GUAM WSMO, PACIFIC OCEAN

Monthly Total Precipitation (inches)

(914229)

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
1957 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 20.59 18.14 2.04 j 38.73
1958 7.91 2.23 1.56 b 1.88 h 3.87 11.53 12.89 3.26 o 10.88 e 12.12 5.80 4.62 73.41
1959 2.30 j 2.27 2.08 3.22 0.90 2.27 6.15 11.56 18.39 10.76 11.71 6.31 75.62
1960 2.71 0.67 1.73 1.44 5.69 7.54 7.93 14.82 9.35 11.78 11.30 6.23 81.19
1961 5.10 i 2.43 a 4.85 4.28 5.37 5.90 8.10 16.61 15.40 19.17 5.31 4.35 91.77
1962 2.24 9.17 1.66 8.66 6.68 7.97 14.98 14.12 21.86 14.95 13.09 13.08 128.46
1963 9.33 9.47 2.46 19.55 12.56 7.11 11.25 11.85 13.47 18.06 6.88 16.19 138.18
1964 1.99 4.11 4.44 7.48 20.69 7.49 7.67 8.92 19.30 14.62 6.05 5.37 j 102.76
1965 10.29 1.02 0.59 0.50 1.69 5.35 15.67 3.87 22.27 6.89 6.97 3.13 78.24
1966 2.13 1.69 1.71 1.31 2.51 5.72 6.74 11.39 22.28 6.96 7.26 4.76 74.46
1967 5.26 4.45 11.28 8.97 3.76 8.37 12.62 23.07 20.28 14.20 11.75 2.51 126.52
1968 5.75 8.48 3.71 1.69 3.16 6.17 12.36 11.94 h 10.83 b 13.31 11.92 3.36 80.74
1969 2.79 1.12 0.97 1.36 2.72 1.52 13.83 9.30 6.79 25.32 10.10 10.11 85.93
1970 11.93 3.60 2.53 j 1.22 2.96 5.60 6.97 g 9.95 c 13.70 11.65 9.77 5.71 76.09
1971 5.25 5.78 16.94 5.74 22.68 5.06 16.06 20.92 12.21 8.63 6.75 2.15 e 128.17
1972 2.15 e 6.40 11.29 3.35 3.02 7.95 20.00 11.12 s 16.09 7.09 4.83 6.35 88.52
1973 2.10 2.94 1.57 1.90 3.01 4.85 9.55 6.50 9.05 17.82 2.08 5.35 66.72
1974 4.27 3.13 12.25 14.83 12.00 10.46 9.32 25.66 9.96 10.00 8.03 6.20 126.11
1975 9.68 1.15 2.25 3.67 1.33 2.46 11.13 22.54 8.86 10.68 12.35 6.42 92.52
1976 20.39 13.56 9.04 4.37 40.13 6.40 13.38 24.40 10.79 6.63 7.91 8.91 165.91
1977 3.12 3.01 4.98 2.29 6.88 5.10 7.25 6.09 17.32 16.67 12.38 2.22 87.31
1978 2.44 4.99 0.85 2.65 3.48 7.89 8.91 19.63 10.01 10.49 14.10 4.80 90.24
1979 5.60 1.85 4.20 1.89 1.48 4.28 11.83 12.75 8.34 26.05 6.78 5.67 90.72
1980 2.07 14.79 3.42 2.92 8.60 7.96 10.93 9.42 24.34 12.02 7.76 6.14 110.37
1981 9.05 2.44 3.88 6.61 5.68 6.11 13.18 17.29 9.73 14.92 15.57 7.20 111.66
1982 2.92 8.77 2.46 0.99 6.35 8.77 13.61 6.32 27.13 11.86 9.34 6.33 104.85
1983 1.31 1.21 3.34 1.83 1.10 0.80 6.15 10.88 14.62 10.17 10.52 5.13 67.06
1984 3.19 4.19 4.02 1.56 3.10 6.69 6.58 24.05 17.41 9.40 12.93 5.89 99.01
1985 8.16 3.69 5.53 5.62 11.95 14.61 13.23 15.97 18.06 8.33 4.96 8.40 118.51
1986 2.01 8.71 5.60 8.36 7.77 9.08 17.41 24.87 8.02 8.36 a 6.05 12.43 118.67
1987 2.63 5.94 2.36 1.35 0.64 1.61 12.30 8.50 14.41 12.18 7.91 6.64 76.47
