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 1955

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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 1955 1-Month	2.81" (71.37mm)	2.02" (51.31mm)	0.79" (20.06mm)	110th Driest	Driest since: 1954	1974
May 1955 1-Month	2.81" (71.37mm)	2.02" (51.31mm)	0.79" (20.06mm)	19th Wettest	Wettest since: 1947	2015
Apr–May 1955 2-Month	3.87" (98.30mm)	3.86" (98.04mm)	0.01" (0.26mm)	76th Driest	Driest since: 1954	2002
Apr–May 1955 2-Month	3.87" (98.30mm)	3.86" (98.04mm)	0.01" (0.26mm)	53rd Wettest	Wettest since: 1953	1957
Mar–May 1955 3-Month	4.62" (117.35mm)	5.37" (136.40mm)	-0.75" (-19.05mm)	42nd Driest	Driest since: 1954	2002
	4.62" (117.35mm)	5.37" (136.40mm)	-0.75" (-19.05mm)	87th Wettest	Wettest since: 1953	1957
	Ties: 1932
Feb–May 1955 4-Month	5.96" (151.38mm)	6.46" (164.08mm)	-0.50" (-12.70mm)	51st Driest	Driest since: 1954	2002
Feb–May 1955 4-Month	5.96" (151.38mm)	6.46" (164.08mm)	-0.50" (-12.70mm)	78th Wettest	Wettest since: 1953	1905
Jan–May 1955 5-Month	6.73" (170.94mm)	7.52" (191.01mm)	-0.79" (-20.07mm)	39th Driest	Driest since: 1954	2002
Jan–May 1955 5-Month	6.73" (170.94mm)	7.52" (191.01mm)	-0.79" (-20.07mm)	90th Wettest	Wettest since: 1953	1957
Dec 1954–May 1955 6-Month	7.52" (191.01mm)	8.60" (218.44mm)	-1.08" (-27.43mm)	35th Driest	Driest since: 1954	2002
Dec 1954–May 1955 6-Month	7.52" (191.01mm)	8.60" (218.44mm)	-1.08" (-27.43mm)	93rd Wettest	Wettest since: 1953	1957
Nov 1954–May 1955 7-Month	8.40" (213.36mm)	9.66" (245.36mm)	-1.26" (-32.00mm)	29th Driest	Driest since: 1954	2002
Nov 1954–May 1955 7-Month	8.40" (213.36mm)	9.66" (245.36mm)	-1.26" (-32.00mm)	99th Wettest	Wettest since: 1953	1957
Oct 1954–May 1955 8-Month	9.62" (244.35mm)	11.00" (279.40mm)	-1.38" (-35.05mm)	40th Driest	Driest since: 1954	2002
Oct 1954–May 1955 8-Month	9.62" (244.35mm)	11.00" (279.40mm)	-1.38" (-35.05mm)	88th Wettest	Wettest since: 1952	1995
Sep 1954–May 1955 9-Month	11.30" (287.02mm)	12.43" (315.72mm)	-1.13" (-28.70mm)	44th Driest	Driest since: 1954	2002
Sep 1954–May 1955 9-Month	11.30" (287.02mm)	12.43" (315.72mm)	-1.13" (-28.70mm)	84th Wettest	Wettest since: 1952	1942
Aug 1954–May 1955 10-Month	13.00" (330.20mm)	14.44" (366.78mm)	-1.44" (-36.58mm)	41st Driest	Driest since: 1954	2002
Aug 1954–May 1955 10-Month	13.00" (330.20mm)	14.44" (366.78mm)	-1.44" (-36.58mm)	87th Wettest	Wettest since: 1952	1942
Jul 1954–May 1955 11-Month	15.18" (385.57mm)	16.54" (420.12mm)	-1.36" (-34.55mm)	41st Driest	Driest since: 1954	2002
Jul 1954–May 1955 11-Month	15.18" (385.57mm)	16.54" (420.12mm)	-1.36" (-34.55mm)	87th Wettest	Wettest since: 1952	1942
Jun 1954–May 1955 12-Month	15.86" (402.84mm)	18.08" (459.23mm)	-2.22" (-56.39mm)	30th Driest	Driest since: 1954	2002
Jun 1954–May 1955 12-Month	15.86" (402.84mm)	18.08" (459.23mm)	-2.22" (-56.39mm)	98th Wettest	Wettest since: 1952	1942
Dec 1953–May 1955 18-Month	21.60" (548.64mm)	26.70" (678.18mm)	-5.10" (-129.54mm)	8th Driest	Driest since: 1925	2013
Dec 1953–May 1955 18-Month	21.60" (548.64mm)	26.70" (678.18mm)	-5.10" (-129.54mm)	119th Wettest	Wettest since: 1954	1942
Jun 1953–May 1955 24-Month	30.18" (766.57mm)	36.18" (918.97mm)	-6.00" (-152.40mm)	10th Driest	Driest since: 1954	1902
Jun 1953–May 1955 24-Month	30.18" (766.57mm)	36.18" (918.97mm)	-6.00" (-152.40mm)	117th Wettest	Wettest since: 1953	1942
Jun 1952–May 1955 36-Month	44.70" (1,135.38mm)	54.21" (1,376.93mm)	-9.51" (-241.55mm)	3rd Driest	Driest to Date	2022
Jun 1952–May 1955 36-Month	44.70" (1,135.38mm)	54.21" (1,376.93mm)	-9.51" (-241.55mm)	123rd Wettest	Wettest since: 1954	1943
Jun 1951–May 1955 48-Month	65.03" (1,651.76mm)	72.23" (1,834.64mm)	-7.20" (-182.88mm)	16th Driest	Driest since: 1954	1956
Jun 1951–May 1955 48-Month	65.03" (1,651.76mm)	72.23" (1,834.64mm)	-7.20" (-182.88mm)	109th Wettest	Wettest since: 1953	1944
Jun 1950–May 1955 60-Month	80.53" (2,045.46mm)	90.24" (2,292.10mm)	-9.71" (-246.64mm)	11th Driest	Driest since: 1937	2022
Jun 1950–May 1955 60-Month	80.53" (2,045.46mm)	90.24" (2,292.10mm)	-9.71" (-246.64mm)	113th Wettest	Wettest since: 1954	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 31, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings