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 1895

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
September 1895
1-Month
0.70"
(17.78mm)
1.36"
(34.54mm)
-0.66"
(-16.76mm)
18th Driest
Driest to Date
1953, 1956
111th Wettest
Wettest to Date
2013
Ties: 1945, 1947, 1993
Aug–Sep 1895
2-Month
2.70"
(68.58mm)
3.38"
(85.85mm)
-0.68"
(-17.27mm)
25th Driest
Driest to Date
2020
104th Wettest
Wettest to Date
2013
Ties: 2003
Jul–Sep 1895
3-Month
5.05"
(128.27mm)
5.25"
(133.35mm)
-0.20"
(-5.08mm)
56th Driest
Driest to Date
2020
73rd Wettest
Wettest to Date
2013
Ties: 1918, 1959
Jun–Sep 1895
4-Month
5.95"
(151.13mm)
6.19"
(157.23mm)
-0.24"
(-6.10mm)
60th Driest
Driest to Date
2020
69th Wettest
Wettest to Date
1927
May–Sep 1895
5-Month
7.70"
(195.58mm)
7.30"
(185.42mm)
0.40"
(10.16mm)
83rd Driest
Driest to Date
2020
46th Wettest
Wettest to Date
1941
Apr–Sep 1895
6-Month
8.09"
(205.49mm)
8.36"
(212.34mm)
-0.27"
(-6.85mm)
60th Driest
Driest to Date
2020
69th Wettest
Wettest to Date
1941
Mar–Sep 1895
7-Month
8.78"
(223.01mm)
9.51"
(241.55mm)
-0.73"
(-18.54mm)
42nd Driest
Driest to Date
1956
87th Wettest
Wettest to Date
1941
Feb–Sep 1895
8-Month
9.91"
(251.71mm)
10.52"
(267.21mm)
-0.61"
(-15.50mm)
52nd Driest
Driest to Date
1956
77th Wettest
Wettest to Date
1941
Jan–Sep 1895
9-Month
11.75"
(298.45mm)
11.50"
(292.10mm)
0.25"
(6.35mm)
75th Driest
Driest to Date
1956
54th Wettest
Wettest to Date
1941

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