Viewing Station: CO-GL-23 : Rollinsville 0.1 WNW
Oct 20, 2015 - Sep 20, 20261,266 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.55"
September 1-20, 2026(11 of 20 days covered by obs)
NOAA Normal
1.09"
Departure from Normal
0.46" : 142% of Normal
Year-To-Date: 10.68"
Jan 1 to Sep 20, 2026(58 of 263 days covered by obs)
NOAA Normal
16.34"
Departure from Normal
-5.66" : 65% of Normal
Water Year-To-Date: 12.01"
Oct 1, 2025 to Sep 20, 2026(66 of 355 days covered by obs)
NOAA Normal
19.53"
Departure from Normal
-7.52" : 61% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.88
0.92
-0.04
Feb
1.08
1.19
-0.11
Mar
1.93
2.03
-0.10
Apr
2.72
2.96
-0.24
May
2.59
2.66
-0.07
Jun
1.67
1.83
-0.16
Jul
2.21
2.69
-0.48
Aug
2.17
2.27
-0.10
Sep
1.64
1.74
-0.10
Oct
1.30
1.38
-0.08
Nov
1.07
1.09
-0.02
Dec
0.82
1.01
-0.19
20.08
21.77
-1.69