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 1980

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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2022)	Wettest/Driest Since	Record
May 1980 1-Month	2.89" (73.41mm)	2.02" (51.31mm)	0.87" (22.10mm)	114th Driest	Driest since: 1977	1974
May 1980 1-Month	2.89" (73.41mm)	2.02" (51.31mm)	0.87" (22.10mm)	15th Wettest	Wettest since: 1979	2015
Apr–May 1980 2-Month	5.25" (133.35mm)	3.86" (98.04mm)	1.39" (35.31mm)	114th Driest	Driest since: 1979	2002
Apr–May 1980 2-Month	5.25" (133.35mm)	3.86" (98.04mm)	1.39" (35.31mm)	15th Wettest	Wettest since: 1957	1957
Mar–May 1980 3-Month	7.26" (184.40mm)	5.37" (136.40mm)	1.89" (48.00mm)	115th Driest	Driest since: 1979	2002
Mar–May 1980 3-Month	7.26" (184.40mm)	5.37" (136.40mm)	1.89" (48.00mm)	14th Wettest	Wettest since: 1957	1957
Feb–May 1980 4-Month	9.00" (228.60mm)	6.46" (164.08mm)	2.54" (64.52mm)	121st Driest	Driest since: 1979	2002
Feb–May 1980 4-Month	9.00" (228.60mm)	6.46" (164.08mm)	2.54" (64.52mm)	8th Wettest	Wettest since: 1957	1905
Jan–May 1980 5-Month	11.32" (287.53mm)	7.52" (191.01mm)	3.80" (96.52mm)	125th Driest	Driest since: 1979	2002
Jan–May 1980 5-Month	11.32" (287.53mm)	7.52" (191.01mm)	3.80" (96.52mm)	4th Wettest	Wettest since: 1957	1957
Dec 1979–May 1980 6-Month	12.27" (311.66mm)	8.60" (218.44mm)	3.67" (93.22mm)	125th Driest	Driest since: 1979	2002
Dec 1979–May 1980 6-Month	12.27" (311.66mm)	8.60" (218.44mm)	3.67" (93.22mm)	3rd Wettest	Wettest since: 1957	1957
Nov 1979–May 1980 7-Month	13.72" (348.49mm)	9.66" (245.36mm)	4.06" (103.13mm)	125th Driest	Driest since: 1979	2002
Nov 1979–May 1980 7-Month	13.72" (348.49mm)	9.66" (245.36mm)	4.06" (103.13mm)	3rd Wettest	Wettest since: 1957	1957
Oct 1979–May 1980 8-Month	14.88" (377.95mm)	11.00" (279.40mm)	3.88" (98.55mm)	125th Driest	Driest since: 1979	2002
Oct 1979–May 1980 8-Month	14.88" (377.95mm)	11.00" (279.40mm)	3.88" (98.55mm)	3rd Wettest	Wettest since: 1957	1995
Sep 1979–May 1980 9-Month	15.41" (391.41mm)	12.43" (315.72mm)	2.98" (75.69mm)	119th Driest	Driest since: 1979	2002
Sep 1979–May 1980 9-Month	15.41" (391.41mm)	12.43" (315.72mm)	2.98" (75.69mm)	9th Wettest	Wettest since: 1973	1942
Aug 1979–May 1980 10-Month	17.75" (450.85mm)	14.44" (366.78mm)	3.31" (84.07mm)	121st Driest	Driest since: 1979	2002
Aug 1979–May 1980 10-Month	17.75" (450.85mm)	14.44" (366.78mm)	3.31" (84.07mm)	7th Wettest	Wettest since: 1973	1942
Jul 1979–May 1980 11-Month	19.45" (494.03mm)	16.54" (420.12mm)	2.91" (73.91mm)	113th Driest	Driest since: 1979	2002
Jul 1979–May 1980 11-Month	19.45" (494.03mm)	16.54" (420.12mm)	2.91" (73.91mm)	15th Wettest	Wettest since: 1942	1942
Jun 1979–May 1980 12-Month	21.25" (539.75mm)	18.08" (459.23mm)	3.17" (80.52mm)	115th Driest	Driest since: 1979	2002
Jun 1979–May 1980 12-Month	21.25" (539.75mm)	18.08" (459.23mm)	3.17" (80.52mm)	13th Wettest	Wettest since: 1973	1942
Dec 1978–May 1980 18-Month	32.79" (832.87mm)	26.70" (678.18mm)	6.09" (154.69mm)	123rd Driest	Driest since: 1979	2013
Dec 1978–May 1980 18-Month	32.79" (832.87mm)	26.70" (678.18mm)	6.09" (154.69mm)	4th Wettest	Wettest since: 1958	1942
Jun 1978–May 1980 24-Month	39.88" (1,012.95mm)	36.18" (918.97mm)	3.70" (93.98mm)	108th Driest	Driest since: 1979	1902
Jun 1978–May 1980 24-Month	39.88" (1,012.95mm)	36.18" (918.97mm)	3.70" (93.98mm)	19th Wettest	Wettest since: 1958	1942
Jun 1977–May 1980 36-Month	58.42" (1,483.87mm)	54.21" (1,376.93mm)	4.21" (106.94mm)	103rd Driest	Driest since: 1979	2022
Jun 1977–May 1980 36-Month	58.42" (1,483.87mm)	54.21" (1,376.93mm)	4.21" (106.94mm)	23rd Wettest	Wettest since: 1949	1943
Jun 1976–May 1980 48-Month	72.26" (1,835.40mm)	72.23" (1,834.64mm)	0.03" (0.76mm)	64th Driest	Driest since: 1979	1956
Jun 1976–May 1980 48-Month	72.26" (1,835.40mm)	72.23" (1,834.64mm)	0.03" (0.76mm)	61st Wettest	Wettest since: 1973	1944
Jun 1975–May 1980 60-Month	87.28" (2,216.91mm)	90.24" (2,292.10mm)	-2.96" (-75.19mm)	39th Driest	Driest since: 1979	2022
Jun 1975–May 1980 60-Month	87.28" (2,216.91mm)	90.24" (2,292.10mm)	-2.96" (-75.19mm)	85th Wettest	Wettest since: 1975	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published January 2023, retrieved on January 27, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings