Regional Rankings

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Please note, Palmer Indices are not available for NWS Regions. 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, July 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
July 2004 1-Month	1.72" (43.69mm)	1.87" (47.50mm)	-0.15" (-3.81mm)	50th Driest	Driest since: 2003	2003
July 2004 1-Month	1.72" (43.69mm)	1.87" (47.50mm)	-0.15" (-3.81mm)	79th Wettest	Wettest since: 1999	1914
Jun–Jul 2004 2-Month	2.71" (68.83mm)	2.81" (71.37mm)	-0.10" (-2.54mm)	59th Driest	Driest since: 2003	1980
	2.71" (68.83mm)	2.81" (71.37mm)	-0.10" (-2.54mm)	70th Wettest	Wettest since: 1999	1921
	Ties: 1982, 1983
May–Jul 2004 3-Month	3.06" (77.72mm)	3.93" (99.82mm)	-0.87" (-22.10mm)	23rd Driest	Driest since: 2003	2002
May–Jul 2004 3-Month	3.06" (77.72mm)	3.93" (99.82mm)	-0.87" (-22.10mm)	106th Wettest	Wettest since: 2001	2015
Apr–Jul 2004 4-Month	5.30" (134.62mm)	4.99" (126.75mm)	0.31" (7.87mm)	91st Driest	Driest since: 2003	2002
	5.30" (134.62mm)	4.99" (126.75mm)	0.31" (7.87mm)	38th Wettest	Wettest since: 1999	1914
	Ties: 1929, 2017
Mar–Jul 2004 5-Month	5.97" (151.64mm)	6.14" (155.96mm)	-0.17" (-4.32mm)	69th Driest	Driest since: 2003	2002
	5.97" (151.64mm)	6.14" (155.96mm)	-0.17" (-4.32mm)	60th Wettest	Wettest since: 1999	1941
	Ties: 1970
Feb–Jul 2004 6-Month	7.25" (184.15mm)	7.14" (181.36mm)	0.11" (2.79mm)	78th Driest	Driest since: 2003	2002
Feb–Jul 2004 6-Month	7.25" (184.15mm)	7.14" (181.36mm)	0.11" (2.79mm)	51st Wettest	Wettest since: 1999	1941
Jan–Jul 2004 7-Month	7.92" (201.17mm)	8.12" (206.25mm)	-0.20" (-5.08mm)	66th Driest	Driest since: 2003	2002
Jan–Jul 2004 7-Month	7.92" (201.17mm)	8.12" (206.25mm)	-0.20" (-5.08mm)	63rd Wettest	Wettest since: 2001	1905
Dec 2003–Jul 2004 8-Month	8.70" (220.98mm)	9.13" (231.90mm)	-0.43" (-10.92mm)	61st Driest	Driest since: 2003	2002
Dec 2003–Jul 2004 8-Month	8.70" (220.98mm)	9.13" (231.90mm)	-0.43" (-10.92mm)	67th Wettest	Wettest since: 1999	1941
Nov 2003–Jul 2004 9-Month	9.85" (250.19mm)	10.02" (254.51mm)	-0.17" (-4.32mm)	73rd Driest	Driest since: 2003	2002
	9.85" (250.19mm)	10.02" (254.51mm)	-0.17" (-4.32mm)	55th Wettest	Wettest since: 1999	1941
	Ties: 1948, 2008
Oct 2003–Jul 2004 10-Month	10.43" (264.92mm)	11.15" (283.21mm)	-0.72" (-18.29mm)	55th Driest	Driest since: 2003	2002
Oct 2003–Jul 2004 10-Month	10.43" (264.92mm)	11.15" (283.21mm)	-0.72" (-18.29mm)	73rd Wettest	Wettest since: 2001	1941
Sep 2003–Jul 2004 11-Month	11.48" (291.59mm)	12.52" (318.01mm)	-1.04" (-26.42mm)	47th Driest	Driest since: 2002	2002
Sep 2003–Jul 2004 11-Month	11.48" (291.59mm)	12.52" (318.01mm)	-1.04" (-26.42mm)	81st Wettest	Wettest since: 2003	1941
Aug 2003–Jul 2004 12-Month	13.13" (333.50mm)	14.53" (369.06mm)	-1.40" (-35.56mm)	43rd Driest	Driest since: 2003	2002
Aug 2003–Jul 2004 12-Month	13.13" (333.50mm)	14.53" (369.06mm)	-1.40" (-35.56mm)	85th Wettest	Wettest since: 2001	1941
Feb 2003–Jul 2004 18-Month	19.40" (492.76mm)	21.67" (550.42mm)	-2.27" (-57.66mm)	35th Driest	Driest since: 2003	2002
Feb 2003–Jul 2004 18-Month	19.40" (492.76mm)	21.67" (550.42mm)	-2.27" (-57.66mm)	93rd Wettest	Wettest since: 2001	1942
Aug 2002–Jul 2004 24-Month	25.99" (660.15mm)	29.06" (738.12mm)	-3.07" (-77.97mm)	29th Driest	Driest since: 2003	2003
Aug 2002–Jul 2004 24-Month	25.99" (660.15mm)	29.06" (738.12mm)	-3.07" (-77.97mm)	98th Wettest	Wettest since: 2001	1942
Aug 2001–Jul 2004 36-Month	34.57" (878.08mm)	43.55" (1,106.17mm)	-8.98" (-228.09mm)	2nd Driest	Driest since: 1956	1956
Aug 2001–Jul 2004 36-Month	34.57" (878.08mm)	43.55" (1,106.17mm)	-8.98" (-228.09mm)	124th Wettest	Wettest since: 2003	1907
Aug 2000–Jul 2004 48-Month	49.43" (1,255.52mm)	58.02" (1,473.71mm)	-8.59" (-218.19mm)	9th Driest	Driest since: 2003	1956
Aug 2000–Jul 2004 48-Month	49.43" (1,255.52mm)	58.02" (1,473.71mm)	-8.59" (-218.19mm)	116th Wettest	Wettest since: 2002	1986
Aug 1999–Jul 2004 60-Month	61.32" (1,557.53mm)	72.50" (1,841.50mm)	-11.18" (-283.97mm)	5th Driest	Driest since: 1957	1904
Aug 1999–Jul 2004 60-Month	61.32" (1,557.53mm)	72.50" (1,841.50mm)	-11.18" (-283.97mm)	119th Wettest	Wettest since: 2003	1987

Citing This Page

NOAA National Centers for Environmental information, Climate at a Glance: Regional Rankings, published January 2023, retrieved on January 29, 2023 from https://www.ncei.noaa.gov/access/monitoring/climate-at-a-glance/regional/rankings