Regional Rankings

Regional Data Info
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 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
79th Wettest
Wettest since:
 1914
Jun–Jul 2004
2-Month 		2.71"
(68.83mm)		 2.81"
(71.37mm)		 -0.10"
(-2.54mm)		 59th Driest
Driest since:
 1980
70th Wettest
Wettest since:
 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:
 2002
106th Wettest
Wettest since:
 2015
Apr–Jul 2004
4-Month 		5.30"
(134.62mm)		 4.99"
(126.75mm)		 0.31"
(7.87mm)		 92nd Driest
Driest since:
 2002
37th Wettest
Wettest since:
 1914
Ties: 1929, 2017, 2021
Mar–Jul 2004
5-Month 		5.97"
(151.64mm)		 6.14"
(155.96mm)		 -0.17"
(-4.32mm)		 69th Driest
Driest since:
 2002
60th Wettest
Wettest since:
 1941
Ties: 1970
Feb–Jul 2004
6-Month 		7.25"
(184.15mm)		 7.14"
(181.36mm)		 0.11"
(2.79mm)		 78th Driest
Driest since:
 2002
51st Wettest
Wettest since:
 1941
Jan–Jul 2004
7-Month 		7.92"
(201.17mm)		 8.12"
(206.25mm)		 -0.20"
(-5.08mm)		 66th Driest
Driest since:
 2002
63rd Wettest
Wettest since:
 1905
Dec 2003–Jul 2004
8-Month 		8.70"
(220.98mm)		 9.13"
(231.90mm)		 -0.43"
(-10.92mm)		 61st Driest
Driest since:
 2002
67th Wettest
Wettest since:
 1941
Nov 2003–Jul 2004
9-Month 		9.85"
(250.19mm)		 10.02"
(254.51mm)		 -0.17"
(-4.32mm)		 73rd Driest
Driest since:
 2002
55th Wettest
Wettest since:
 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:
 2002
73rd Wettest
Wettest since:
 1941
Sep 2003–Jul 2004
11-Month 		11.48"
(291.59mm)		 12.52"
(318.01mm)		 -1.04"
(-26.42mm)		 47th Driest
Driest since:
 2002
81st Wettest
Wettest since:
 1941
Aug 2003–Jul 2004
12-Month 		13.13"
(333.50mm)		 14.53"
(369.06mm)		 -1.40"
(-35.56mm)		 43rd Driest
Driest since:
 2002
85th Wettest
Wettest since:
 1941
Feb 2003–Jul 2004
18-Month 		19.40"
(492.76mm)		 21.67"
(550.42mm)		 -2.27"
(-57.66mm)		 35th Driest
Driest since:
 2002
93rd Wettest
Wettest since:
 1942
Aug 2002–Jul 2004
24-Month 		25.99"
(660.15mm)		 29.06"
(738.12mm)		 -3.07"
(-77.97mm)		 29th Driest
Driest since:
 2003
98th Wettest
Wettest since:
 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
124th Wettest
Wettest since:
 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:
 1956
116th Wettest
Wettest since:
 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:
 1904
119th Wettest
Wettest since:
 1987

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