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 1959

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
September 1959
1-Month
0.91"
(23.11mm)
1.36"
(34.54mm)
-0.45"
(-11.43mm)
30th Driest
Driest since:
1953, 1956
99th Wettest
Wettest since:
2013
Ties: 1989
Aug–Sep 1959
2-Month
3.62"
(91.95mm)
3.38"
(85.85mm)
0.24"
(6.10mm)
90th Driest
Driest since:
2020
39th Wettest
Wettest since:
2013
Jul–Sep 1959
3-Month
5.05"
(128.27mm)
5.25"
(133.35mm)
-0.20"
(-5.08mm)
56th Driest
Driest since:
2020
73rd Wettest
Wettest since:
2013
Ties: 1895, 1918
Jun–Sep 1959
4-Month
5.97"
(151.64mm)
6.19"
(157.23mm)
-0.22"
(-5.59mm)
61st Driest
Driest since:
2020
68th Wettest
Wettest since:
1927
May–Sep 1959
5-Month
7.06"
(179.32mm)
7.30"
(185.42mm)
-0.24"
(-6.10mm)
58th Driest
Driest since:
2020
71st Wettest
Wettest since:
1941
Apr–Sep 1959
6-Month
7.90"
(200.66mm)
8.36"
(212.34mm)
-0.46"
(-11.68mm)
54th Driest
Driest since:
2020
75th Wettest
Wettest since:
1941
Mar–Sep 1959
7-Month
8.44"
(214.38mm)
9.51"
(241.55mm)
-1.07"
(-27.17mm)
32nd Driest
Driest since:
1956
97th Wettest
Wettest since:
1941
Ties: 1971
Feb–Sep 1959
8-Month
9.58"
(243.33mm)
10.52"
(267.21mm)
-0.94"
(-23.88mm)
41st Driest
Driest since:
1956
88th Wettest
Wettest since:
1941
Ties: 1900
Jan–Sep 1959
9-Month
10.05"
(255.27mm)
11.50"
(292.10mm)
-1.45"
(-36.83mm)
31st Driest
Driest since:
1956
98th Wettest
Wettest since:
1941
Dec 1958–Sep 1959
10-Month
10.38"
(263.65mm)
12.51"
(317.75mm)
-2.13"
(-54.10mm)
18th Driest
Driest since:
1956
110th Wettest
Wettest since:
1941
Ties: 1901
Nov 1958–Sep 1959
11-Month
11.13"
(282.70mm)
13.40"
(340.36mm)
-2.27"
(-57.66mm)
19th Driest
Driest since:
1956
109th Wettest
Wettest since:
1941
Ties: 1910
Oct 1958–Sep 1959
12-Month
12.04"
(305.82mm)
14.53"
(369.06mm)
-2.49"
(-63.24mm)
19th Driest
Driest since:
1956
109th Wettest
Wettest since:
1941
Apr 1958–Sep 1959
18-Month
20.50"
(520.70mm)
22.92"
(582.17mm)
-2.42"
(-61.47mm)
33rd Driest
Driest since:
2021
95th Wettest
Wettest since:
1941
Oct 1957–Sep 1959
24-Month
29.00"
(736.60mm)
29.08"
(738.63mm)
-0.08"
(-2.03mm)
71st Driest
Driest since:
1956
56th Wettest
Wettest since:
1942
Oct 1956–Sep 1959
36-Month
44.44"
(1,128.78mm)
43.57"
(1,106.68mm)
0.87"
(22.10mm)
83rd Driest
Driest since:
1956
43rd Wettest
Wettest since:
1907
Oct 1955–Sep 1959
48-Month
53.33"
(1,354.58mm)
58.05"
(1,474.47mm)
-4.72"
(-119.89mm)
24th Driest
Driest since:
1956
101st Wettest
Wettest since:
1986
Oct 1954–Sep 1959
60-Month
65.75"
(1,670.05mm)
72.53"
(1,842.26mm)
-6.78"
(-172.21mm)
14th Driest
Driest since:
1957
110th Wettest
Wettest since:
1986

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