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 2013

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 2013
1-Month
1.55"
(39.37mm)
2.02"
(51.31mm)
-0.47"
(-11.94mm)
40th Driest
Driest since:
1974
89th Wettest
Wettest since:
2015
Ties: 2008
Apr–May 2013
2-Month
3.22"
(81.79mm)
3.86"
(98.04mm)
-0.64"
(-16.25mm)
41st Driest
Driest since:
2002
88th Wettest
Wettest since:
1957
Mar–May 2013
3-Month
4.29"
(108.97mm)
5.37"
(136.40mm)
-1.08"
(-27.43mm)
29th Driest
Driest since:
2002
100th Wettest
Wettest since:
1957
Feb–May 2013
4-Month
5.18"
(131.57mm)
6.46"
(164.08mm)
-1.28"
(-32.51mm)
23rd Driest
Driest since:
2002
106th Wettest
Wettest since:
1905
Jan–May 2013
5-Month
6.09"
(154.69mm)
7.52"
(191.01mm)
-1.43"
(-36.32mm)
24th Driest
Driest since:
2002
105th Wettest
Wettest since:
1957
Dec 2012–May 2013
6-Month
7.40"
(187.96mm)
8.60"
(218.44mm)
-1.20"
(-30.48mm)
30th Driest
Driest since:
2002
98th Wettest
Wettest since:
1957
Ties: 1974, 1992
Nov 2012–May 2013
7-Month
7.84"
(199.14mm)
9.66"
(245.36mm)
-1.82"
(-46.22mm)
20th Driest
Driest since:
2002
108th Wettest
Wettest since:
1957
Oct 2012–May 2013
8-Month
8.56"
(217.42mm)
11.00"
(279.40mm)
-2.44"
(-61.98mm)
16th Driest
Driest since:
2002
112th Wettest
Wettest since:
1995
Sep 2012–May 2013
9-Month
9.85"
(250.19mm)
12.43"
(315.72mm)
-2.58"
(-65.53mm)
14th Driest
Driest since:
2002
114th Wettest
Wettest since:
1942
Aug 2012–May 2013
10-Month
10.92"
(277.37mm)
14.44"
(366.78mm)
-3.52"
(-89.41mm)
8th Driest
Driest since:
2002
120th Wettest
Wettest since:
1942
Jul 2012–May 2013
11-Month
13.19"
(335.03mm)
16.54"
(420.12mm)
-3.35"
(-85.09mm)
10th Driest
Driest since:
2002
118th Wettest
Wettest since:
1942
Jun 2012–May 2013
12-Month
13.61"
(345.69mm)
18.08"
(459.23mm)
-4.47"
(-113.54mm)
4th Driest
Driest since:
2002
124th Wettest
Wettest since:
1942
Dec 2011–May 2013
18-Month
19.31"
(490.47mm)
26.70"
(678.18mm)
-7.39"
(-187.71mm)
1st Driest
Driest since:
2013
126th Wettest
Wettest since:
1942
Jun 2011–May 2013
24-Month
28.31"
(719.07mm)
36.18"
(918.97mm)
-7.87"
(-199.90mm)
3rd Driest
Driest since:
1902
124th Wettest
Wettest since:
1942
Jun 2010–May 2013
36-Month
46.91"
(1,191.51mm)
54.21"
(1,376.93mm)
-7.30"
(-185.42mm)
11th Driest
Driest since:
2022
115th Wettest
Wettest since:
1943
Jun 2009–May 2013
48-Month
65.81"
(1,671.57mm)
72.23"
(1,834.64mm)
-6.42"
(-163.07mm)
20th Driest
Driest since:
1956
105th Wettest
Wettest since:
1944
Jun 2008–May 2013
60-Month
83.72"
(2,126.49mm)
90.24"
(2,292.10mm)
-6.52"
(-165.61mm)
27th Driest
Driest since:
2022
97th Wettest
Wettest since:
1987

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