Viewing Station: MI-WS-53 : Chelsea 3.7 NNE
Nov 15, 2019 - Aug 18, 20262,493 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.14"
August 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
1.91"
Departure from Normal
-0.77" : 60% of Normal
Year-To-Date: 21.89"
Jan 1 to Aug 18, 2026(230 of 230 days covered by obs)
NOAA Normal
22.04"
Departure from Normal
-0.15" : 99% of Normal
Water Year-To-Date: 28.52"
Oct 1, 2025 to Aug 18, 2026(322 of 322 days covered by obs)
NOAA Normal
29.46"
Departure from Normal
-0.94" : 97% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.18
2.35
-0.17
Feb
1.77
1.86
-0.09
Mar
2.22
2.25
-0.03
Apr
3.12
3.01
0.11
May
3.82
3.86
-0.04
Jun
3.66
3.58
0.08
Jul
3.36
3.32
0.04
Aug
3.29
3.41
-0.12
Sep
2.85
2.84
0.01
Oct
2.90
3.02
-0.12
Nov
2.52
2.54
-0.02
Dec
2.00
2.13
-0.13
33.69
34.17
-0.48