Viewing Station: CO-DG-329 : Castle Rock 4.1 NW
Jan 23, 2022 - Sep 19, 20261,757 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.32"
September 1-20, 2026(19 of 20 days covered by obs)
NOAA Normal
0.91"
Departure from Normal
-0.59" : 35% of Normal
Year-To-Date: 11.26"
Jan 1 to Sep 20, 2026(262 of 263 days covered by obs)
NOAA Normal
14.47"
Departure from Normal
-3.21" : 78% of Normal
Water Year-To-Date: 12.11"
Oct 1, 2025 to Sep 20, 2026(354 of 355 days covered by obs)
NOAA Normal
16.98"
Departure from Normal
-4.87" : 71% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.62
-0.01
Feb
0.69
0.66
0.03
Mar
1.54
1.49
0.05
Apr
2.23
2.31
-0.08
May
2.21
2.22
-0.01
Jun
1.89
2.03
-0.14
Jul
2.24
2.32
-0.08
Aug
2.15
2.19
-0.04
Sep
1.36
1.44
-0.08
Oct
1.06
1.12
-0.06
Nov
0.81
0.80
0.01
Dec
0.64
0.62
0.02
17.43
17.82
-0.39