1988 8.71 1.30 1.50 2.95 2.33 7.93 14.37 9.21 10.67 14.56 5.54 4.33 83.40
1989 3.31 9.95 1.01 10.93 4.30 9.27 11.64 13.27 14.38 12.74 10.52 4.07 105.39
1990 5.93 a 3.72 2.64 2.52 4.95 6.28 14.49 17.25 22.00 8.46 16.41 7.35 112.00
1991 4.85 0.00 z 1.79 6.33 4.40 7.28 13.33 18.62 11.27 14.49 13.72 3.29 99.37
1992 9.81 1.75 2.28 2.57 6.23 3.40 10.08 23.96 a 5.95 15.01 12.91 2.17 96.12
1993 1.17 4.62 1.51 1.13 1.85 3.03 6.97 14.74 12.04 9.68 8.03 5.63 70.40
1994 5.22 2.83 4.70 3.29 7.42 4.19 14.35 9.23 21.39 12.12 4.40 7.56 96.70
1995 4.08 1.90 0.00 z 3.09 6.67 6.20 7.03 14.25 18.65 17.74 8.13 5.85 93.59
1996 11.86 7.21 3.40 5.14 3.28 5.34 16.40 12.48 19.38 9.37 16.05 7.30 117.21
1997 7.60 2.39 1.66 10.17 1.39 8.96 10.57 38.49 6.29 10.14 10.60 9.67 117.93
1998 0.35 z 0.88 r 1.66 g 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 0.00
1999 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 0.00 z 0.00 z 0.00 z 0.00
2000 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 0.00 z 0.00 z 0.00 z 0.00
2001 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 0.00 z 0.00 z 0.00 z 0.00
2002 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 0.00 z 0.00 z 0.00 z 0.00
2003 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 0.00 z 0.00 z 0.00 z 0.00
2004 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 0.00 z 0.00 z 0.00 z 0.00
2005 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 0.00 z 0.00 z 0.00 z 0.00
2006 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 0.00 z 0.00 z 0.00 z 0.00
2007 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 0.00 z 0.00 z 0.00 z 0.00
2008 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 0.00 z 0.00 z 0.00 z 0.00
2009 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 0.00 z 0.00 z 0.00 z 0.00
2010 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 0.00 z 0.00 z 0.00 z 0.00
2011 9.11 6.21 4.12 5.56 5.77 5.96 20.54 15.00 16.37 15.45 6.14 5.24 115.47
2012 6.50 2.85 4.45 3.05 7.63 6.63 6.74 26.42 15.79 9.69 h 0.00 z 0.00 z 80.06
Period of Record Statistics
MEAN 5.67 4.59 4.00 4.54 6.38 6.36 11.65 15.49 14.65 12.89 9.49 6.23 102.56
S.D. 3.95 3.43 3.53 3.99 7.11 2.74 3.73 7.24 5.40 4.55 3.73 2.96 23.12
SKEW 1.44 1.23 1.99 1.86 3.08 0.32 0.33 0.87 0.31 1.04 0.35 1.32 0.45
MAX 20.39 14.79 16.94 19.55 40.13 14.61 20.54 38.49 27.13 26.05 18.14 16.19 165.91
MIN 1.17 0.67 0.59 0.50 0.64 0.80 6.15 3.87 5.95 6.63 2.08 2.15 66.72
NO YRS 40 41 40 41 42 42 41 39 42 42 42 40 32