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, September 1941

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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
September 1941 1-Month	3.13" (79.50mm)	1.43" (36.32mm)	1.70" (43.18mm)	127th Driest	Driest since: 1940	1956
September 1941 1-Month	3.13" (79.50mm)	1.43" (36.32mm)	1.70" (43.18mm)	2nd Wettest	Wettest to Date	2013
Aug–Sep 1941 2-Month	5.33" (135.38mm)	3.46" (87.88mm)	1.87" (47.50mm)	124th Driest	Driest since: 1940	1944
Aug–Sep 1941 2-Month	5.33" (135.38mm)	3.46" (87.88mm)	1.87" (47.50mm)	5th Wettest	Wettest since: 1929	2013
Jul–Sep 1941 3-Month	7.67" (194.82mm)	5.56" (141.22mm)	2.11" (53.60mm)	120th Driest	Driest since: 1940	1900
Jul–Sep 1941 3-Month	7.67" (194.82mm)	5.56" (141.22mm)	2.11" (53.60mm)	9th Wettest	Wettest since: 1929	2013
Jun–Sep 1941 4-Month	10.07" (255.78mm)	7.10" (180.34mm)	2.97" (75.44mm)	124th Driest	Driest since: 1940	1924
Jun–Sep 1941 4-Month	10.07" (255.78mm)	7.10" (180.34mm)	2.97" (75.44mm)	5th Wettest	Wettest since: 1927	1965
May–Sep 1941 5-Month	12.43" (315.72mm)	9.12" (231.65mm)	3.31" (84.07mm)	125th Driest	Driest since: 1940	1939
May–Sep 1941 5-Month	12.43" (315.72mm)	9.12" (231.65mm)	3.31" (84.07mm)	4th Wettest	Wettest since: 1923	1965
Apr–Sep 1941 6-Month	15.54" (394.72mm)	10.96" (278.38mm)	4.58" (116.34mm)	126th Driest	Driest since: 1940	1939
Apr–Sep 1941 6-Month	15.54" (394.72mm)	10.96" (278.38mm)	4.58" (116.34mm)	3rd Wettest	Wettest to Date	1999
Mar–Sep 1941 7-Month	18.00" (457.20mm)	12.47" (316.74mm)	5.53" (140.46mm)	128th Driest	Driest since: 1940	2002
Mar–Sep 1941 7-Month	18.00" (457.20mm)	12.47" (316.74mm)	5.53" (140.46mm)	1st Wettest	Wettest to Date	1941
Feb–Sep 1941 8-Month	18.92" (480.57mm)	13.56" (344.42mm)	5.36" (136.15mm)	128th Driest	Driest since: 1940	2002
Feb–Sep 1941 8-Month	18.92" (480.57mm)	13.56" (344.42mm)	5.36" (136.15mm)	1st Wettest	Wettest to Date	1941
Jan–Sep 1941 9-Month	20.29" (515.37mm)	14.62" (371.35mm)	5.67" (144.02mm)	127th Driest	Driest since: 1940	2002
Jan–Sep 1941 9-Month	20.29" (515.37mm)	14.62" (371.35mm)	5.67" (144.02mm)	2nd Wettest	Wettest to Date	1957
Dec 1940–Sep 1941 10-Month	21.60" (548.64mm)	15.70" (398.78mm)	5.90" (149.86mm)	126th Driest	Driest since: 1940	2002
Dec 1940–Sep 1941 10-Month	21.60" (548.64mm)	15.70" (398.78mm)	5.90" (149.86mm)	2nd Wettest	Wettest to Date	1957
Nov 1940–Sep 1941 11-Month	22.91" (581.91mm)	16.76" (425.70mm)	6.15" (156.21mm)	127th Driest	Driest since: 1940	2002
Nov 1940–Sep 1941 11-Month	22.91" (581.91mm)	16.76" (425.70mm)	6.15" (156.21mm)	1st Wettest	Wettest to Date	1941
Oct 1940–Sep 1941 12-Month	23.91" (607.31mm)	18.10" (459.74mm)	5.81" (147.57mm)	126th Driest	Driest since: 1940	2002
Oct 1940–Sep 1941 12-Month	23.91" (607.31mm)	18.10" (459.74mm)	5.81" (147.57mm)	2nd Wettest	Wettest to Date	1995
Apr 1940–Sep 1941 18-Month	34.20" (868.68mm)	29.08" (738.63mm)	5.12" (130.05mm)	124th Driest	Driest since: 1940	2002
Apr 1940–Sep 1941 18-Month	34.20" (868.68mm)	29.08" (738.63mm)	5.12" (130.05mm)	4th Wettest	Wettest since: 1915	1942
Oct 1939–Sep 1941 24-Month	40.51" (1,028.95mm)	36.22" (919.99mm)	4.29" (108.96mm)	114th Driest	Driest since: 1940	2003
Oct 1939–Sep 1941 24-Month	40.51" (1,028.95mm)	36.22" (919.99mm)	4.29" (108.96mm)	13th Wettest	Wettest since: 1921	1942
Oct 1938–Sep 1941 36-Month	54.65" (1,388.11mm)	54.27" (1,378.46mm)	0.38" (9.65mm)	68th Driest	Driest since: 1940	1956
Oct 1938–Sep 1941 36-Month	54.65" (1,388.11mm)	54.27" (1,378.46mm)	0.38" (9.65mm)	58th Wettest	Wettest since: 1930	1997
Oct 1937–Sep 1941 48-Month	75.78" (1,924.81mm)	72.31" (1,836.67mm)	3.47" (88.14mm)	92nd Driest	Driest since: 1940	1956
Oct 1937–Sep 1941 48-Month	75.78" (1,924.81mm)	72.31" (1,836.67mm)	3.47" (88.14mm)	33rd Wettest	Wettest since: 1930	1998
Oct 1936–Sep 1941 60-Month	91.52" (2,324.61mm)	90.33" (2,294.38mm)	1.19" (30.23mm)	75th Driest	Driest since: 1940	2022
Oct 1936–Sep 1941 60-Month	91.52" (2,324.61mm)	90.33" (2,294.38mm)	1.19" (30.23mm)	49th Wettest	Wettest since: 1930	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published March 2023, retrieved on March 26, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings