Viewing Station: CO-BO-479 : Niwot 1.0 NNE
Jul 13, 2017 - Aug 26, 20251,659 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.98"
August 1-26, 2025(17 of 26 days covered by obs)
NOAA Normal
1.31"
Departure from Normal
-0.33" : 75% of Normal
Year-To-Date: 8.13"
Jan 1 to Aug 26, 2025(133 of 238 days covered by obs)
NOAA Normal
12.43"
Departure from Normal
-4.30" : 65% of Normal
Water Year-To-Date: 8.52"
Oct 1, 2024 to Aug 26, 2025(140 of 330 days covered by obs)
NOAA Normal
15.02"
Departure from Normal
-6.50" : 57% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.55
0.48
0.07
Feb
0.66
0.58
0.08
Mar
1.44
1.35
0.09
Apr
2.28
1.97
0.31
May
2.75
2.47
0.28
Jun
1.76
1.61
0.15
Jul
1.68
1.29
0.39
Aug
1.56
1.33
0.23
Sep
1.38
1.57
-0.19
Oct
1.21
1.15
0.06
Nov
0.84
0.78
0.06
Dec
0.54
0.51
0.03
16.65
15.09
1.56