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 1929

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 1929
1-Month
2.67"
(67.82mm)
1.87"
(47.50mm)
0.80"
(20.32mm)
119th Driest
Driest since:
2003
10th Wettest
Wettest since:
1914
Ties: 1990
Jun–Jul 1929
2-Month
3.05"
(77.47mm)
2.81"
(71.37mm)
0.24"
(6.10mm)
87th Driest
Driest since:
1980
42nd Wettest
Wettest since:
1921
May–Jul 1929
3-Month
4.32"
(109.73mm)
3.93"
(99.82mm)
0.39"
(9.91mm)
100th Driest
Driest since:
2002
29th Wettest
Wettest since:
2015
Ties: 1973
Apr–Jul 1929
4-Month
5.30"
(134.62mm)
4.99"
(126.75mm)
0.31"
(7.87mm)
91st Driest
Driest since:
2002
38th Wettest
Wettest since:
1914
Ties: 2004, 2017
Mar–Jul 1929
5-Month
6.31"
(160.27mm)
6.14"
(155.96mm)
0.17"
(4.31mm)
82nd Driest
Driest since:
2002
47th Wettest
Wettest since:
1941
Feb–Jul 1929
6-Month
7.22"
(183.39mm)
7.14"
(181.36mm)
0.08"
(2.03mm)
76th Driest
Driest since:
2002
53rd Wettest
Wettest since:
1941
Jan–Jul 1929
7-Month
7.98"
(202.69mm)
8.12"
(206.25mm)
-0.14"
(-3.56mm)
69th Driest
Driest since:
2002
60th Wettest
Wettest since:
1905
Ties: 2001
Dec 1928–Jul 1929
8-Month
8.57"
(217.68mm)
9.13"
(231.90mm)
-0.56"
(-14.22mm)
56th Driest
Driest since:
2002
72nd Wettest
Wettest since:
1941
Nov 1928–Jul 1929
9-Month
9.79"
(248.67mm)
10.02"
(254.51mm)
-0.23"
(-5.84mm)
68th Driest
Driest since:
2002
60th Wettest
Wettest since:
1941
Oct 1928–Jul 1929
10-Month
11.59"
(294.39mm)
11.15"
(283.21mm)
0.44"
(11.18mm)
77th Driest
Driest since:
2002
51st Wettest
Wettest since:
1941
Sep 1928–Jul 1929
11-Month
12.01"
(305.05mm)
12.52"
(318.01mm)
-0.51"
(-12.96mm)
60th Driest
Driest since:
2002
68th Wettest
Wettest since:
1941
Ties: 1947
Aug 1928–Jul 1929
12-Month
13.90"
(353.06mm)
14.53"
(369.06mm)
-0.63"
(-16.00mm)
54th Driest
Driest since:
2002
74th Wettest
Wettest since:
1941
Feb 1928–Jul 1929
18-Month
21.04"
(534.42mm)
21.67"
(550.42mm)
-0.63"
(-16.00mm)
64th Driest
Driest since:
2002
64th Wettest
Wettest since:
1942
Aug 1927–Jul 1929
24-Month
28.66"
(727.96mm)
29.06"
(738.12mm)
-0.40"
(-10.16mm)
67th Driest
Driest since:
2003
60th Wettest
Wettest since:
1942
Aug 1926–Jul 1929
36-Month
43.76"
(1,111.50mm)
43.55"
(1,106.17mm)
0.21"
(5.33mm)
71st Driest
Driest since:
1956
55th Wettest
Wettest since:
1907
Aug 1925–Jul 1929
48-Month
60.29"
(1,531.37mm)
58.02"
(1,473.71mm)
2.27"
(57.66mm)
90th Driest
Driest since:
1956
35th Wettest
Wettest since:
1986
Ties: 1912
Aug 1924–Jul 1929
60-Month
71.55"
(1,817.37mm)
72.50"
(1,841.50mm)
-0.95"
(-24.13mm)
61st Driest
Driest since:
1904
63rd Wettest
Wettest since:
1987

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