Viewing Station: WA-KG-315 : Mercer Island 1.2 NE
Jan 19, 2023 - Mar 10, 2026540 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.87"
March 1-10, 2026(10 of 10 days covered by obs)
NOAA Normal
1.28"
Departure from Normal
0.59" : 146% of Normal
Year-To-Date: 7.82"
Jan 1 to Mar 10, 2026(64 of 69 days covered by obs)
NOAA Normal
9.81"
Departure from Normal
-1.99" : 80% of Normal
Water Year-To-Date: 24.15"
Oct 1, 2025 to Mar 10, 2026(153 of 161 days covered by obs)
NOAA Normal
24.30"
Departure from Normal
-0.15" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.05
5.50
-0.45
Feb
3.48
3.84
-0.36
Mar
3.98
4.20
-0.22
Apr
3.00
3.12
-0.12
May
1.98
2.04
-0.06
Jun
1.55
1.64
-0.09
Jul
0.69
0.71
-0.02
Aug
0.96
0.94
0.02
Sep
1.56
1.62
-0.06
Oct
3.63
3.88
-0.25
Nov
5.59
6.02
-0.43
Dec
5.27
5.85
-0.58
36.74
39.36
-2.62