Viewing Station: CO-BO-4 : Boulder 2.9 S
Jun 1, 2001 - Apr 14, 20269,192 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 0.09"
April 1-15, 2026(14 of 15 days covered by obs)
NOAA Normal
1.36"
Departure from Normal
-1.27" : 7% of Normal
Year-To-Date: 1.88"
Jan 1 to Apr 15, 2026(104 of 105 days covered by obs)
NOAA Normal
4.82"
Departure from Normal
-2.94" : 39% of Normal
Water Year-To-Date: 3.31"
Oct 1, 2025 to Apr 15, 2026(196 of 197 days covered by obs)
NOAA Normal
7.96"
Departure from Normal
-4.65" : 42% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.71
0.74
-0.03
Feb
0.91
0.90
0.01
Mar
1.84
1.85
-0.01
Apr
2.72
2.79
-0.07
May
2.80
3.06
-0.26
Jun
1.88
1.92
-0.04
Jul
1.84
1.73
0.11
Aug
1.73
1.65
0.08
Sep
1.53
2.05
-0.52
Oct
1.37
1.54
-0.17
Nov
1.06
1.04
0.02
Dec
0.71
0.76
-0.05
19.10
20.03
-0.93