Viewing Station: CA-HM-115 : Arcata 4.6 WSW
Oct 27, 2021 - Sep 9, 20261,297 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.38"
September 1-18, 2026(8 of 18 days covered by obs)
PRISM Normal
0.41"
Departure from Normal
-0.03" : 92% of Normal
Year-To-Date: 17.22"
Jan 1 to Sep 18, 2026(250 of 261 days covered by obs)
PRISM Normal
26.19"
Departure from Normal
-8.97" : 66% of Normal
Water Year-To-Date: 34.27"
Oct 1, 2025 to Sep 18, 2026(342 of 353 days covered by obs)
PRISM Normal
41.95"
Departure from Normal
-7.68" : 82% of Normal
MonthPRISM Normals
Jan
6.89
Feb
5.76
Mar
6.14
Apr
4.02
May
1.80
Jun
0.81
Jul
0.18
Aug
0.18
Sep
0.69
Oct
2.41
Nov
4.91
Dec
8.44
42.23