Viewing Station: CA-BT-8 : Chico 1.7 SW
Jan 30, 2012 - Sep 4, 20265,104 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.06"
September 1-15, 2026(4 of 15 days covered by obs)
NOAA Normal
0.09"
Departure from Normal
-0.03" : 63% of Normal
Year-To-Date: 15.42"
Jan 1 to Sep 15, 2026(247 of 258 days covered by obs)
NOAA Normal
19.86"
Departure from Normal
-4.44" : 78% of Normal
Water Year-To-Date: 29.90"
Oct 1, 2025 to Sep 15, 2026(339 of 350 days covered by obs)
NOAA Normal
29.21"
Departure from Normal
0.69" : 102% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
5.53
4.98
0.55
Feb
5.60
4.71
0.89
Mar
4.43
3.73
0.70
Apr
2.26
1.99
0.27
May
1.30
1.36
-0.06
Jun
0.54
0.51
0.03
Jul
0.01
0.02
-0.01
Aug
0.09
0.08
0.01
Sep
0.19
0.16
0.03
Oct
1.54
1.35
0.19
Nov
2.99
2.40
0.59
Dec
4.82
5.27
-0.45
29.30
26.56
2.74