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.

Wyoming

Precipitation Rankings, August 2004

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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
August 2004 1-Month	1.12" (28.45mm)	1.07" (27.18mm)	0.05" (1.27mm)	81st Driest	Driest since: 2003	1944
	1.12" (28.45mm)	1.07" (27.18mm)	0.05" (1.27mm)	48th Wettest	Wettest since: 2002	1930
	Ties: 1920, 1990
Jul–Aug 2004 2-Month	2.78" (70.61mm)	2.35" (59.69mm)	0.43" (10.92mm)	98th Driest	Driest since: 2003	2020
Jul–Aug 2004 2-Month	2.78" (70.61mm)	2.35" (59.69mm)	0.43" (10.92mm)	31st Wettest	Wettest since: 1998	1930
Jun–Aug 2004 3-Month	4.44" (112.78mm)	4.19" (106.43mm)	0.25" (6.35mm)	82nd Driest	Driest since: 2003	1924
Jun–Aug 2004 3-Month	4.44" (112.78mm)	4.19" (106.43mm)	0.25" (6.35mm)	47th Wettest	Wettest since: 1998	1945
May–Aug 2004 4-Month	5.89" (149.61mm)	6.40" (162.56mm)	-0.51" (-12.95mm)	49th Driest	Driest since: 2003	1919
	5.89" (149.61mm)	6.40" (162.56mm)	-0.51" (-12.95mm)	80th Wettest	Wettest since: 1999	1908
	Ties: 1986
Apr–Aug 2004 5-Month	7.41" (188.21mm)	8.18" (207.77mm)	-0.77" (-19.56mm)	41st Driest	Driest since: 2003	1924
Apr–Aug 2004 5-Month	7.41" (188.21mm)	8.18" (207.77mm)	-0.77" (-19.56mm)	88th Wettest	Wettest since: 1999	1941
Mar–Aug 2004 6-Month	7.85" (199.39mm)	9.43" (239.52mm)	-1.58" (-40.13mm)	29th Driest	Driest since: 2002	1919
	7.85" (199.39mm)	9.43" (239.52mm)	-1.58" (-40.13mm)	100th Wettest	Wettest since: 2003	1941
	Ties: 1900
Feb–Aug 2004 7-Month	8.92" (226.57mm)	10.39" (263.91mm)	-1.47" (-37.34mm)	28th Driest	Driest since: 2002	1919
Feb–Aug 2004 7-Month	8.92" (226.57mm)	10.39" (263.91mm)	-1.47" (-37.34mm)	101st Wettest	Wettest since: 2003	1941
Jan–Aug 2004 8-Month	9.53" (242.06mm)	11.46" (291.08mm)	-1.93" (-49.02mm)	26th Driest	Driest since: 2002	1919
Jan–Aug 2004 8-Month	9.53" (242.06mm)	11.46" (291.08mm)	-1.93" (-49.02mm)	103rd Wettest	Wettest since: 2003	1899
Dec 2003–Aug 2004 9-Month	10.76" (273.30mm)	12.47" (316.74mm)	-1.71" (-43.44mm)	27th Driest	Driest since: 2002	1919
Dec 2003–Aug 2004 9-Month	10.76" (273.30mm)	12.47" (316.74mm)	-1.71" (-43.44mm)	101st Wettest	Wettest since: 2003	1993
Nov 2003–Aug 2004 10-Month	11.90" (302.26mm)	13.50" (342.90mm)	-1.60" (-40.64mm)	30th Driest	Driest since: 2002	1919
	11.90" (302.26mm)	13.50" (342.90mm)	-1.60" (-40.64mm)	98th Wettest	Wettest since: 2003	1945
	Ties: 2022
Oct 2003–Aug 2004 11-Month	12.59" (319.79mm)	14.70" (373.38mm)	-2.11" (-53.59mm)	27th Driest	Driest since: 2002	1919
Oct 2003–Aug 2004 11-Month	12.59" (319.79mm)	14.70" (373.38mm)	-2.11" (-53.59mm)	101st Wettest	Wettest since: 2003	1995
Sep 2003–Aug 2004 12-Month	13.87" (352.30mm)	15.93" (404.62mm)	-2.06" (-52.32mm)	29th Driest	Driest since: 2002	1934
Sep 2003–Aug 2004 12-Month	13.87" (352.30mm)	15.93" (404.62mm)	-2.06" (-52.32mm)	99th Wettest	Wettest since: 2003	1995
Mar 2003–Aug 2004 18-Month	22.74" (577.60mm)	25.36" (644.14mm)	-2.62" (-66.54mm)	27th Driest	Driest since: 2003	2013
Mar 2003–Aug 2004 18-Month	22.74" (577.60mm)	25.36" (644.14mm)	-2.62" (-66.54mm)	101st Wettest	Wettest since: 2000	1945
Sep 2002–Aug 2004 24-Month	28.60" (726.44mm)	31.86" (809.24mm)	-3.26" (-82.80mm)	25th Driest	Driest since: 2003	2002
Sep 2002–Aug 2004 24-Month	28.60" (726.44mm)	31.86" (809.24mm)	-3.26" (-82.80mm)	102nd Wettest	Wettest since: 2000	2015
Sep 2001–Aug 2004 36-Month	40.32" (1,024.13mm)	47.78" (1,213.61mm)	-7.46" (-189.48mm)	6th Driest	Driest since: 2003	2002
Sep 2001–Aug 2004 36-Month	40.32" (1,024.13mm)	47.78" (1,213.61mm)	-7.46" (-189.48mm)	120th Wettest	Wettest since: 2001	1997
Sep 2000–Aug 2004 48-Month	52.84" (1,342.14mm)	63.68" (1,617.47mm)	-10.84" (-275.33mm)	2nd Driest	Driest since: 2003	2003
Sep 2000–Aug 2004 48-Month	52.84" (1,342.14mm)	63.68" (1,617.47mm)	-10.84" (-275.33mm)	123rd Wettest	Wettest since: 2002	1998
Sep 1999–Aug 2004 60-Month	66.14" (1,679.96mm)	79.53" (2,020.06mm)	-13.39" (-340.10mm)	1st Driest	Driest since: 2004	2004
Sep 1999–Aug 2004 60-Month	66.14" (1,679.96mm)	79.53" (2,020.06mm)	-13.39" (-340.10mm)	123rd Wettest	Wettest since: 2003	1999

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Statewide Rankings, published November 2022, retrieved on December 3, 2022 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/statewide/rankings