Viewing Station: CA-SH-82 : Shasta Lake 1.7 SSE
Dec 22, 2023 - Dec 20, 2025524 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 3.77"
December 1-24, 2025(20 of 24 days covered by obs)
NOAA Normal
6.53"
Departure from Normal
-2.76" : 58% of Normal
Year-To-Date: 40.92"
Jan 1 to Dec 24, 2025(354 of 358 days covered by obs)
NOAA Normal
43.39"
Departure from Normal
-2.47" : 94% of Normal
Water Year-To-Date: 15.16"
Oct 1, 2025 to Dec 24, 2025(81 of 85 days covered by obs)
NOAA Normal
13.52"
Departure from Normal
1.64" : 112% 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