Regional Rankings

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Month:

Region:

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 2003

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Record Driest
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Record Wettest
Period	Value	1901-2000 Mean	Anomaly	Rank (1895-2023)	Wettest/Driest Since	Record
May 2003 1-Month	0.78" (19.81mm)	1.11" (28.19mm)	-0.33" (-8.38mm)	35th Driest	Driest since: 2002	1974
	0.78" (19.81mm)	1.11" (28.19mm)	-0.33" (-8.38mm)	95th Wettest	Wettest since: 2001	2015
	Ties: 1912, 2018
Apr–May 2003 2-Month	1.48" (37.59mm)	2.17" (55.12mm)	-0.69" (-17.53mm)	30th Driest	Driest since: 2002	2002
Apr–May 2003 2-Month	1.48" (37.59mm)	2.17" (55.12mm)	-0.69" (-17.53mm)	100th Wettest	Wettest since: 2001	1941
Mar–May 2003 3-Month	2.76" (70.10mm)	3.33" (84.58mm)	-0.57" (-14.48mm)	36th Driest	Driest since: 2002	2002
	2.76" (70.10mm)	3.33" (84.58mm)	-0.57" (-14.48mm)	94th Wettest	Wettest since: 2001	1941
	Ties: 1933
Feb–May 2003 4-Month	4.38" (111.25mm)	4.33" (109.98mm)	0.05" (1.27mm)	73rd Driest	Driest since: 2002	2002
Feb–May 2003 4-Month	4.38" (111.25mm)	4.33" (109.98mm)	0.05" (1.27mm)	57th Wettest	Wettest since: 2001	1905
Jan–May 2003 5-Month	4.67" (118.62mm)	5.31" (134.87mm)	-0.64" (-16.25mm)	48th Driest	Driest since: 2002	1972
Jan–May 2003 5-Month	4.67" (118.62mm)	5.31" (134.87mm)	-0.64" (-16.25mm)	82nd Wettest	Wettest since: 2001	1905
Dec 2002–May 2003 6-Month	5.54" (140.72mm)	6.32" (160.53mm)	-0.78" (-19.81mm)	44th Driest	Driest since: 2002	2002
Dec 2002–May 2003 6-Month	5.54" (140.72mm)	6.32" (160.53mm)	-0.78" (-19.81mm)	85th Wettest	Wettest since: 2001	1905
Nov 2002–May 2003 7-Month	6.30" (160.02mm)	7.21" (183.13mm)	-0.91" (-23.11mm)	45th Driest	Driest since: 2002	2002
Nov 2002–May 2003 7-Month	6.30" (160.02mm)	7.21" (183.13mm)	-0.91" (-23.11mm)	84th Wettest	Wettest since: 2001	1941
Oct 2002–May 2003 8-Month	7.59" (192.79mm)	8.34" (211.84mm)	-0.75" (-19.05mm)	49th Driest	Driest since: 2002	2002
	7.59" (192.79mm)	8.34" (211.84mm)	-0.75" (-19.05mm)	80th Wettest	Wettest since: 2001	1941
	Ties: 2008
Sep 2002–May 2003 9-Month	9.81" (249.17mm)	9.71" (246.63mm)	0.10" (2.54mm)	72nd Driest	Driest since: 2002	2002
Sep 2002–May 2003 9-Month	9.81" (249.17mm)	9.71" (246.63mm)	0.10" (2.54mm)	57th Wettest	Wettest since: 2001	1941
Aug 2002–May 2003 10-Month	10.97" (278.64mm)	11.72" (297.69mm)	-0.75" (-19.05mm)	54th Driest	Driest since: 2002	2002
Aug 2002–May 2003 10-Month	10.97" (278.64mm)	11.72" (297.69mm)	-0.75" (-19.05mm)	75th Wettest	Wettest since: 2001	1941
Jul 2002–May 2003 11-Month	12.35" (313.69mm)	13.59" (345.19mm)	-1.24" (-31.50mm)	48th Driest	Driest since: 2002	2021
Jul 2002–May 2003 11-Month	12.35" (313.69mm)	13.59" (345.19mm)	-1.24" (-31.50mm)	81st Wettest	Wettest since: 2001	1941
Jun 2002–May 2003 12-Month	12.81" (325.37mm)	14.53" (369.06mm)	-1.72" (-43.69mm)	41st Driest	Driest since: 2002	2021
Jun 2002–May 2003 12-Month	12.81" (325.37mm)	14.53" (369.06mm)	-1.72" (-43.69mm)	88th Wettest	Wettest since: 2001	1905
Dec 2001–May 2003 18-Month	15.51" (393.95mm)	20.86" (529.84mm)	-5.35" (-135.89mm)	4th Driest	Driest since: 2002	2021
Dec 2001–May 2003 18-Month	15.51" (393.95mm)	20.86" (529.84mm)	-5.35" (-135.89mm)	124th Wettest	Wettest since: 2001	1942
Jun 2001–May 2003 24-Month	21.85" (554.99mm)	29.05" (737.87mm)	-7.20" (-182.88mm)	3rd Driest	Driest to Date	2021
Jun 2001–May 2003 24-Month	21.85" (554.99mm)	29.05" (737.87mm)	-7.20" (-182.88mm)	125th Wettest	Wettest since: 2002	1942
Jun 2000–May 2003 36-Month	36.70" (932.18mm)	43.54" (1,105.92mm)	-6.84" (-173.74mm)	11th Driest	Driest since: 1957	2022
Jun 2000–May 2003 36-Month	36.70" (932.18mm)	43.54" (1,105.92mm)	-6.84" (-173.74mm)	116th Wettest	Wettest since: 2002	1907
Jun 1999–May 2003 48-Month	50.24" (1,276.10mm)	58.01" (1,473.45mm)	-7.77" (-197.35mm)	11th Driest	Driest since: 1977	1904
Jun 1999–May 2003 48-Month	50.24" (1,276.10mm)	58.01" (1,473.45mm)	-7.77" (-197.35mm)	115th Wettest	Wettest since: 2002	1986
Jun 1998–May 2003 60-Month	65.93" (1,674.62mm)	72.48" (1,840.99mm)	-6.55" (-166.37mm)	20th Driest	Driest since: 1978	1957
Jun 1998–May 2003 60-Month	65.93" (1,674.62mm)	72.48" (1,840.99mm)	-6.55" (-166.37mm)	105th Wettest	Wettest since: 2002	1987

Citing This Page

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