Viewing Station: CO-BO-248 : Niwot 2.3 W
Aug 13, 2007 - Aug 31, 20266,185 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.34"
August 1-31, 2026(31 of 31 days covered by obs)
NOAA Normal
1.66"
Departure from Normal
-1.32" : 20% of Normal
Year-To-Date: 7.02"
Jan 1 to Aug 31, 2026(242 of 243 days covered by obs)
NOAA Normal
13.08"
Departure from Normal
-6.06" : 54% of Normal
Water Year-To-Date: 8.21"
Oct 1, 2025 to Aug 31, 2026(333 of 335 days covered by obs)
NOAA Normal
15.76"
Departure from Normal
-7.55" : 52% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.57
0.51
0.06
Feb
0.69
0.60
0.09
Mar
1.53
1.37
0.16
Apr
2.34
2.05
0.29
May
2.79
2.54
0.25
Jun
1.83
1.64
0.19
Jul
1.67
1.40
0.27
Aug
1.66
1.31
0.35
Sep
1.42
1.61
-0.19
Oct
1.25
1.15
0.10
Nov
0.87
0.77
0.10
Dec
0.56
0.51
0.05
17.18
15.46
1.72