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 2013

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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 2013 1-Month	1.55" (39.37mm)	2.02" (51.31mm)	-0.47" (-11.94mm)	40th Driest	Driest since: 2012	1974
	1.55" (39.37mm)	2.02" (51.31mm)	-0.47" (-11.94mm)	89th Wettest	Wettest since: 2011	2015
	Ties: 2008
Apr–May 2013 2-Month	3.22" (81.79mm)	3.86" (98.04mm)	-0.64" (-16.25mm)	41st Driest	Driest since: 2012	2002
Apr–May 2013 2-Month	3.22" (81.79mm)	3.86" (98.04mm)	-0.64" (-16.25mm)	88th Wettest	Wettest since: 2011	1957
Mar–May 2013 3-Month	4.29" (108.97mm)	5.37" (136.40mm)	-1.08" (-27.43mm)	29th Driest	Driest since: 2012	2002
Mar–May 2013 3-Month	4.29" (108.97mm)	5.37" (136.40mm)	-1.08" (-27.43mm)	100th Wettest	Wettest since: 2011	1957
Feb–May 2013 4-Month	5.18" (131.57mm)	6.46" (164.08mm)	-1.28" (-32.51mm)	23rd Driest	Driest since: 2012	2002
Feb–May 2013 4-Month	5.18" (131.57mm)	6.46" (164.08mm)	-1.28" (-32.51mm)	106th Wettest	Wettest since: 2011	1905
Jan–May 2013 5-Month	6.09" (154.69mm)	7.52" (191.01mm)	-1.43" (-36.32mm)	24th Driest	Driest since: 2012	2002
Jan–May 2013 5-Month	6.09" (154.69mm)	7.52" (191.01mm)	-1.43" (-36.32mm)	105th Wettest	Wettest since: 2011	1957
Dec 2012–May 2013 6-Month	7.40" (187.96mm)	8.60" (218.44mm)	-1.20" (-30.48mm)	30th Driest	Driest since: 2012	2002
	7.40" (187.96mm)	8.60" (218.44mm)	-1.20" (-30.48mm)	98th Wettest	Wettest since: 2011	1957
	Ties: 1974, 1992
Nov 2012–May 2013 7-Month	7.84" (199.14mm)	9.66" (245.36mm)	-1.82" (-46.22mm)	20th Driest	Driest since: 2012	2002
Nov 2012–May 2013 7-Month	7.84" (199.14mm)	9.66" (245.36mm)	-1.82" (-46.22mm)	108th Wettest	Wettest since: 2011	1957
Oct 2012–May 2013 8-Month	8.56" (217.42mm)	11.00" (279.40mm)	-2.44" (-61.98mm)	16th Driest	Driest since: 2012	2002
Oct 2012–May 2013 8-Month	8.56" (217.42mm)	11.00" (279.40mm)	-2.44" (-61.98mm)	112th Wettest	Wettest since: 2011	1995
Sep 2012–May 2013 9-Month	9.85" (250.19mm)	12.43" (315.72mm)	-2.58" (-65.53mm)	14th Driest	Driest since: 2012	2002
Sep 2012–May 2013 9-Month	9.85" (250.19mm)	12.43" (315.72mm)	-2.58" (-65.53mm)	114th Wettest	Wettest since: 2011	1942
Aug 2012–May 2013 10-Month	10.92" (277.37mm)	14.44" (366.78mm)	-3.52" (-89.41mm)	8th Driest	Driest since: 2002	2002
Aug 2012–May 2013 10-Month	10.92" (277.37mm)	14.44" (366.78mm)	-3.52" (-89.41mm)	120th Wettest	Wettest since: 2012	1942
Jul 2012–May 2013 11-Month	13.19" (335.03mm)	16.54" (420.12mm)	-3.35" (-85.09mm)	10th Driest	Driest since: 2002	2002
Jul 2012–May 2013 11-Month	13.19" (335.03mm)	16.54" (420.12mm)	-3.35" (-85.09mm)	118th Wettest	Wettest since: 2012	1942
Jun 2012–May 2013 12-Month	13.61" (345.69mm)	18.08" (459.23mm)	-4.47" (-113.54mm)	4th Driest	Driest since: 2002	2002
Jun 2012–May 2013 12-Month	13.61" (345.69mm)	18.08" (459.23mm)	-4.47" (-113.54mm)	124th Wettest	Wettest since: 2012	1942
Dec 2011–May 2013 18-Month	19.31" (490.47mm)	26.70" (678.18mm)	-7.39" (-187.71mm)	1st Driest	Driest since: 2013	2013
Dec 2011–May 2013 18-Month	19.31" (490.47mm)	26.70" (678.18mm)	-7.39" (-187.71mm)	126th Wettest	Wettest since: 2012	1942
Jun 2011–May 2013 24-Month	28.31" (719.07mm)	36.18" (918.97mm)	-7.87" (-199.90mm)	3rd Driest	Driest since: 2003	1902
Jun 2011–May 2013 24-Month	28.31" (719.07mm)	36.18" (918.97mm)	-7.87" (-199.90mm)	124th Wettest	Wettest since: 2012	1942
Jun 2010–May 2013 36-Month	46.91" (1,191.51mm)	54.21" (1,376.93mm)	-7.30" (-185.42mm)	11th Driest	Driest since: 2004	2022
Jun 2010–May 2013 36-Month	46.91" (1,191.51mm)	54.21" (1,376.93mm)	-7.30" (-185.42mm)	115th Wettest	Wettest since: 2012	1943
Jun 2009–May 2013 48-Month	65.81" (1,671.57mm)	72.23" (1,834.64mm)	-6.42" (-163.07mm)	20th Driest	Driest since: 2005	1956
Jun 2009–May 2013 48-Month	65.81" (1,671.57mm)	72.23" (1,834.64mm)	-6.42" (-163.07mm)	105th Wettest	Wettest since: 2012	1944
Jun 2008–May 2013 60-Month	83.72" (2,126.49mm)	90.24" (2,292.10mm)	-6.52" (-165.61mm)	27th Driest	Driest since: 2006	2022
Jun 2008–May 2013 60-Month	83.72" (2,126.49mm)	90.24" (2,292.10mm)	-6.52" (-165.61mm)	97th Wettest	Wettest since: 2012	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