Viewing Station: OK-MY-12 : Chelsea 7.9 S
Mar 22, 2024 - Sep 21, 2026969 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.45"
September 1-22, 2026(21 of 22 days covered by obs)
NOAA Normal
2.98"
Departure from Normal
-0.53" : 82% of Normal
Year-To-Date: 34.34"
Jan 1 to Sep 22, 2026(264 of 265 days covered by obs)
NOAA Normal
33.23"
Departure from Normal
1.11" : 103% of Normal
Water Year-To-Date: 40.22"
Oct 1, 2025 to Sep 22, 2026(356 of 357 days covered by obs)
NOAA Normal
42.79"
Departure from Normal
-2.57" : 94% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
1.87
1.92
-0.05
Feb
1.98
1.94
0.04
Mar
3.39
3.36
0.03
Apr
4.47
4.30
0.17
May
6.50
6.10
0.40
Jun
4.80
5.00
-0.20
Jul
3.69
3.70
-0.01
Aug
3.55
3.33
0.22
Sep
4.06
3.95
0.11
Oct
3.93
3.63
0.30
Nov
3.12
3.08
0.04
Dec
2.51
2.51
0.00
43.87
42.82
1.05