Viewing Station: CO-DG-164 : Castle Rock 3.9 NW
Jun 18, 2011 - Sep 26, 20261,082 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.96"
September 1-27, 2026(2 of 27 days covered by obs)
NOAA Normal
1.22"
Departure from Normal
-0.26" : 78% of Normal
Year-To-Date: 4.26"
Jan 1 to Sep 27, 2026(7 of 270 days covered by obs)
NOAA Normal
14.78"
Departure from Normal
-10.52" : 29% of Normal
Water Year-To-Date: 4.49"
Oct 1, 2025 to Sep 27, 2026(9 of 362 days covered by obs)
NOAA Normal
17.29"
Departure from Normal
-12.80" : 26% 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
1.50
0.04
Apr
2.23
2.31
-0.08
May
2.21
2.24
-0.03
Jun
1.89
2.05
-0.16
Jul
2.24
2.35
-0.11
Aug
2.15
2.21
-0.06
Sep
1.36
1.44
-0.08
Oct
1.06
1.12
-0.06
Nov
0.81
0.81
0.00
Dec
0.64
0.64
0.00
17.43
17.95
-0.52