Regional Rankings

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Month:

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Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Southwest Climate Region

Precipitation Rankings, May 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
May 2004 1-Month	0.35" (8.89mm)	1.11" (28.19mm)	-0.76" (-19.30mm)	3rd Driest	Driest since: 2002	1974
	0.35" (8.89mm)	1.11" (28.19mm)	-0.76" (-19.30mm)	126th Wettest	Wettest since: 2003	2015
	Ties: 1927
Apr–May 2004 2-Month	2.59" (65.79mm)	2.17" (55.12mm)	0.42" (10.67mm)	100th Driest	Driest since: 2003	2002
Apr–May 2004 2-Month	2.59" (65.79mm)	2.17" (55.12mm)	0.42" (10.67mm)	29th Wettest	Wettest since: 1999	1941
Mar–May 2004 3-Month	3.26" (82.80mm)	3.33" (84.58mm)	-0.07" (-1.78mm)	72nd Driest	Driest since: 2003	2002
	3.26" (82.80mm)	3.33" (84.58mm)	-0.07" (-1.78mm)	57th Wettest	Wettest since: 2001	1941
	Ties: 1929
Feb–May 2004 4-Month	4.54" (115.32mm)	4.33" (109.98mm)	0.21" (5.34mm)	84th Driest	Driest since: 2003	2002
	4.54" (115.32mm)	4.33" (109.98mm)	0.21" (5.34mm)	45th Wettest	Wettest since: 1999	1905
	Ties: 1907
Jan–May 2004 5-Month	5.21" (132.33mm)	5.31" (134.87mm)	-0.10" (-2.54mm)	68th Driest	Driest since: 2003	1972
Jan–May 2004 5-Month	5.21" (132.33mm)	5.31" (134.87mm)	-0.10" (-2.54mm)	61st Wettest	Wettest since: 2001	1905
Dec 2003–May 2004 6-Month	5.99" (152.15mm)	6.32" (160.53mm)	-0.33" (-8.38mm)	66th Driest	Driest since: 2003	2002
Dec 2003–May 2004 6-Month	5.99" (152.15mm)	6.32" (160.53mm)	-0.33" (-8.38mm)	62nd Wettest	Wettest since: 2001	1905
Nov 2003–May 2004 7-Month	7.14" (181.36mm)	7.21" (183.13mm)	-0.07" (-1.77mm)	73rd Driest	Driest since: 2003	2002
Nov 2003–May 2004 7-Month	7.14" (181.36mm)	7.21" (183.13mm)	-0.07" (-1.77mm)	55th Wettest	Wettest since: 1998	1941
Oct 2003–May 2004 8-Month	7.72" (196.09mm)	8.34" (211.84mm)	-0.62" (-15.75mm)	52nd Driest	Driest since: 2003	2002
Oct 2003–May 2004 8-Month	7.72" (196.09mm)	8.34" (211.84mm)	-0.62" (-15.75mm)	76th Wettest	Wettest since: 2001	1941
Sep 2003–May 2004 9-Month	8.77" (222.76mm)	9.71" (246.63mm)	-0.94" (-23.87mm)	43rd Driest	Driest since: 2002	2002
Sep 2003–May 2004 9-Month	8.77" (222.76mm)	9.71" (246.63mm)	-0.94" (-23.87mm)	85th Wettest	Wettest since: 2003	1941
Aug 2003–May 2004 10-Month	10.42" (264.67mm)	11.72" (297.69mm)	-1.30" (-33.02mm)	42nd Driest	Driest since: 2002	2002
Aug 2003–May 2004 10-Month	10.42" (264.67mm)	11.72" (297.69mm)	-1.30" (-33.02mm)	86th Wettest	Wettest since: 2003	1941
Jul 2003–May 2004 11-Month	11.31" (287.27mm)	13.59" (345.19mm)	-2.28" (-57.92mm)	22nd Driest	Driest since: 2002	2021
Jul 2003–May 2004 11-Month	11.31" (287.27mm)	13.59" (345.19mm)	-2.28" (-57.92mm)	106th Wettest	Wettest since: 2003	1941
Jun 2003–May 2004 12-Month	12.31" (312.67mm)	14.53" (369.06mm)	-2.22" (-56.39mm)	28th Driest	Driest since: 2002	2021
Jun 2003–May 2004 12-Month	12.31" (312.67mm)	14.53" (369.06mm)	-2.22" (-56.39mm)	100th Wettest	Wettest since: 2003	1905
Dec 2002–May 2004 18-Month	17.85" (453.39mm)	20.86" (529.84mm)	-3.01" (-76.45mm)	23rd Driest	Driest since: 2003	2021
Dec 2002–May 2004 18-Month	17.85" (453.39mm)	20.86" (529.84mm)	-3.01" (-76.45mm)	104th Wettest	Wettest since: 2001	1942
Jun 2002–May 2004 24-Month	25.12" (638.05mm)	29.05" (737.87mm)	-3.93" (-99.82mm)	19th Driest	Driest since: 2003	2021
Jun 2002–May 2004 24-Month	25.12" (638.05mm)	29.05" (737.87mm)	-3.93" (-99.82mm)	108th Wettest	Wettest since: 2001	1942
Jun 2001–May 2004 36-Month	34.16" (867.66mm)	43.54" (1,105.92mm)	-9.38" (-238.26mm)	3rd Driest	Driest since: 1904	2022
Jun 2001–May 2004 36-Month	34.16" (867.66mm)	43.54" (1,105.92mm)	-9.38" (-238.26mm)	123rd Wettest	Wettest since: 2003	1907
Jun 2000–May 2004 48-Month	49.01" (1,244.85mm)	58.01" (1,473.45mm)	-9.00" (-228.60mm)	6th Driest	Driest since: 1977	1904
Jun 2000–May 2004 48-Month	49.01" (1,244.85mm)	58.01" (1,473.45mm)	-9.00" (-228.60mm)	119th Wettest	Wettest since: 2003	1986
Jun 1999–May 2004 60-Month	62.55" (1,588.77mm)	72.48" (1,840.99mm)	-9.93" (-252.22mm)	7th Driest	Driest since: 1957	1957
Jun 1999–May 2004 60-Month	62.55" (1,588.77mm)	72.48" (1,840.99mm)	-9.93" (-252.22mm)	117th Wettest	Wettest since: 2003	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published May 2023, retrieved on May 30, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings