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 1983

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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 1983 1-Month	0.67" (17.02mm)	1.43" (36.32mm)	-0.76" (-19.30mm)	16th Driest	Driest since: 1979	1956
September 1983 1-Month	0.67" (17.02mm)	1.43" (36.32mm)	-0.76" (-19.30mm)	113th Wettest	Wettest since: 1982	2013
Aug–Sep 1983 2-Month	2.66" (67.56mm)	3.46" (87.88mm)	-0.80" (-20.32mm)	29th Driest	Driest since: 1980	1944
Aug–Sep 1983 2-Month	2.66" (67.56mm)	3.46" (87.88mm)	-0.80" (-20.32mm)	100th Wettest	Wettest since: 1982	2013
Jul–Sep 1983 3-Month	4.56" (115.82mm)	5.56" (141.22mm)	-1.00" (-25.40mm)	25th Driest	Driest since: 1980	1900
Jul–Sep 1983 3-Month	4.56" (115.82mm)	5.56" (141.22mm)	-1.00" (-25.40mm)	104th Wettest	Wettest since: 1982	2013
Jun–Sep 1983 4-Month	6.94" (176.28mm)	7.10" (180.34mm)	-0.16" (-4.06mm)	68th Driest	Driest since: 1980	1924
Jun–Sep 1983 4-Month	6.94" (176.28mm)	7.10" (180.34mm)	-0.16" (-4.06mm)	61st Wettest	Wettest since: 1982	1965
May–Sep 1983 5-Month	9.67" (245.62mm)	9.12" (231.65mm)	0.55" (13.97mm)	86th Driest	Driest since: 1980	1939
May–Sep 1983 5-Month	9.67" (245.62mm)	9.12" (231.65mm)	0.55" (13.97mm)	43rd Wettest	Wettest since: 1982	1965
Apr–Sep 1983 6-Month	11.78" (299.21mm)	10.96" (278.38mm)	0.82" (20.83mm)	88th Driest	Driest since: 1981	1939
Apr–Sep 1983 6-Month	11.78" (299.21mm)	10.96" (278.38mm)	0.82" (20.83mm)	41st Wettest	Wettest since: 1982	1999
Mar–Sep 1983 7-Month	14.58" (370.33mm)	12.47" (316.74mm)	2.11" (53.59mm)	113th Driest	Driest since: 1982	2002
Mar–Sep 1983 7-Month	14.58" (370.33mm)	12.47" (316.74mm)	2.11" (53.59mm)	16th Wettest	Wettest since: 1965	1941
Feb–Sep 1983 8-Month	15.62" (396.75mm)	13.56" (344.42mm)	2.06" (52.33mm)	111th Driest	Driest since: 1982	2002
Feb–Sep 1983 8-Month	15.62" (396.75mm)	13.56" (344.42mm)	2.06" (52.33mm)	18th Wettest	Wettest since: 1965	1941
Jan–Sep 1983 9-Month	16.19" (411.23mm)	14.62" (371.35mm)	1.57" (39.88mm)	105th Driest	Driest since: 1981	2002
Jan–Sep 1983 9-Month	16.19" (411.23mm)	14.62" (371.35mm)	1.57" (39.88mm)	24th Wettest	Wettest since: 1982	1957
Dec 1982–Sep 1983 10-Month	17.37" (441.20mm)	15.70" (398.78mm)	1.67" (42.42mm)	104th Driest	Driest since: 1981	2002
Dec 1982–Sep 1983 10-Month	17.37" (441.20mm)	15.70" (398.78mm)	1.67" (42.42mm)	24th Wettest	Wettest since: 1982	1957
Nov 1982–Sep 1983 11-Month	18.65" (473.71mm)	16.76" (425.70mm)	1.89" (48.01mm)	104th Driest	Driest since: 1982	2002
Nov 1982–Sep 1983 11-Month	18.65" (473.71mm)	16.76" (425.70mm)	1.89" (48.01mm)	24th Wettest	Wettest since: 1979	1941
Oct 1982–Sep 1983 12-Month	19.71" (500.63mm)	18.10" (459.74mm)	1.61" (40.89mm)	95th Driest	Driest since: 1981	2002
Oct 1982–Sep 1983 12-Month	19.71" (500.63mm)	18.10" (459.74mm)	1.61" (40.89mm)	33rd Wettest	Wettest since: 1982	1995
Apr 1982–Sep 1983 18-Month	32.43" (823.72mm)	29.08" (738.63mm)	3.35" (85.09mm)	111th Driest	Driest since: 1982	2002
Apr 1982–Sep 1983 18-Month	32.43" (823.72mm)	29.08" (738.63mm)	3.35" (85.09mm)	17th Wettest	Wettest since: 1958	1942
Oct 1981–Sep 1983 24-Month	40.07" (1,017.78mm)	36.22" (919.99mm)	3.85" (97.79mm)	112th Driest	Driest since: 1982	2003
Oct 1981–Sep 1983 24-Month	40.07" (1,017.78mm)	36.22" (919.99mm)	3.85" (97.79mm)	15th Wettest	Wettest since: 1958	1942
Oct 1980–Sep 1983 36-Month	56.79" (1,442.47mm)	54.27" (1,378.46mm)	2.52" (64.01mm)	94th Driest	Driest since: 1982	1956
Oct 1980–Sep 1983 36-Month	56.79" (1,442.47mm)	54.27" (1,378.46mm)	2.52" (64.01mm)	32nd Wettest	Wettest since: 1959	1997
Oct 1979–Sep 1983 48-Month	76.19" (1,935.23mm)	72.31" (1,836.67mm)	3.88" (98.56mm)	98th Driest	Driest since: 1981	1956
Oct 1979–Sep 1983 48-Month	76.19" (1,935.23mm)	72.31" (1,836.67mm)	3.88" (98.56mm)	27th Wettest	Wettest since: 1982	1998
Oct 1978–Sep 1983 60-Month	96.76" (2,457.70mm)	90.33" (2,294.38mm)	6.43" (163.32mm)	106th Driest	Driest since: 1982	2022
Oct 1978–Sep 1983 60-Month	96.76" (2,457.70mm)	90.33" (2,294.38mm)	6.43" (163.32mm)	18th Wettest	Wettest since: 1945	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published June 2023, retrieved on June 10, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings