Viewing Station: CO-BO-477 : Boulder 2.3 N
Jun 23, 2017 - Apr 14, 20262,984 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.11"
April 1-15, 2026(13 of 15 days covered by obs)
NOAA Normal
1.27"
Departure from Normal
-1.16" : 9% of Normal
Year-To-Date: 1.32"
Jan 1 to Apr 15, 2026(94 of 105 days covered by obs)
NOAA Normal
4.42"
Departure from Normal
-3.10" : 30% of Normal
Water Year-To-Date: 2.58"
Oct 1, 2025 to Apr 15, 2026(176 of 197 days covered by obs)
NOAA Normal
7.37"
Departure from Normal
-4.79" : 35% 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