Statewide Rankings

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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 1959

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
May 1959 1-Month	2.06" (52.32mm)	2.02" (51.31mm)	0.04" (1.01mm)	73rd Driest	Driest since: 1956	1974
	2.06" (52.32mm)	2.02" (51.31mm)	0.04" (1.01mm)	56th Wettest	Wettest since: 1958	2015
	Ties: 1920
Apr–May 1959 2-Month	3.62" (91.95mm)	3.86" (98.04mm)	-0.24" (-6.09mm)	61st Driest	Driest since: 1956	2002
	3.62" (91.95mm)	3.86" (98.04mm)	-0.24" (-6.09mm)	68th Wettest	Wettest since: 1958	1957
	Ties: 1940
Mar–May 1959 3-Month	5.02" (127.51mm)	5.37" (136.40mm)	-0.35" (-8.89mm)	58th Driest	Driest since: 1956	2002
Mar–May 1959 3-Month	5.02" (127.51mm)	5.37" (136.40mm)	-0.35" (-8.89mm)	71st Wettest	Wettest since: 1958	1957
Feb–May 1959 4-Month	6.43" (163.32mm)	6.46" (164.08mm)	-0.03" (-0.76mm)	72nd Driest	Driest since: 1956	2002
Feb–May 1959 4-Month	6.43" (163.32mm)	6.46" (164.08mm)	-0.03" (-0.76mm)	57th Wettest	Wettest since: 1958	1905
Jan–May 1959 5-Month	7.39" (187.71mm)	7.52" (191.01mm)	-0.13" (-3.30mm)	68th Driest	Driest since: 1956	2002
	7.39" (187.71mm)	7.52" (191.01mm)	-0.13" (-3.30mm)	61st Wettest	Wettest since: 1958	1957
	Ties: 1903
Dec 1958–May 1959 6-Month	8.20" (208.28mm)	8.60" (218.44mm)	-0.40" (-10.16mm)	54th Driest	Driest since: 1956	2002
Dec 1958–May 1959 6-Month	8.20" (208.28mm)	8.60" (218.44mm)	-0.40" (-10.16mm)	74th Wettest	Wettest since: 1958	1957
Nov 1958–May 1959 7-Month	9.07" (230.38mm)	9.66" (245.36mm)	-0.59" (-14.98mm)	55th Driest	Driest since: 1956	2002
Nov 1958–May 1959 7-Month	9.07" (230.38mm)	9.66" (245.36mm)	-0.59" (-14.98mm)	73rd Wettest	Wettest since: 1958	1957
Oct 1958–May 1959 8-Month	9.78" (248.41mm)	11.00" (279.40mm)	-1.22" (-30.99mm)	45th Driest	Driest since: 1956	2002
Oct 1958–May 1959 8-Month	9.78" (248.41mm)	11.00" (279.40mm)	-1.22" (-30.99mm)	83rd Wettest	Wettest since: 1958	1995
Sep 1958–May 1959 9-Month	11.13" (282.70mm)	12.43" (315.72mm)	-1.30" (-33.02mm)	41st Driest	Driest since: 1956	2002
Sep 1958–May 1959 9-Month	11.13" (282.70mm)	12.43" (315.72mm)	-1.30" (-33.02mm)	87th Wettest	Wettest since: 1958	1942
Aug 1958–May 1959 10-Month	12.65" (321.31mm)	14.44" (366.78mm)	-1.79" (-45.47mm)	33rd Driest	Driest since: 1956	2002
	12.65" (321.31mm)	14.44" (366.78mm)	-1.79" (-45.47mm)	95th Wettest	Wettest since: 1958	1942
	Ties: 1945
Jul 1958–May 1959 11-Month	14.82" (376.43mm)	16.54" (420.12mm)	-1.72" (-43.69mm)	35th Driest	Driest since: 1956	2002
Jul 1958–May 1959 11-Month	14.82" (376.43mm)	16.54" (420.12mm)	-1.72" (-43.69mm)	93rd Wettest	Wettest since: 1958	1942
Jun 1958–May 1959 12-Month	16.21" (411.73mm)	18.08" (459.23mm)	-1.87" (-47.50mm)	38th Driest	Driest since: 1956	2002
Jun 1958–May 1959 12-Month	16.21" (411.73mm)	18.08" (459.23mm)	-1.87" (-47.50mm)	90th Wettest	Wettest since: 1958	1942
Dec 1957–May 1959 18-Month	24.75" (628.65mm)	26.70" (678.18mm)	-1.95" (-49.53mm)	40th Driest	Driest since: 1956	2013
	24.75" (628.65mm)	26.70" (678.18mm)	-1.95" (-49.53mm)	87th Wettest	Wettest since: 1958	1942
	Ties: 1936
Jun 1957–May 1959 24-Month	36.64" (930.66mm)	36.18" (918.97mm)	0.46" (11.69mm)	74th Driest	Driest since: 1957	1902
Jun 1957–May 1959 24-Month	36.64" (930.66mm)	36.18" (918.97mm)	0.46" (11.69mm)	53rd Wettest	Wettest since: 1958	1942
Jun 1956–May 1959 36-Month	56.71" (1,440.43mm)	54.21" (1,376.93mm)	2.50" (63.50mm)	90th Driest	Driest since: 1958	2022
Jun 1956–May 1959 36-Month	56.71" (1,440.43mm)	54.21" (1,376.93mm)	2.50" (63.50mm)	36th Wettest	Wettest since: 1949	1943
Jun 1955–May 1959 48-Month	71.72" (1,821.69mm)	72.23" (1,834.64mm)	-0.51" (-12.95mm)	61st Driest	Driest since: 1958	1956
Jun 1955–May 1959 48-Month	71.72" (1,821.69mm)	72.23" (1,834.64mm)	-0.51" (-12.95mm)	64th Wettest	Wettest since: 1950	1944
Jun 1954–May 1959 60-Month	87.58" (2,224.53mm)	90.24" (2,292.10mm)	-2.66" (-67.57mm)	41st Driest	Driest since: 1958	2022
Jun 1954–May 1959 60-Month	87.58" (2,224.53mm)	90.24" (2,292.10mm)	-2.66" (-67.57mm)	83rd Wettest	Wettest since: 1952	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 24, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings