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 1974

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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 1974 1-Month	0.43" (10.92mm)	2.02" (51.31mm)	-1.59" (-40.39mm)	1st Driest	Driest since: 1974	1974
May 1974 1-Month	0.43" (10.92mm)	2.02" (51.31mm)	-1.59" (-40.39mm)	128th Wettest	Wettest since: 1973	2015
Apr–May 1974 2-Month	1.89" (48.01mm)	3.86" (98.04mm)	-1.97" (-50.03mm)	6th Driest	Driest since: 1963	2002
Apr–May 1974 2-Month	1.89" (48.01mm)	3.86" (98.04mm)	-1.97" (-50.03mm)	123rd Wettest	Wettest since: 1973	1957
Mar–May 1974 3-Month	3.36" (85.34mm)	5.37" (136.40mm)	-2.01" (-51.06mm)	12th Driest	Driest since: 1972	2002
Mar–May 1974 3-Month	3.36" (85.34mm)	5.37" (136.40mm)	-2.01" (-51.06mm)	117th Wettest	Wettest since: 1973	1957
Feb–May 1974 4-Month	3.97" (100.84mm)	6.46" (164.08mm)	-2.49" (-63.24mm)	6th Driest	Driest since: 1972	2002
Feb–May 1974 4-Month	3.97" (100.84mm)	6.46" (164.08mm)	-2.49" (-63.24mm)	123rd Wettest	Wettest since: 1973	1905
Jan–May 1974 5-Month	5.79" (147.07mm)	7.52" (191.01mm)	-1.73" (-43.94mm)	18th Driest	Driest since: 1972	2002
Jan–May 1974 5-Month	5.79" (147.07mm)	7.52" (191.01mm)	-1.73" (-43.94mm)	111th Wettest	Wettest since: 1973	1957
Dec 1973–May 1974 6-Month	7.40" (187.96mm)	8.60" (218.44mm)	-1.20" (-30.48mm)	30th Driest	Driest since: 1972	2002
	7.40" (187.96mm)	8.60" (218.44mm)	-1.20" (-30.48mm)	98th Wettest	Wettest since: 1973	1957
	Ties: 1992, 2013
Nov 1973–May 1974 7-Month	8.55" (217.17mm)	9.66" (245.36mm)	-1.11" (-28.19mm)	32nd Driest	Driest since: 1972	2002
Nov 1973–May 1974 7-Month	8.55" (217.17mm)	9.66" (245.36mm)	-1.11" (-28.19mm)	96th Wettest	Wettest since: 1973	1957
Oct 1973–May 1974 8-Month	9.20" (233.68mm)	11.00" (279.40mm)	-1.80" (-45.72mm)	28th Driest	Driest since: 1972	2002
Oct 1973–May 1974 8-Month	9.20" (233.68mm)	11.00" (279.40mm)	-1.80" (-45.72mm)	100th Wettest	Wettest since: 1973	1995
Sep 1973–May 1974 9-Month	11.09" (281.69mm)	12.43" (315.72mm)	-1.34" (-34.03mm)	40th Driest	Driest since: 1972	2002
Sep 1973–May 1974 9-Month	11.09" (281.69mm)	12.43" (315.72mm)	-1.34" (-34.03mm)	88th Wettest	Wettest since: 1973	1942
Aug 1973–May 1974 10-Month	12.23" (310.64mm)	14.44" (366.78mm)	-2.21" (-56.14mm)	25th Driest	Driest since: 1972	2002
Aug 1973–May 1974 10-Month	12.23" (310.64mm)	14.44" (366.78mm)	-2.21" (-56.14mm)	103rd Wettest	Wettest since: 1973	1942
Jul 1973–May 1974 11-Month	14.84" (376.94mm)	16.54" (420.12mm)	-1.70" (-43.18mm)	36th Driest	Driest since: 1972	2002
Jul 1973–May 1974 11-Month	14.84" (376.94mm)	16.54" (420.12mm)	-1.70" (-43.18mm)	92nd Wettest	Wettest since: 1973	1942
Jun 1973–May 1974 12-Month	16.15" (410.21mm)	18.08" (459.23mm)	-1.93" (-49.02mm)	35th Driest	Driest since: 1972	2002
Jun 1973–May 1974 12-Month	16.15" (410.21mm)	18.08" (459.23mm)	-1.93" (-49.02mm)	93rd Wettest	Wettest since: 1973	1942
Dec 1972–May 1974 18-Month	26.01" (660.65mm)	26.70" (678.18mm)	-0.69" (-17.53mm)	52nd Driest	Driest since: 1972	2013
Dec 1972–May 1974 18-Month	26.01" (660.65mm)	26.70" (678.18mm)	-0.69" (-17.53mm)	75th Wettest	Wettest since: 1973	1942
Jun 1972–May 1974 24-Month	37.41" (950.21mm)	36.18" (918.97mm)	1.23" (31.24mm)	83rd Driest	Driest since: 1973	1902
Jun 1972–May 1974 24-Month	37.41" (950.21mm)	36.18" (918.97mm)	1.23" (31.24mm)	44th Wettest	Wettest since: 1971	1942
Jun 1971–May 1974 36-Month	51.81" (1,315.97mm)	54.21" (1,376.93mm)	-2.40" (-60.96mm)	39th Driest	Driest since: 1965	2022
Jun 1971–May 1974 36-Month	51.81" (1,315.97mm)	54.21" (1,376.93mm)	-2.40" (-60.96mm)	87th Wettest	Wettest since: 1973	1943
Jun 1970–May 1974 48-Month	70.46" (1,789.68mm)	72.23" (1,834.64mm)	-1.77" (-44.96mm)	47th Driest	Driest since: 1972	1956
Jun 1970–May 1974 48-Month	70.46" (1,789.68mm)	72.23" (1,834.64mm)	-1.77" (-44.96mm)	78th Wettest	Wettest since: 1973	1944
Jun 1969–May 1974 60-Month	90.42" (2,296.67mm)	90.24" (2,292.10mm)	0.18" (4.57mm)	63rd Driest	Driest since: 1972	2022
Jun 1969–May 1974 60-Month	90.42" (2,296.67mm)	90.24" (2,292.10mm)	0.18" (4.57mm)	61st Wettest	Wettest since: 1973	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on February 4, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings