SEATTLE SAND POINT WFO, WA

Maximum of Precipitation (Inches)

(457470)

File last updated on March 28, 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
1986-----z-----z-----z-----z-----z-----z-----z-----z-----z2.60 1.62 0.95 -----z
19871.54 0.33 1.59 0.78 0.93 0.03 0.10 0.18 0.37 0.18 0.63 1.34 1.59
19882.02 0.16 1.43 0.74 0.79 0.53 0.09 0.15 0.70 0.76 1.04 0.65 2.02
19890.65 -----z-----z0.34 0.72 0.72 0.44 0.56 0.31 0.79 1.02 1.22 -----z
19902.32 0.52 0.72 0.42 0.53 0.91 -----z0.20 0.01 1.34 2.03 1.08 -----z
19910.88 0.78 1.46 1.92 0.44 0.46 0.29 0.82 0.02 0.66 0.70 0.78 1.92
19921.20c0.74 0.56 0.83 0.41 0.50 0.76 0.52 0.55 0.72 0.83 1.46a1.46d
19930.55 0.31 1.44 0.73 0.54 0.44 0.47 0.13 0.02 0.56 0.97 1.23 1.44
19940.54 0.89 0.54 0.54 0.24 0.60 0.78 0.17 0.38 0.73 0.90 1.53 1.53
19950.81 0.94 0.79 0.58 0.21 0.50 0.68 0.88 0.65 0.76 1.46 1.19 1.46
19961.00 2.66 0.60 2.00 0.64 0.37 0.27 0.74 0.45 0.81 -----z2.67 -----z
19970.98 0.40 1.60 1.29 1.01 0.55 0.87 0.44 0.61 -----z1.41 0.83 -----z
19981.61 0.88 0.66 0.65 0.75 0.55 -----z-----z-----z-----z-----z1.11 -----z
1999-----z-----z-----z-----z-----z-----z-----z0.25 0.27a1.04 1.50 0.56 -----z
20000.52 0.85 0.41 0.45 0.74 0.35 0.13 0.21 0.58 0.85 1.17 0.50 1.17
20010.90 0.73 0.56 0.41 0.62 1.19 0.33 1.42 0.27 0.68 1.82 1.27 1.82
20021.29 1.47 0.68 0.71 0.19 0.55 0.63 0.17 0.36 0.34 0.66 1.24 1.47
20030.85 0.47 1.12 0.49 0.45 0.45 0.00 0.14 1.11 3.59 1.96 0.54h3.59h
20041.70 0.54 0.41 0.27 0.89 0.20 0.28 1.58 0.43 0.63 1.45 1.11 1.70
20051.54 0.66 1.29 0.63 0.63 0.56 0.29 0.17 0.61 0.42 0.89 0.96 1.54
20061.30 0.62 0.51 0.51 1.53 0.59 0.02 0.14 0.48 0.53 1.13 2.17 2.17
20070.89 0.43 0.43 0.27 0.52 0.23 0.44 0.42 0.79 0.65 0.79 4.15 4.15
20080.65 0.71 0.69 0.38 0.29 1.23 0.30 0.80 0.53 0.42 1.15 0.73 1.23
20091.13 0.36 0.53 0.73 0.89 0.17 0.11 0.28 0.72 1.12 1.02 0.51 1.13
20101.02 0.44 0.66 0.75 0.66 0.37 0.05 0.62 0.82 0.73 1.17 2.25 2.25
20110.86 0.83 1.35 0.79 0.67 0.27 0.19 0.10 0.35 0.48 1.84 0.35 1.84
20120.65 0.46 1.04 0.47 0.67 0.91 0.72 0.00 0.24 1.20 2.60 0.98 2.60
20131.53 0.30 0.55 0.88 0.40 0.95 0.03 0.47 1.38 0.39 0.84 0.40 1.53
20140.89 1.04 1.43 1.04 0.95 0.32 0.89 0.48 0.76 1.39 1.40 1.09 1.43
20150.81 0.81 2.18 0.53 0.57 0.09 0.90 1.28 0.38 0.99 1.74 1.51 2.18
20161.66 0.84 0.87 0.54 0.33 0.53 0.24 0.03 0.71 1.76 1.33 0.68 1.76
20171.45 1.81 0.79 0.89 0.67 0.68 0.03 0.13 0.49 1.10 1.61 1.23 1.81
20180.93 0.52 0.52 1.67 0.19 0.79 0.02 0.09 0.43 1.04 1.47 0.70 1.67
20190.82 0.74 0.73 0.33 0.40 0.35 0.42 0.68 0.79 0.48 0.40 2.64 2.64
20200.79 2.04 0.52 0.62 1.15 1.03 0.10 0.34 1.35 0.50 0.75 2.19 2.19
20211.50 0.94 0.52 0.37 0.58 0.69 0.06 0.13 0.64 1.77 0.76 0.76 1.77
20221.46 1.65 0.46 0.47 0.96 1.03 0.07 0.03 0.06 0.62 1.00 1.14 1.65
20230.70 0.33 0.57 0.53 0.65 0.27 0.15 0.17 1.02 0.59 0.87 1.88 1.88
20240.73 1.14 0.38d-----z-----z-----z-----z-----z-----z-----z-----z-----z-----z
Period of Record Statistics
MEAN1.10 0.81 0.85 0.71 0.63 0.55 0.33 0.41 0.55 0.92 1.22 1.27 1.83
S.D.0.44 0.53 0.45 0.42 0.29 0.30 0.29 0.40 0.33 0.66 0.47 0.76 0.58
SKEW0.82 1.70 1.14 1.82 0.74 0.52 0.72 1.44 0.64 2.40 0.74 1.76 2.27
MAX2.32 2.66 2.18 2.00 1.53 1.23 0.90 1.58 1.38 3.59 2.60 4.15 4.15
MIN0.52 0.16 0.38 0.27 0.19 0.03 0.00 0.00 0.01 0.18 0.40 0.35 1.13
YRS37 36 36 36 36 36 34 36 36 36 36 37 30