ICE HARBOR DAM, WA

Total of Precipitation (Inches)

(453883)

File last updated on March 29, 2024
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)JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDECANN
1957-----z-----z0.08t0.27a1.72 2.59 0.39 0.02 0.76 2.04 0.99 0.91 9.69c
19582.22 1.82 1.34 1.03 0.93 1.01 0.00 0.03 0.16 0.24 1.34 1.63 11.75
19592.31 1.31 0.58 0.57 0.73 0.48 0.05 0.57 1.96 0.49 0.60 0.45 10.10
19600.67 0.57 0.74 0.69 1.70 0.63 0.00 0.92 0.30 1.52 1.34 0.75 9.83
19610.74 1.97 1.54 0.60 1.18 0.71 0.00 0.22 0.44 0.72 0.63 0.90 9.65
19620.22 0.51 1.75 0.43 2.31 0.54 0.00 0.54 0.45 1.43 0.77 1.42 10.37
19630.15 1.32 0.74 1.26 0.73 0.09 0.31 0.04 0.02 0.61 0.98 1.78 8.03
19640.56 0.04 0.09 0.05 0.05 1.22 0.41 0.36 0.06 0.22 1.62 4.18 8.86
19651.78 0.08 0.04 0.92 0.79 0.55 0.30 0.24 0.05 0.10 1.58 0.24 6.67
19661.12 0.15 0.64 0.08 0.10 0.97 0.83 0.00 0.04 0.38 2.40 1.61 8.32
19670.95 0.08 0.54 0.49 0.76 0.35 0.00 0.00 0.35 0.12 0.68 0.30 4.62
19680.56 1.14 0.26 0.05 0.18 0.57 0.07 1.24 0.60 1.27 1.84 1.35 9.13
19692.33 0.47 0.38 1.82 0.60 0.68 0.04 0.00 0.42 0.51 0.44 1.46 9.15
19703.15 1.55 0.89 0.93 0.20 0.32 0.09 0.00 0.46 0.75 1.47 0.47 10.28
19710.60 0.49 1.16 0.22 1.23 1.37 0.00 0.22 0.82 0.28 1.11 2.06 9.56
19720.39 0.62 1.25 0.23 1.01 1.23 0.28 -----z0.23 0.44 0.84 1.80 8.32a
19730.88 0.52 0.27 0.02 0.56 0.20 0.00 0.01 0.79 0.87 3.70 4.03 11.85
19740.78 1.09 1.04 0.73 0.13 0.11 0.30 0.00 0.01 0.21 0.96 1.26 6.62
19752.76 1.32 0.67 0.70 0.34 0.38 0.16 1.06 0.01 1.17 1.78 1.67 12.02
19760.83 0.86 0.29 0.90 0.43 0.14 0.25 1.05 0.03 0.15 0.20 0.51 5.64
19770.23 0.23 0.76 0.06 0.81 0.38 0.16 1.77 0.94 0.25 1.20 2.38 9.17
19781.96 0.99 0.41 2.22 0.78 1.06 0.47 2.59 0.75 0.11 1.11 1.56 14.01
19791.24 1.17 0.75 1.26 -----z0.26 -----z1.12 0.78 1.92 1.89 0.80 11.19b
1980-----z-----z0.81 0.56 1.71 0.79 0.10 0.31 1.30 1.60 0.84 1.98 10.00b
19810.57 1.07 1.07 0.73 2.28 1.27 0.66 0.00 0.60 0.76 1.11 2.06a12.18
19821.44 1.13 0.86 1.30 0.82 0.81 0.18 0.29 1.90 2.28 0.78 2.00 13.79
19831.33 1.70 1.96 0.22 0.40 0.61 0.62 0.19 0.36 1.01 2.66 1.97 13.03
19840.39 1.18 2.15 1.06 -----z1.39 0.02 0.11 0.95 0.42 2.64 0.81 11.12a
19850.38 0.86a0.80 0.19 0.38 0.40 0.00 -----z0.71 0.53 -----z0.52 4.77b
19861.75 1.82 2.45 0.25 1.09 0.00 0.28 0.04 0.96 0.59 1.40 0.81 11.44
19871.19 0.71 1.34 0.27 0.72 0.31 0.23 0.28 0.03 0.00 0.51 1.31 6.90
19881.45 0.13 0.88 1.47 1.17 0.97 0.00 0.00 0.05 0.02 2.22 0.49 8.85
19891.25 1.55 2.54 0.71 1.40 0.35 0.02 0.52 0.01 0.52 1.23 0.79 10.89
19900.71 0.91 1.09 1.34 0.97 0.30 0.23 0.31 0.00 0.98 0.62 0.87 8.33
19910.66 0.67 1.31 0.43 2.93 0.35 0.18 1.01 -----z0.86 2.78 0.96 12.14a
19920.81 2.03 -----z1.09 0.06 1.19 1.40 0.70 0.47 0.31 1.68 1.60a11.34a
19931.13b0.85 1.40 1.31 0.82 -----z0.43 2.47 0.01 0.24 0.21 1.54 10.41a
19941.71 1.01 0.15 1.02 -----z1.42 0.43 0.00 0.21 1.43 2.81 1.36 11.55a
19952.14 0.77 1.51 2.14 0.71 1.80 0.28 0.57 0.67 1.60 1.90 2.04 16.13
19961.78 1.57 1.18 1.71 1.65 0.92 0.61 0.00 0.37 1.71 3.18 2.58 17.26
19971.39 0.97 1.05 1.33 0.65 0.61 0.51 0.07 0.48 1.49 1.19 0.78 10.52
19981.79 0.93 0.71 0.20 1.17 0.78 0.01 0.15 0.16 0.39 2.51 1.55 10.35
19990.99 1.01 0.83 0.33 1.09 0.11 0.02 0.22 0.11 1.02 0.70 0.69 7.12
20001.46 2.04 1.72 0.37 1.29 0.82 0.11 0.00 0.69 1.97 1.09 0.61 12.17
20010.79 0.40 1.53 1.40 0.80 0.74 0.11 0.37 0.20 1.83 1.64 1.13 10.94
20020.52 0.71 0.37 0.45 0.48 1.04 0.11 0.24 0.03 0.14 0.90 2.57 7.56
20032.42 1.26 0.77 1.79 0.30 0.00 0.00 0.03 0.31 0.18 0.65 2.28 9.99
20042.50 1.26 0.45 0.71 1.68 1.44 0.00 0.65 0.24 0.57 1.04 1.06 11.60
20051.00 0.01 0.89 -----z0.96 0.63 0.31 0.06 0.00 1.62 1.16 2.37 9.01a
20062.59 0.50 0.84 1.65 1.75 1.32 0.25 0.00 0.63 0.35 1.14 2.05 13.07
20070.66 1.16 0.85 0.71 0.36 0.70 0.18 0.12 0.23 0.59 1.12 1.24 7.92
20081.64 0.66 0.59 0.52 1.96 0.58 0.00 0.66 0.11 0.17 1.11 1.10 9.10
20091.30 0.90 2.24 0.62 0.88 0.91 0.08 0.20 0.42 1.39 0.27 0.47 9.68
20101.37 0.47 0.52 0.82 1.57 1.80 0.76 0.10 1.45 2.21 1.05 2.87 14.99
20110.96 0.48 1.05 0.48 1.73 0.34 0.00 0.13 0.01 0.69b0.34 0.22 6.43
20121.20 0.77 1.22 1.94 0.79 2.64 1.02 0.04 -----z1.38 -----z1.09m11.00c
20130.87 -----z0.69 -----z-----z-----z-----z0.50 1.48 -----z0.42 0.30 4.26f
20140.47 -----z1.25 -----z0.40b0.25 0.18 0.39 0.00a0.88 0.43 2.23 6.48b
20151.22 0.73 0.95 -----z-----z0.01a0.03 0.00 0.43 0.55 1.16 2.62 7.70b
20161.56 0.76 1.84 0.70 1.16a0.63 0.42 0.18b0.35 2.75 0.77 0.90 12.02
20172.06 2.31 2.45c1.26 0.66 0.43a0.00 0.04 0.74 1.11 1.58 1.54 14.18
20181.50 0.57 0.55 2.24 1.39 0.20b0.00 0.01a0.00a0.94 0.39e1.70 9.49
20192.33 2.18a0.64 1.21 1.17 0.13 0.09a0.09 0.66a0.91a0.20 0.84 10.45
20201.42 1.04 0.65 0.17 2.29 0.65 0.02 0.00 0.02 0.57 1.70 1.04 9.57
20210.56 1.21 0.07 0.06 0.23 0.35 0.03 0.00 0.73 0.94 1.97 1.44 7.59
20220.73 0.19 0.85 1.55 1.63 1.87 0.43 0.00b0.00 0.94 1.42 -----z9.61a
2023-----z-----z-----z1.51 0.00a0.01 -----z0.45 -----z-----z-----z-----z1.97h
Period of Record Statistics
MEAN1.26 0.95 0.99 0.85 0.98 0.73 0.23 0.36 0.45 0.87 1.28 1.42 10.18
S.D.0.70 0.56 0.59 0.60 0.64 0.58 0.28 0.54 0.46 0.65 0.77 0.83 2.65
SKEW0.61 0.46 0.85 0.57 0.71 1.25 1.89 2.45 1.39 0.80 0.97 1.03 0.42
MAX3.15 2.31 2.54 2.24 2.93 2.64 1.40 2.59 1.96 2.75 3.70 4.18 17.26
MIN0.15 0.01 0.04 0.02 0.00 0.00 0.00 0.00 0.00 0.00 0.20 0.22 4.62
YRS64 62 64 63 62 65 64 65 64 65 64 64 50