Viewing Station: CO-BO-76 : Niwot 1.8 SSW
Sep 1, 2002 - Aug 26, 20255,526 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.30"
August 1-26, 2025(26 of 26 days covered by obs)
NOAA Normal
1.43"
Departure from Normal
-0.13" : 91% of Normal
Year-To-Date: 12.90"
Jan 1 to Aug 26, 2025(238 of 238 days covered by obs)
NOAA Normal
13.09"
Departure from Normal
-0.19" : 99% of Normal
Water Year-To-Date: 15.43"
Oct 1, 2024 to Aug 26, 2025(330 of 330 days covered by obs)
NOAA Normal
15.85"
Departure from Normal
-0.42" : 97% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.60
0.55
0.05
Feb
0.71
0.66
0.05
Mar
1.58
1.48
0.10
Apr
2.41
2.16
0.25
May
2.82
2.52
0.30
Jun
1.84
1.62
0.22
Jul
1.70
1.49
0.21
Aug
1.70
1.33
0.37
Sep
1.42
1.71
-0.29
Oct
1.26
1.21
0.05
Nov
0.92
0.82
0.10
Dec
0.58
0.56
0.02
17.54
16.11
1.43