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, July 1902

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  • Record Wettest
Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
July 1902
1-Month 		1.41"
(35.81mm)		 2.10"
(53.34mm)		 -0.69"
(-17.53mm)		 16th Driest
Driest since:
 1900
113th Wettest
Wettest since:
 1998
Ties: 1931
Jun–Jul 1902
2-Month 		2.56"
(65.02mm)		 3.64"
(92.46mm)		 -1.08"
(-27.44mm)		 18th Driest
Driest since:
 1924
111th Wettest
Wettest since:
 1965
May–Jul 1902
3-Month 		5.09"
(129.29mm)		 5.66"
(143.76mm)		 -0.57"
(-14.47mm)		 49th Driest
Driest since:
 2002
80th Wettest
Wettest since:
 2015
Apr–Jul 1902
4-Month 		5.85"
(148.59mm)		 7.50"
(190.50mm)		 -1.65"
(-41.91mm)		 19th Driest
Driest since:
 2002
110th Wettest
Wettest since:
 1957
Mar–Jul 1902
5-Month 		7.11"
(180.59mm)		 9.02"
(229.11mm)		 -1.91"
(-48.52mm)		 19th Driest
Driest since:
 2002
110th Wettest
Wettest since:
 1957
Feb–Jul 1902
6-Month 		7.83"
(198.88mm)		 10.11"
(256.79mm)		 -2.28"
(-57.91mm)		 16th Driest
Driest since:
 2002
113th Wettest
Wettest since:
 1995
Jan–Jul 1902
7-Month 		8.46"
(214.88mm)		 11.17"
(283.72mm)		 -2.71"
(-68.84mm)		 11th Driest
Driest since:
 2002
118th Wettest
Wettest since:
 1957
Dec 1901–Jul 1902
8-Month 		9.67"
(245.62mm)		 12.24"
(310.90mm)		 -2.57"
(-65.28mm)		 12th Driest
Driest since:
 2002
116th Wettest
Wettest since:
 1957
Nov 1901–Jul 1902
9-Month 		9.95"
(252.73mm)		 13.31"
(338.07mm)		 -3.36"
(-85.34mm)		 5th Driest
Driest since:
 2002
123rd Wettest
Wettest since:
 1957
Ties: 1934
Oct 1901–Jul 1902
10-Month 		10.58"
(268.73mm)		 14.64"
(371.86mm)		 -4.06"
(-103.13mm)		 4th Driest
Driest since:
 2002
124th Wettest
Wettest since:
 1995
Sep 1901–Jul 1902
11-Month 		11.19"
(284.23mm)		 16.07"
(408.18mm)		 -4.88"
(-123.95mm)		 2nd Driest
Driest since:
 2002
126th Wettest
Wettest since:
 1995
Aug 1901–Jul 1902
12-Month 		13.70"
(347.98mm)		 18.08"
(459.23mm)		 -4.38"
(-111.25mm)		 4th Driest
Driest since:
 2002
124th Wettest
Wettest since:
 1995
Ties: 1954
Feb 1901–Jul 1902
18-Month 		23.46"
(595.88mm)		 28.21"
(716.53mm)		 -4.75"
(-120.65mm)		 11th Driest
Driest since:
 2002, 2013
117th Wettest
Wettest since:
 1942
Aug 1900–Jul 1902
24-Month 		27.87"
(707.90mm)		 36.18"
(918.97mm)		 -8.31"
(-211.07mm)		 1st Driest
Driest since:
 1902
126th Wettest
Wettest since:
 1942
Aug 1899–Jul 1902
36-Month 		45.78"
(1,162.81mm)		 54.23"
(1,377.44mm)		 -8.45"
(-214.63mm)		 6th Driest
Driest since:
 1956
120th Wettest
Wettest since:
 1943
Aug 1898–Jul 1902
48-Month 		60.97"
(1,548.64mm)		 72.25"
(1,835.15mm)		 -11.28"
(-286.51mm)		 2nd Driest
Driest since:
 1956
123rd Wettest
Wettest since:
 1944
Aug 1897–Jul 1902
60-Month 		81.00"
(2,057.40mm)		 90.27"
(2,292.86mm)		 -9.27"
(-235.46mm)		 13th Driest
Driest since:
 1954
111th Wettest
Wettest since:
 1999

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