Viewing Station: CO-BO-479 : Niwot 1.0 NNE
Jul 13, 2017 - Jun 21, 20251,616 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.97"
June 1-21, 2025(15 of 21 days covered by obs)
NOAA Normal
1.23"
Departure from Normal
-0.26" : 79% of Normal
Year-To-Date: 6.24"
Jan 1 to Jun 21, 2025(81 of 172 days covered by obs)
NOAA Normal
8.91"
Departure from Normal
-2.67" : 70% of Normal
Water Year-To-Date: 6.63"
Oct 1, 2024 to Jun 21, 2025(88 of 264 days covered by obs)
NOAA Normal
11.50"
Departure from Normal
-4.87" : 58% 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