010 1.45 a 0.60 e 0.42 e 0.25 a 0.00 0.15 0.69 0.82 a 0.05 a 1.15 0.34 0.95 A 1.45
2011 0.46 y 0.90 b 0.60 0.32 p 0.00 z 9999.00 z 9999.00 z 9999.00 z 0.90 e 0.47 0.83 0.15 a 0.90
2012 0.20 0.57 1.24 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 1.24
Period of Record Statistics
MEAN 0.59 0.58 0.56 0.41 0.28 0.24 0.82 0.82 0.66 0.62 0.52 0.55 1.50
S.D. 0.34 0.36 0.35 0.32 0.29 0.27 0.66 0.61 0.61 0.47 0.45 0.47 0.68
SKEW 0.60 0.55 0.73 1.19 2.06 1.37 1.38 2.03 1.53 0.97 1.24 1.10 1.27
MAX 1.45 1.41 1.44 1.40 1.46 1.10 3.14 3.28 2.56 2.08 1.95 1.71 3.28
MIN 0.16 0.00 0.00 0.00 0.00 0.00 0.00 0.09 0.05 0.00 0.00 0.05 0.57
NO YRS 34 34 34 31 33 33 34 34 34 34 34 34 26