Viewing Station: CO-BO-521 : Boulder 1.4 W
Dec 30, 2019 - May 6, 20262,003 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 2.05"
May 1-6, 2026(6 of 6 days covered by obs)
NOAA Normal
0.53"
Departure from Normal
1.52" : 384% of Normal
Year-To-Date: 4.26"
Jan 1 to May 6, 2026(101 of 126 days covered by obs)
NOAA Normal
6.33"
Departure from Normal
-2.07" : 67% of Normal
Water Year-To-Date: 5.80"
Oct 1, 2025 to May 6, 2026(185 of 218 days covered by obs)
NOAA Normal
9.34"
Departure from Normal
-3.54" : 62% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.66
-0.01
Feb
0.85
0.85
0.00
Mar
1.74
1.78
-0.04
Apr
2.56
2.68
-0.12
May
2.76
2.99
-0.23
Jun
1.86
1.96
-0.10
Jul
1.77
1.67
0.10
Aug
1.67
1.56
0.11
Sep
1.53
2.03
-0.50
Oct
1.36
1.52
-0.16
Nov
1.00
0.97
0.03
Dec
0.65
0.70
-0.05
18.40
19.37
-0.97