Viewing Station: CO-BO-477 : Boulder 2.3 N
Jun 23, 2017 - May 8, 20263,007 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.99"
May 1-9, 2026(8 of 9 days covered by obs)
NOAA Normal
0.81"
Departure from Normal
1.18" : 246% of Normal
Year-To-Date: 3.75"
Jan 1 to May 9, 2026(117 of 129 days covered by obs)
NOAA Normal
6.50"
Departure from Normal
-2.75" : 58% of Normal
Water Year-To-Date: 5.01"
Oct 1, 2025 to May 9, 2026(199 of 221 days covered by obs)
NOAA Normal
9.46"
Departure from Normal
-4.45" : 53% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.64
0.61
0.03
Feb
0.79
0.73
0.06
Mar
1.71
1.60
0.11
Apr
2.55
2.42
0.13
May
2.79
2.77
0.02
Jun
1.85
1.76
0.09
Jul
1.77
1.58
0.19
Aug
1.68
1.48
0.20
Sep
1.50
1.85
-0.35
Oct
1.37
1.34
0.03
Nov
0.97
0.90
0.07
Dec
0.62
0.62
0.00
18.24
17.66
0.58