Regional Rankings

Regional Data Info
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, September 1993

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Period Value 1901-2000
Mean		 Anomaly Rank
(1895-2022)		 Wettest/Driest
Since		 Record
September 1993
1-Month 		0.70"
(17.78mm)		 1.36"
(34.54mm)		 -0.66"
(-16.76mm)		 18th Driest
Driest since:
 1953, 1956
111th Wettest
Wettest since:
 2013
Ties: 1895, 1945, 1947
Aug–Sep 1993
2-Month 		3.60"
(91.44mm)		 3.38"
(85.85mm)		 0.22"
(5.59mm)		 87th Driest
Driest since:
 2020
42nd Wettest
Wettest since:
 2013
Jul–Sep 1993
3-Month 		4.63"
(117.60mm)		 5.25"
(133.35mm)		 -0.62"
(-15.75mm)		 36th Driest
Driest since:
 2020
93rd Wettest
Wettest since:
 2013
Jun–Sep 1993
4-Month 		5.46"
(138.68mm)		 6.19"
(157.23mm)		 -0.73"
(-18.55mm)		 37th Driest
Driest since:
 2020
92nd Wettest
Wettest since:
 1927
May–Sep 1993
5-Month 		6.65"
(168.91mm)		 7.30"
(185.42mm)		 -0.65"
(-16.51mm)		 42nd Driest
Driest since:
 2020
87th Wettest
Wettest since:
 1941
Ties: 2010
Apr–Sep 1993
6-Month 		7.35"
(186.69mm)		 8.36"
(212.34mm)		 -1.01"
(-25.65mm)		 28th Driest
Driest since:
 2020
101st Wettest
Wettest since:
 1941
Mar–Sep 1993
7-Month 		8.59"
(218.19mm)		 9.51"
(241.55mm)		 -0.92"
(-23.36mm)		 36th Driest
Driest since:
 1956
93rd Wettest
Wettest since:
 1941
Feb–Sep 1993
8-Month 		10.68"
(271.27mm)		 10.52"
(267.21mm)		 0.16"
(4.06mm)		 73rd Driest
Driest since:
 1956
56th Wettest
Wettest since:
 1941
Ties: 1961
Jan–Sep 1993
9-Month 		13.55"
(344.17mm)		 11.50"
(292.10mm)		 2.05"
(52.07mm)		 117th Driest
Driest since:
 1956
12th Wettest
Wettest since:
 1941
Dec 1992–Sep 1993
10-Month 		15.40"
(391.16mm)		 12.51"
(317.75mm)		 2.89"
(73.41mm)		 123rd Driest
Driest since:
 1956
5th Wettest
Wettest since:
 1941
Nov 1992–Sep 1993
11-Month 		16.17"
(410.72mm)		 13.40"
(340.36mm)		 2.77"
(70.36mm)		 117th Driest
Driest since:
 1956
11th Wettest
Wettest since:
 1941
Ties: 1927
Oct 1992–Sep 1993
12-Month 		17.12"
(434.85mm)		 14.53"
(369.06mm)		 2.59"
(65.79mm)		 110th Driest
Driest since:
 1956
18th Wettest
Wettest since:
 1941
Apr 1992–Sep 1993
18-Month 		26.04"
(661.42mm)		 22.92"
(582.17mm)		 3.12"
(79.25mm)		 111th Driest
Driest since:
 2021
17th Wettest
Wettest since:
 1941
Oct 1991–Sep 1993
24-Month 		34.07"
(865.38mm)		 29.08"
(738.63mm)		 4.99"
(126.75mm)		 118th Driest
Driest since:
 1956
9th Wettest
Wettest since:
 1942
Oct 1990–Sep 1993
36-Month 		49.29"
(1,251.97mm)		 43.57"
(1,106.68mm)		 5.72"
(145.29mm)		 113th Driest
Driest since:
 1956
13th Wettest
Wettest since:
 1907
Oct 1989–Sep 1993
48-Month 		63.34"
(1,608.84mm)		 58.05"
(1,474.47mm)		 5.29"
(134.37mm)		 106th Driest
Driest since:
 1956
19th Wettest
Wettest since:
 1986
Oct 1988–Sep 1993
60-Month 		74.68"
(1,896.87mm)		 72.53"
(1,842.26mm)		 2.15"
(54.61mm)		 86th Driest
Driest since:
 1957
38th Wettest
Wettest since:
 1986

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