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 1952

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 1952
1-Month
1.58"
(40.13mm)
1.87"
(47.50mm)
-0.29"
(-7.37mm)
38th Driest
Driest since:
2003
91st Wettest
Wettest since:
1914
Jun–Jul 1952
2-Month
2.46"
(62.48mm)
2.81"
(71.37mm)
-0.35"
(-8.89mm)
43rd Driest
Driest since:
1980
86th Wettest
Wettest since:
1921
Ties: 1931, 1961
May–Jul 1952
3-Month
3.30"
(83.82mm)
3.93"
(99.82mm)
-0.63"
(-16.00mm)
33rd Driest
Driest since:
2002
96th Wettest
Wettest since:
2015
Apr–Jul 1952
4-Month
4.90"
(124.46mm)
4.99"
(126.75mm)
-0.09"
(-2.29mm)
69th Driest
Driest since:
2002
60th Wettest
Wettest since:
1914
Mar–Jul 1952
5-Month
6.61"
(167.89mm)
6.14"
(155.96mm)
0.47"
(11.93mm)
96th Driest
Driest since:
2002
33rd Wettest
Wettest since:
1941
Feb–Jul 1952
6-Month
7.15"
(181.61mm)
7.14"
(181.36mm)
0.01"
(0.25mm)
70th Driest
Driest since:
2002
59th Wettest
Wettest since:
1941
Jan–Jul 1952
7-Month
8.54"
(216.92mm)
8.12"
(206.25mm)
0.42"
(10.67mm)
81st Driest
Driest since:
2002
48th Wettest
Wettest since:
1905
Dec 1951–Jul 1952
8-Month
10.43"
(264.92mm)
9.13"
(231.90mm)
1.30"
(33.02mm)
100th Driest
Driest since:
2002
28th Wettest
Wettest since:
1941
Nov 1951–Jul 1952
9-Month
11.38"
(289.05mm)
10.02"
(254.51mm)
1.36"
(34.54mm)
102nd Driest
Driest since:
2002
26th Wettest
Wettest since:
1941
Oct 1951–Jul 1952
10-Month
12.69"
(322.33mm)
11.15"
(283.21mm)
1.54"
(39.12mm)
99th Driest
Driest since:
2002
29th Wettest
Wettest since:
1941
Sep 1951–Jul 1952
11-Month
13.18"
(334.77mm)
12.52"
(318.01mm)
0.66"
(16.76mm)
86th Driest
Driest since:
2002
42nd Wettest
Wettest since:
1941
Ties: 2010
Aug 1951–Jul 1952
12-Month
15.96"
(405.38mm)
14.53"
(369.06mm)
1.43"
(36.32mm)
98th Driest
Driest since:
2002
30th Wettest
Wettest since:
1941
Feb 1951–Jul 1952
18-Month
21.76"
(552.70mm)
21.67"
(550.42mm)
0.09"
(2.28mm)
73rd Driest
Driest since:
2002
55th Wettest
Wettest since:
1942
Aug 1950–Jul 1952
24-Month
26.39"
(670.31mm)
29.06"
(738.12mm)
-2.67"
(-67.81mm)
30th Driest
Driest since:
2003
97th Wettest
Wettest since:
1942
Aug 1949–Jul 1952
36-Month
38.46"
(976.88mm)
43.55"
(1,106.17mm)
-5.09"
(-129.29mm)
19th Driest
Driest since:
1956
107th Wettest
Wettest since:
1907
Aug 1948–Jul 1952
48-Month
54.00"
(1,371.60mm)
58.02"
(1,473.71mm)
-4.02"
(-102.11mm)
30th Driest
Driest since:
1956
95th Wettest
Wettest since:
1986
Ties: 1935
Aug 1947–Jul 1952
60-Month
68.61"
(1,742.69mm)
72.50"
(1,841.50mm)
-3.89"
(-98.81mm)
38th Driest
Driest since:
1904
86th Wettest
Wettest since:
1987

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