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Viewing Station:
CA-HM-115 : Arcata 4.6 WSW
Oct 27, 2021 - Sep 9, 2026
1,297 Total Observations
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Station Overview
Climatology
Precip Summary
Year-Over-Year
Precip Calendar
Precip Distribution
Obs Calendar
Obs Tables
Station Overview
Climatology
Precip Summary
Year-Over-Year
Precip Calendar
Precip Distribution
Obs Calendar
Obs Tables
Climatology
Informational
Educational
Precipitation Normals Comparison
PRISM
Month-To-Date: 0.38"
September 2026
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"
2026
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 2025 - Sept 2026
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
Month
PRISM 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