Viewing Station: CO-DG-314 : Castle Rock 1.7 E
Jun 14, 2020 - Sep 18, 20262,087 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.15"
September 1-18, 2026(18 of 18 days covered by obs)
NOAA Normal
0.86"
Departure from Normal
-0.71" : 17% of Normal
Year-To-Date: 9.58"
Jan 1 to Sep 18, 2026(252 of 261 days covered by obs)
NOAA Normal
15.30"
Departure from Normal
-5.72" : 63% of Normal
Water Year-To-Date: 10.88"
Oct 1, 2025 to Sep 18, 2026(336 of 353 days covered by obs)
NOAA Normal
17.93"
Departure from Normal
-7.05" : 61% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.67
0.60
0.07
Feb
0.76
0.65
0.11
Mar
1.58
1.60
-0.02
Apr
2.38
2.30
0.08
May
2.32
2.22
0.10
Jun
1.99
2.13
-0.14
Jul
2.46
2.37
0.09
Aug
2.28
2.49
-0.21
Sep
1.43
1.44
-0.01
Oct
1.09
1.04
0.05
Nov
0.83
0.76
0.07
Dec
0.71
0.64
0.07
18.50
18.24
0.26