Viewing Station: CO-BO-479 : Niwot 1.0 NNE
Jul 13, 2017 - Jul 30, 20251,644 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.70"
July 1-31, 2025(27 of 31 days covered by obs)
NOAA Normal
1.68"
Departure from Normal
-0.98" : 42% of Normal
Year-To-Date: 7.15"
Jan 1 to Jul 31, 2025(116 of 212 days covered by obs)
NOAA Normal
11.12"
Departure from Normal
-3.97" : 64% of Normal
Water Year-To-Date: 7.54"
Oct 1, 2024 to Jul 31, 2025(123 of 304 days covered by obs)
NOAA Normal
13.71"
Departure from Normal
-6.17" : 55% 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