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 1956

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
May 1956 1-Month	1.22" (30.99mm)	2.02" (51.31mm)	-0.80" (-20.32mm)	21st Driest	Driest since: 1950	1974
	1.22" (30.99mm)	2.02" (51.31mm)	-0.80" (-20.32mm)	108th Wettest	Wettest since: 1955	2015
	Ties: 1950, 1984
Apr–May 1956 2-Month	2.70" (68.58mm)	3.86" (98.04mm)	-1.16" (-29.46mm)	26th Driest	Driest since: 1954	2002
Apr–May 1956 2-Month	2.70" (68.58mm)	3.86" (98.04mm)	-1.16" (-29.46mm)	103rd Wettest	Wettest since: 1955	1957
Mar–May 1956 3-Month	3.43" (87.12mm)	5.37" (136.40mm)	-1.94" (-49.28mm)	14th Driest	Driest since: 1939	2002
Mar–May 1956 3-Month	3.43" (87.12mm)	5.37" (136.40mm)	-1.94" (-49.28mm)	115th Wettest	Wettest since: 1955	1957
Feb–May 1956 4-Month	4.54" (115.32mm)	6.46" (164.08mm)	-1.92" (-48.76mm)	13th Driest	Driest since: 1954	2002
	4.54" (115.32mm)	6.46" (164.08mm)	-1.92" (-48.76mm)	116th Wettest	Wettest since: 1955	1905
	Ties: 1913
Jan–May 1956 5-Month	6.41" (162.81mm)	7.52" (191.01mm)	-1.11" (-28.20mm)	30th Driest	Driest since: 1954	2002
	6.41" (162.81mm)	7.52" (191.01mm)	-1.11" (-28.20mm)	99th Wettest	Wettest since: 1955	1957
	Ties: 1939
Dec 1955–May 1956 6-Month	7.28" (184.91mm)	8.60" (218.44mm)	-1.32" (-33.53mm)	28th Driest	Driest since: 1954	2002
Dec 1955–May 1956 6-Month	7.28" (184.91mm)	8.60" (218.44mm)	-1.32" (-33.53mm)	100th Wettest	Wettest since: 1955	1957
Nov 1955–May 1956 7-Month	8.56" (217.42mm)	9.66" (245.36mm)	-1.10" (-27.94mm)	33rd Driest	Driest since: 1955	2002
Nov 1955–May 1956 7-Month	8.56" (217.42mm)	9.66" (245.36mm)	-1.10" (-27.94mm)	95th Wettest	Wettest since: 1953	1957
Oct 1955–May 1956 8-Month	9.02" (229.11mm)	11.00" (279.40mm)	-1.98" (-50.29mm)	23rd Driest	Driest since: 1954	2002
Oct 1955–May 1956 8-Month	9.02" (229.11mm)	11.00" (279.40mm)	-1.98" (-50.29mm)	105th Wettest	Wettest since: 1955	1995
Sep 1955–May 1956 9-Month	9.84" (249.94mm)	12.43" (315.72mm)	-2.59" (-65.78mm)	13th Driest	Driest since: 1954	2002
Sep 1955–May 1956 9-Month	9.84" (249.94mm)	12.43" (315.72mm)	-2.59" (-65.78mm)	115th Wettest	Wettest since: 1955	1942
Aug 1955–May 1956 10-Month	12.51" (317.75mm)	14.44" (366.78mm)	-1.93" (-49.03mm)	30th Driest	Driest since: 1954	2002
Aug 1955–May 1956 10-Month	12.51" (317.75mm)	14.44" (366.78mm)	-1.93" (-49.03mm)	98th Wettest	Wettest since: 1955	1942
Jul 1955–May 1956 11-Month	13.90" (353.06mm)	16.54" (420.12mm)	-2.64" (-67.06mm)	24th Driest	Driest since: 1954	2002
Jul 1955–May 1956 11-Month	13.90" (353.06mm)	16.54" (420.12mm)	-2.64" (-67.06mm)	104th Wettest	Wettest since: 1955	1942
Jun 1955–May 1956 12-Month	15.01" (381.25mm)	18.08" (459.23mm)	-3.07" (-77.98mm)	19th Driest	Driest since: 1954	2002
Jun 1955–May 1956 12-Month	15.01" (381.25mm)	18.08" (459.23mm)	-3.07" (-77.98mm)	109th Wettest	Wettest since: 1955	1942
Dec 1954–May 1956 18-Month	22.53" (572.26mm)	26.70" (678.18mm)	-4.17" (-105.92mm)	16th Driest	Driest since: 1955	2013
Dec 1954–May 1956 18-Month	22.53" (572.26mm)	26.70" (678.18mm)	-4.17" (-105.92mm)	111th Wettest	Wettest since: 1953	1942
Jun 1954–May 1956 24-Month	30.87" (784.10mm)	36.18" (918.97mm)	-5.31" (-134.87mm)	11th Driest	Driest since: 1955	1902
Jun 1954–May 1956 24-Month	30.87" (784.10mm)	36.18" (918.97mm)	-5.31" (-134.87mm)	116th Wettest	Wettest since: 1953	1942
Jun 1953–May 1956 36-Month	45.19" (1,147.83mm)	54.21" (1,376.93mm)	-9.02" (-229.10mm)	5th Driest	Driest since: 1955	2022
Jun 1953–May 1956 36-Month	45.19" (1,147.83mm)	54.21" (1,376.93mm)	-9.02" (-229.10mm)	121st Wettest	Wettest since: 1954	1943
Jun 1952–May 1956 48-Month	59.71" (1,516.63mm)	72.23" (1,834.64mm)	-12.52" (-318.01mm)	1st Driest	Driest since: 1956	1956
Jun 1952–May 1956 48-Month	59.71" (1,516.63mm)	72.23" (1,834.64mm)	-12.52" (-318.01mm)	124th Wettest	Wettest since: 1955	1944
Jun 1951–May 1956 60-Month	80.04" (2,033.02mm)	90.24" (2,292.10mm)	-10.20" (-259.08mm)	9th Driest	Driest since: 1937	2022
Jun 1951–May 1956 60-Month	80.04" (2,033.02mm)	90.24" (2,292.10mm)	-10.20" (-259.08mm)	115th Wettest	Wettest since: 1955	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