Viewing Station: CA-MC-4 : Alturas 9.5 E
Oct 1, 2016 - Dec 17, 20253,367 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.39"
December 1-17, 2025(17 of 17 days covered by obs)
NOAA Normal
1.53"
Departure from Normal
-1.14" : 25% of Normal
Year-To-Date: 22.35"
Jan 1 to Dec 17, 2025(351 of 351 days covered by obs)
NOAA Normal
18.34"
Departure from Normal
4.01" : 122% of Normal
Water Year-To-Date: 5.51"
Oct 1, 2025 to Dec 17, 2025(78 of 78 days covered by obs)
NOAA Normal
4.88"
Departure from Normal
0.63" : 113% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
2.50
2.30
0.20
Feb
1.94
1.53
0.41
Mar
2.25
2.46
-0.21
Apr
2.38
1.94
0.44
May
2.29
1.88
0.41
Jun
1.00
0.83
0.17
Jul
0.30
0.40
-0.10
Aug
0.33
0.27
0.06
Sep
0.47
0.41
0.06
Oct
1.26
1.00
0.26
Nov
2.09
1.74
0.35
Dec
2.79
2.48
0.31
19.60
17.24
2.36