Viewing Station: MI-WS-49 : Chelsea 2.4 S
Apr 24, 2018 - Mar 18, 20261,923 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.62"
March 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
1.31"
Departure from Normal
2.31" : 277% of Normal
Year-To-Date: 4.83"
Jan 1 to Mar 18, 2026(75 of 77 days covered by obs)
NOAA Normal
5.29"
Departure from Normal
-0.46" : 91% of Normal
Water Year-To-Date: 10.54"
Oct 1, 2025 to Mar 18, 2026(164 of 169 days covered by obs)
NOAA Normal
12.75"
Departure from Normal
-2.21" : 83% 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