Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Colorado

Precipitation Rankings, May 2002

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
May 2002
1-Month
0.57"
(14.48mm)
2.02"
(51.31mm)
-1.45"
(-36.83mm)
2nd Driest
Driest since:
1974
127th Wettest
Wettest since:
2015
Apr–May 2002
2-Month
1.14"
(28.96mm)
3.86"
(98.04mm)
-2.72"
(-69.08mm)
1st Driest
Driest since:
2002
128th Wettest
Wettest since:
1957
Mar–May 2002
3-Month
2.01"
(51.05mm)
5.37"
(136.40mm)
-3.36"
(-85.35mm)
1st Driest
Driest since:
2002
128th Wettest
Wettest since:
1957
Feb–May 2002
4-Month
2.49"
(63.25mm)
6.46"
(164.08mm)
-3.97"
(-100.83mm)
1st Driest
Driest since:
2002
128th Wettest
Wettest since:
1905
Jan–May 2002
5-Month
3.13"
(79.50mm)
7.52"
(191.01mm)
-4.39"
(-111.51mm)
1st Driest
Driest since:
2002
128th Wettest
Wettest since:
1957
Dec 2001–May 2002
6-Month
3.78"
(96.01mm)
8.60"
(218.44mm)
-4.82"
(-122.43mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1957
Nov 2001–May 2002
7-Month
4.98"
(126.49mm)
9.66"
(245.36mm)
-4.68"
(-118.87mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1957
Oct 2001–May 2002
8-Month
5.63"
(143.00mm)
11.00"
(279.40mm)
-5.37"
(-136.40mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1995
Sep 2001–May 2002
9-Month
6.67"
(169.42mm)
12.43"
(315.72mm)
-5.76"
(-146.30mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1942
Aug 2001–May 2002
10-Month
8.64"
(219.46mm)
14.44"
(366.78mm)
-5.80"
(-147.32mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1942
Jul 2001–May 2002
11-Month
11.08"
(281.43mm)
16.54"
(420.12mm)
-5.46"
(-138.69mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1942
Jun 2001–May 2002
12-Month
12.02"
(305.31mm)
18.08"
(459.23mm)
-6.06"
(-153.92mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1942
Dec 2000–May 2002
18-Month
20.76"
(527.30mm)
26.70"
(678.18mm)
-5.94"
(-150.88mm)
3rd Driest
Driest since:
2013
124th Wettest
Wettest since:
1942
Jun 2000–May 2002
24-Month
29.34"
(745.24mm)
36.18"
(918.97mm)
-6.84"
(-173.73mm)
7th Driest
Driest since:
1902
120th Wettest
Wettest since:
1942
Jun 1999–May 2002
36-Month
47.41"
(1,204.21mm)
54.21"
(1,376.93mm)
-6.80"
(-172.72mm)
14th Driest
Driest since:
2022
112th Wettest
Wettest since:
1943
Jun 1998–May 2002
48-Month
69.09"
(1,754.89mm)
72.23"
(1,834.64mm)
-3.14"
(-79.75mm)
35th Driest
Driest since:
1956
90th Wettest
Wettest since:
1944
Jun 1997–May 2002
60-Month
90.22"
(2,291.59mm)
90.24"
(2,292.10mm)
-0.02"
(-0.51mm)
60th Driest
Driest since:
2022
64th Wettest
Wettest since:
1987

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