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, September 1895

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(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 since:
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 since:
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 since:
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 since:
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 since:
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 since:
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 since:
1956
87th Wettest
Wettest to Date
1941
Feb–Sep 1895
8-Month
9.91"
(251.71mm)
10.51"
(266.95mm)
-0.60"
(-15.24mm)
52nd Driest
Driest since:
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 since:
1956
54th Wettest
Wettest to Date
1941

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