Viewing Station: CO-BO-583 : Boulder 2.9 S
Jan 1, 2023 - Jun 20, 2025949 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.71"
June 1-21, 2025(20 of 21 days covered by obs)
NOAA Normal
1.26"
Departure from Normal
0.45" : 136% of Normal
Year-To-Date: 10.59"
Jan 1 to Jun 21, 2025(171 of 172 days covered by obs)
NOAA Normal
9.75"
Departure from Normal
0.84" : 109% of Normal
Water Year-To-Date: 13.25"
Oct 1, 2024 to Jun 21, 2025(263 of 264 days covered by obs)
NOAA Normal
12.76"
Departure from Normal
0.49" : 104% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.66
0.70
-0.04
Feb
0.81
0.83
-0.02
Mar
1.72
1.72
0.00
Apr
2.56
2.67
-0.11
May
2.74
2.95
-0.21
Jun
1.80
1.83
-0.03
Jul
1.73
1.72
0.01
Aug
1.70
1.61
0.09
Sep
1.44
2.03
-0.59
Oct
1.32
1.48
-0.16
Nov
1.03
1.02
0.01
Dec
0.66
0.71
-0.05
18.17
19.27
-1.10