Viewing Station: CO-BO-552 : Boulder 4.8 ENE
Jul 15, 2021 - May 18, 2026697 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.78"
May 1-18, 2026(7 of 18 days covered by obs)
NOAA Normal
1.64"
Departure from Normal
-0.86" : 48% of Normal
Year-To-Date: 0.91"
Jan 1 to May 18, 2026(11 of 138 days covered by obs)
NOAA Normal
6.94"
Departure from Normal
-6.03" : 13% of Normal
Water Year-To-Date: 0.91"
Oct 1, 2025 to May 18, 2026(11 of 230 days covered by obs)
NOAA Normal
9.70"
Departure from Normal
-8.79" : 9% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.60
0.54
0.06
Feb
0.71
0.66
0.05
Mar
1.58
1.53
0.05
Apr
2.41
2.21
0.20
May
2.82
2.49
0.33
Jun
1.84
1.60
0.24
Jul
1.70
1.56
0.14
Aug
1.70
1.32
0.38
Sep
1.42
1.66
-0.24
Oct
1.26
1.20
0.06
Nov
0.92
0.83
0.09
Dec
0.58
0.58
0.00
17.54
16.18
1.36