Viewing Station: CA-SH-82 : Shasta Lake 1.7 SSE
Dec 22, 2023 - Sep 12, 2025467 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.40"
September 1-17, 2025(12 of 17 days covered by obs)
NOAA Normal
0.25"
Departure from Normal
1.15" : 561% of Normal
Year-To-Date: 25.75"
Jan 1 to Sep 17, 2025(256 of 260 days covered by obs)
NOAA Normal
29.68"
Departure from Normal
-3.93" : 87% of Normal
Water Year-To-Date: 53.28"
Oct 1, 2024 to Sep 17, 2025(348 of 352 days covered by obs)
NOAA Normal
45.10"
Departure from Normal
8.18" : 118% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
7.67
8.08
-0.41
Feb
8.12
7.77
0.35
Mar
7.47
6.72
0.75
Apr
3.13
3.33
-0.20
May
1.88
2.19
-0.31
Jun
1.01
1.08
-0.07
Jul
0.04
0.11
-0.07
Aug
0.11
0.12
-0.01
Sep
0.44
0.43
0.01
Oct
2.25
2.05
0.20
Nov
4.74
4.76
-0.02
Dec
8.43
8.22
0.21
45.29
44.86
0.43