Viewing Station: CO-BO-479 : Niwot 1.0 NNE
Jul 13, 2017 - Jun 21, 20261,844 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.11"
June 1-22, 2026(16 of 22 days covered by obs)
NOAA Normal
1.29"
Departure from Normal
-1.18" : 9% of Normal
Year-To-Date: 3.93"
Jan 1 to Jun 22, 2026(124 of 173 days covered by obs)
NOAA Normal
8.97"
Departure from Normal
-5.04" : 44% of Normal
Water Year-To-Date: 4.39"
Oct 1, 2025 to Jun 22, 2026(173 of 265 days covered by obs)
NOAA Normal
11.56"
Departure from Normal
-7.17" : 38% 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