Viewing Station: CA-TH-30 : Red Bluff 4.9 SE
Apr 15, 2013 - Sep 11, 20253,939 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.51"
September 1-18, 2025(11 of 18 days covered by obs)
NOAA Normal
0.12"
Departure from Normal
0.39" : 425% of Normal
Year-To-Date: 11.48"
Jan 1 to Sep 18, 2025(197 of 261 days covered by obs)
NOAA Normal
16.79"
Departure from Normal
-5.31" : 68% of Normal
Water Year-To-Date: 27.82"
Oct 1, 2024 to Sep 18, 2025(284 of 353 days covered by obs)
NOAA Normal
25.18"
Departure from Normal
2.64" : 110% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
4.99
5.08
-0.09
Feb
4.70
4.44
0.26
Mar
3.34
3.38
-0.04
Apr
1.73
1.68
0.05
May
1.30
1.34
-0.04
Jun
0.51
0.51
0.00
Jul
0.04
0.06
-0.02
Aug
0.06
0.06
0.00
Sep
0.20
0.22
-0.02
Oct
1.22
1.04
0.18
Nov
2.59
2.49
0.10
Dec
4.58
4.90
-0.32
25.26
25.20
0.06