Viewing Station: WA-SJ-28 : Lopez Island 3.9 NNE
Sep 2, 2009 - May 31, 20255,469 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.87"
May 1-31, 2025(31 of 31 days covered by obs)
NOAA Normal
1.40"
Departure from Normal
-0.53" : 62% of Normal
Year-To-Date: 9.16"
Jan 1 to May 31, 2025(151 of 151 days covered by obs)
NOAA Normal
10.25"
Departure from Normal
-1.09" : 89% of Normal
Water Year-To-Date: 19.83"
Oct 1, 2024 to May 31, 2025(243 of 243 days covered by obs)
NOAA Normal
19.65"
Departure from Normal
0.18" : 101% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
3.21
3.48
-0.27
Feb
2.01
2.33
-0.32
Mar
2.02
2.27
-0.25
Apr
1.61
1.77
-0.16
May
1.40
1.45
-0.05
Jun
1.05
1.16
-0.11
Jul
0.66
0.66
0.00
Aug
0.84
0.82
0.02
Sep
1.30
1.40
-0.10
Oct
2.60
2.83
-0.23
Nov
3.81
3.91
-0.10
Dec
2.99
3.42
-0.43
23.50
25.50
-2.00