Viewing Station: WA-KG-315 : Mercer Island 1.1 NE
Jan 10, 2024 - Jun 23, 2025390 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.08"
June 1-30, 2025(6 of 30 days covered by obs)
NOAA Normal
1.55"
Departure from Normal
-1.47" : 5% of Normal
Year-To-Date: 14.59"
Jan 1 to Jun 30, 2025(143 of 181 days covered by obs)
NOAA Normal
19.04"
Departure from Normal
-4.45" : 77% of Normal
Water Year-To-Date: 25.99"
Oct 1, 2024 to Jun 30, 2025(224 of 273 days covered by obs)
NOAA Normal
33.53"
Departure from Normal
-7.54" : 78% 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