Viewing Station: CO-DG-307 : Castle Rock 0.8 WNW
Oct 7, 2019 - Sep 20, 20262,512 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.58"
September 1-20, 2026(20 of 20 days covered by obs)
NOAA Normal
0.90"
Departure from Normal
-0.32" : 64% of Normal
Year-To-Date: 9.25"
Jan 1 to Sep 20, 2026(262 of 263 days covered by obs)
NOAA Normal
14.52"
Departure from Normal
-5.27" : 64% of Normal
Water Year-To-Date: 9.99"
Oct 1, 2025 to Sep 20, 2026(354 of 355 days covered by obs)
NOAA Normal
17.03"
Departure from Normal
-7.04" : 59% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.62
0.60
0.02
Feb
0.70
0.65
0.05
Mar
1.51
1.50
0.01
Apr
2.20
2.31
-0.11
May
2.20
2.19
0.01
Jun
1.91
2.06
-0.15
Jul
2.32
2.38
-0.06
Aug
2.16
2.25
-0.09
Sep
1.35
1.41
-0.06
Oct
1.06
1.06
0.00
Nov
0.80
0.78
0.02
Dec
0.65
0.64
0.01
17.48
17.83
-0.35