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 1958

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 1958
1-Month
1.45"
(36.83mm)
1.87"
(47.50mm)
-0.42"
(-10.67mm)
31st Driest
Driest since:
2003
98th Wettest
Wettest since:
1914
Ties: 1901, 1944
Jun–Jul 1958
2-Month
2.20"
(55.88mm)
2.81"
(71.37mm)
-0.61"
(-15.49mm)
25th Driest
Driest since:
1980
104th Wettest
Wettest since:
1921
May–Jul 1958
3-Month
3.24"
(82.30mm)
3.93"
(99.82mm)
-0.69"
(-17.52mm)
29th Driest
Driest since:
2002
100th Wettest
Wettest since:
2015
Apr–Jul 1958
4-Month
4.46"
(113.28mm)
4.99"
(126.75mm)
-0.53"
(-13.47mm)
45th Driest
Driest since:
2002
84th Wettest
Wettest since:
1914
Ties: 1896
Mar–Jul 1958
5-Month
6.59"
(167.39mm)
6.14"
(155.96mm)
0.45"
(11.43mm)
95th Driest
Driest since:
2002
34th Wettest
Wettest since:
1941
Ties: 1969
Feb–Jul 1958
6-Month
7.90"
(200.66mm)
7.14"
(181.36mm)
0.76"
(19.30mm)
100th Driest
Driest since:
2002
29th Wettest
Wettest since:
1941
Jan–Jul 1958
7-Month
8.53"
(216.66mm)
8.12"
(206.25mm)
0.41"
(10.41mm)
80th Driest
Driest since:
2002
49th Wettest
Wettest since:
1905
Dec 1957–Jul 1958
8-Month
9.05"
(229.87mm)
9.13"
(231.90mm)
-0.08"
(-2.03mm)
70th Driest
Driest since:
2002
58th Wettest
Wettest since:
1941
Nov 1957–Jul 1958
9-Month
10.50"
(266.70mm)
10.02"
(254.51mm)
0.48"
(12.19mm)
82nd Driest
Driest since:
2002
46th Wettest
Wettest since:
1941
Oct 1957–Jul 1958
10-Month
12.96"
(329.18mm)
11.15"
(283.21mm)
1.81"
(45.97mm)
106th Driest
Driest since:
2002
22nd Wettest
Wettest since:
1941
Sep 1957–Jul 1958
11-Month
13.20"
(335.28mm)
12.52"
(318.01mm)
0.68"
(17.27mm)
87th Driest
Driest since:
2002
41st Wettest
Wettest since:
1941
Aug 1957–Jul 1958
12-Month
15.98"
(405.89mm)
14.53"
(369.06mm)
1.45"
(36.83mm)
99th Driest
Driest since:
2002
29th Wettest
Wettest since:
1941
Feb 1957–Jul 1958
18-Month
24.92"
(632.97mm)
21.67"
(550.42mm)
3.25"
(82.55mm)
111th Driest
Driest since:
2002
17th Wettest
Wettest since:
1942
Aug 1956–Jul 1958
24-Month
29.60"
(751.84mm)
29.06"
(738.12mm)
0.54"
(13.72mm)
81st Driest
Driest since:
2003
46th Wettest
Wettest since:
1942
Aug 1955–Jul 1958
36-Month
40.60"
(1,031.24mm)
43.55"
(1,106.17mm)
-2.95"
(-74.93mm)
40th Driest
Driest since:
1956
86th Wettest
Wettest since:
1907
Aug 1954–Jul 1958
48-Month
52.99"
(1,345.95mm)
58.02"
(1,473.71mm)
-5.03"
(-127.76mm)
25th Driest
Driest since:
1956
100th Wettest
Wettest since:
1986
Aug 1953–Jul 1958
60-Month
63.79"
(1,620.27mm)
72.50"
(1,841.50mm)
-8.71"
(-221.23mm)
10th Driest
Driest since:
1904
114th Wettest
Wettest since:
1987

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