Viewing Station: CO-BO-164 : Boulder 3.0 NNW
May 30, 2004 - May 7, 20253,827 Total Observations
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Climatology

Precipitation Normals Comparison

Month-To-Date: 1.56"
May 1-8, 2025(7 of 8 days covered by obs)
NOAA Normal
0.72"
Departure from Normal
0.84" : 217% of Normal
Year-To-Date: 4.54"
Jan 1 to May 8, 2025(56 of 128 days covered by obs)
NOAA Normal
6.29"
Departure from Normal
-1.75" : 72% of Normal
Water Year-To-Date: 5.37"
Oct 1, 2024 to May 8, 2025(91 of 220 days covered by obs)
NOAA Normal
9.11"
Departure from Normal
-3.74" : 59% of Normal
MonthNOAA Normals (in)PRISM Normals (in)Diff (in)
Jan
0.61
0.72
-0.11
Feb
0.80
0.95
-0.15
Mar
1.68
1.86
-0.18
Apr
2.48
2.60
-0.12
May
2.78
3.07
-0.29
Jun
1.87
2.12
-0.25
Jul
1.77
1.65
0.12
Aug
1.66
1.56
0.10
Sep
1.50
1.97
-0.47
Oct
1.29
1.63
-0.34
Nov
0.92
1.00
-0.08
Dec
0.61
0.76
-0.15
17.97
19.89
-1.92