Viewing Station: MI-WS-49 : Chelsea 2.4 S
Apr 24, 2018 - Sep 14, 20262,094 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.73"
September 1-14, 2026(14 of 14 days covered by obs)
NOAA Normal
1.32"
Departure from Normal
1.41" : 207% of Normal
Year-To-Date: 26.42"
Jan 1 to Sep 14, 2026(255 of 257 days covered by obs)
NOAA Normal
24.87"
Departure from Normal
1.55" : 106% of Normal
Water Year-To-Date: 32.13"
Oct 1, 2025 to Sep 14, 2026(344 of 349 days covered by obs)
NOAA Normal
32.33"
Departure from Normal
-0.20" : 99% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.17
2.35
-0.18
Feb
1.81
1.88
-0.07
Mar
2.25
2.28
-0.03
Apr
3.15
3.09
0.06
May
3.82
3.88
-0.06
Jun
3.69
3.57
0.12
Jul
3.34
3.30
0.04
Aug
3.32
3.38
-0.06
Sep
2.83
2.85
-0.02
Oct
2.90
3.01
-0.11
Nov
2.55
2.58
-0.03
Dec
2.01
2.14
-0.13
33.84
34.31
-0.47