PAGO PAGO WSO AIRPORT, PACIFIC OCEAN

Monthly Total Precipitation (inches)

(914690)

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201208
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
1966 0.00 z 0.00 z 0.00 z 10.42 20.48 9.17 6.40 7.62 8.46 18.63 5.76 15.93 e 102.87
1967 6.25 e 8.60 4.95 19.20 j 9.97 11.74 7.14 g 0.00 z 4.22 b 15.92 15.30 16.36 93.31
1968 4.65 32.66 11.69 12.60 7.00 2.71 3.56 4.57 8.01 18.88 4.27 6.24 116.84
1969 17.95 11.71 11.93 15.95 4.91 3.96 11.42 7.35 2.26 10.05 7.13 j 16.68 114.17
1970 9.43 8.87 21.62 13.58 8.78 12.16 4.68 8.10 7.69 5.69 7.98 26.38 134.96
1971 11.48 14.33 7.69 11.70 4.77 12.03 3.16 5.24 2.61 7.25 9.24 6.67 96.17
1972 17.77 11.17 9.45 6.50 6.55 3.67 7.35 5.61 25.29 10.44 6.48 20.30 130.58
1973 22.14 8.44 4.94 9.74 7.93 6.09 8.12 8.58 5.15 16.19 18.93 14.90 131.15
1974 9.26 9.46 9.67 8.80 8.07 5.40 0.72 1.19 0.99 2.44 12.73 9.16 77.89
1975 22.13 9.88 6.57 22.77 17.88 5.21 8.17 2.95 5.57 2.10 7.69 14.15 125.07
1976 5.69 13.36 4.01 10.31 18.98 7.11 8.73 4.09 5.17 3.50 12.19 21.38 114.52
1977 7.29 6.30 11.64 6.98 20.21 5.19 2.92 2.40 3.12 10.06 14.81 6.86 97.78
1978 21.36 9.52 25.64 9.24 8.71 2.62 3.48 16.46 4.71 10.00 25.67 15.62 153.03
1979 12.70 14.43 9.03 9.53 4.23 7.86 8.83 7.19 9.12 11.73 7.89 8.41 110.95
1980 9.73 7.47 14.84 6.52 19.50 11.90 4.14 13.97 15.47 21.48 7.43 13.44 145.89
1981 14.25 14.23 25.37 22.00 9.25 9.47 10.19 10.64 4.04 16.38 10.08 19.58 165.48
1982 9.09 30.25 7.68 4.13 7.90 4.22 6.96 16.20 6.30 4.38 6.35 2.84 106.30
1983 9.45 12.09 6.07 10.97 1.61 2.71 1.12 2.11 7.78 7.17 13.23 13.05 87.36
1984 9.70 8.03 19.34 6.70 4.79 7.44 1.86 4.25 5.23 15.21 8.08 26.95 117.58
1985 16.71 8.27 5.00 18.66 10.41 12.60 3.84 5.76 9.56 10.39 9.24 6.27 116.71
1986 24.88 9.47 6.88 18.83 12.33 5.69 8.79 5.05 17.67 8.87 8.82 22.60 149.88
1987 17.05 15.01 10.09 8.05 5.51 4.02 3.86 6.29 0.63 3.87 3.83 16.42 94.63
1988 8.34 9.32 12.76 10.57 9.76 6.15 9.42 3.98 6.78 9.21 16.10 24.39 126.78
1989 18.37 14.69 8.20 13.60 7.51 5.43 9.56 0.29 1.35 9.78 17.88 14.12 120.78
1990 8.87 22.54 9.90 13.01 3.52 6.31 4.82 2.45 3.68 9.68 11.25 9.30 105.33
1991 13.67 21.01 9.02 9.45 11.25 7.86 9.16 4.36 3.40 9.63 10.20 22.55 131.56
1992 15.40 12.44 13.76 28.35 10.67 1.97 5.22 6.33 6.95 6.59 22.79 8.94 139.41
1993 23.47 7.27 17.26 12.51 8.82 3.89 4.12 8.61 9.28 9.32 8.34 12.62 125.51
1994 10.37 6.78 10.96 22.65 18.96 3.80 15.68 11.83 11.56 17.26 15.52 16.69 162.06
1995 16.40 14.69 13.39 9.07 9.55 5.23 7.27 17.22 7.75 6.42 14.95 2.25 124.19
1996 11.93 11.84 11.12 7.48 10.87 6.65 3.45 1.38 10.52 29.59 6.86 10.75 122.44
1997 17.61 11.91 7.91 5.97 9.29 3.51 3.68 7.94 6.00 5.89 5.29 7.84 92.84
1998 10.64 2.02 12.70 0.74 1.64 0.00 1.42 1.59 4.30 6.31 3.22 10.46 55.04
1999 11.36 14.50 5.48 5.02 29.10 6.29 3.41 5.71 14.16 8.72 10.54 12.50 126.79
2000 13.43 13.54 18.24 4.85 13.40 7.93 3.34 3.21 6.77 11.08 9.04 10.41 115.24
2001 6.39 13.67 15.21 6.62 4.79 4.61 4.69 3.03 4.72 8.80 8.54 15.77 96.84
2002 7.42 4.85 12.56 17.84 11.20 5.92 10.42 5.90 1.62 11.87 15.26 7.94 112.80
2003 7.41 9.11 10.41 9.33 19.59 7.69 12.43 6.78 4.32 6.48 21.39 16.77 131.71
2004 12.31 13.65 13.60 7.40 5.11 3.76 7.11 2.67 4.95 11.52 4.00 9.68 95.76
2005 13.25 10.55 12.94 14.50 10.78 13.32 5.43 13.56 14.43 6.75 9.69 24.89 150.09
2006 23.87 29.28 8.50 5.15 7.86 5.07 8.27 8.75 15.83 9.75 16.09 21.63 160.05
2007 21.01 10.35 20.31 4.66 17.34 3.44 5.67 4.74 17.02 16.18 14.61 9.86 145.19
2008 22.15 4.90 10.08 12.89 19.83 12.00 4.46 3.59 6.13 3.23 11.87 18.51 129.64
2009 11.34 7.62 9.99 9.28 19.17 3.65 9.96 10.41 6.28 7.53 16.65 27.40 139.28
2010 28.31 15.83 4.99 10.33 6.61 5.05 8.30 4.32 9.68 15.33 9.15 12.34 130.24
2011 25.72 13.39 5.77 4.01 3.69 7.01 2.31 3.85 1.92 12.67 15.91 9.69 105.94
2012 8.14 11.76 14.00 8.41 12.15 6.13 5.84 a 3.19 0.00 z 0.00 z 0.00 z 0.00 z 69.62
Period of Record Statistics
MEAN 14.05 12.41 11.37 10.82 10.69 6.29 6.17 6.33 7.36 10.44 11.36 14.29 121.36
S.D. 6.17 6.23 5.22 5.69 6.06 3.14 3.27 4.16 5.09 5.45 5.21 6.46 23.32
SKEW 0.54 1.61 0.98 1.05 0.86 0.67 0.56 1.06 1.35 1.10 0.67 0.33 -0.36
MAX 28.31 32.66 25.64 28.35 29.10 13.32 15.68 17.22 25.29 29.59 25.67 27.40 165.48
MIN 4.65 2.02 4.01 0.74 1.61 0.00 0.72 0.29 0.63 2.10 3.22 2.25 55.04
NO YRS 46 46 46 46 47 47 46 46 46 46 45 46 43