Viewing Station: CO-BO-491 : Boulder 1.8 W
Nov 12, 2017 - May 4, 20252,448 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.18"
May 1-4, 2025(3 of 4 days covered by obs)
NOAA Normal
0.36"
Departure from Normal
-0.18" : 51% of Normal
Year-To-Date: 6.01"
Jan 1 to May 4, 2025(119 of 124 days covered by obs)
NOAA Normal
6.16"
Departure from Normal
-0.15" : 98% of Normal
Water Year-To-Date: 7.75"
Oct 1, 2024 to May 4, 2025(211 of 216 days covered by obs)
NOAA Normal
9.17"
Departure from Normal
-1.42" : 85% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.65
0.70
-0.05
Feb
0.85
0.91
-0.06
Mar
1.74
1.80
-0.06
Apr
2.56
2.71
-0.15
May
2.76
3.12
-0.36
Jun
1.86
2.04
-0.18
Jul
1.77
1.69
0.08
Aug
1.67
1.58
0.09
Sep
1.53
2.05
-0.52
Oct
1.36
1.57
-0.21
Nov
1.00
1.03
-0.03
Dec
0.65
0.74
-0.09
18.40
19.94
-1.54