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 1988

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 1988
1-Month
1.79"
(45.47mm)
1.87"
(47.50mm)
-0.08"
(-2.03mm)
58th Driest
Driest since:
2003
71st Wettest
Wettest since:
1914
Jun–Jul 1988
2-Month
3.01"
(76.45mm)
2.81"
(71.37mm)
0.20"
(5.08mm)
82nd Driest
Driest since:
1980
47th Wettest
Wettest since:
1921
Ties: 1936
May–Jul 1988
3-Month
4.18"
(106.17mm)
3.93"
(99.82mm)
0.25"
(6.35mm)
87th Driest
Driest since:
2002
42nd Wettest
Wettest since:
2015
Ties: 1955, 1998
Apr–Jul 1988
4-Month
5.79"
(147.07mm)
4.99"
(126.75mm)
0.80"
(20.32mm)
109th Driest
Driest since:
2002
20th Wettest
Wettest since:
1914
Ties: 1985
Mar–Jul 1988
5-Month
6.36"
(161.54mm)
6.14"
(155.96mm)
0.22"
(5.58mm)
85th Driest
Driest since:
2002
44th Wettest
Wettest since:
1941
Feb–Jul 1988
6-Month
7.04"
(178.82mm)
7.14"
(181.36mm)
-0.10"
(-2.54mm)
64th Driest
Driest since:
2002
65th Wettest
Wettest since:
1941
Jan–Jul 1988
7-Month
8.13"
(206.50mm)
8.12"
(206.25mm)
0.01"
(0.25mm)
73rd Driest
Driest since:
2002
56th Wettest
Wettest since:
1905
Ties: 1923
Dec 1987–Jul 1988
8-Month
9.44"
(239.78mm)
9.13"
(231.90mm)
0.31"
(7.88mm)
80th Driest
Driest since:
2002
48th Wettest
Wettest since:
1941
Nov 1987–Jul 1988
9-Month
10.85"
(275.59mm)
10.02"
(254.51mm)
0.83"
(21.08mm)
91st Driest
Driest since:
2002
37th Wettest
Wettest since:
1941
Oct 1987–Jul 1988
10-Month
11.96"
(303.78mm)
11.15"
(283.21mm)
0.81"
(20.57mm)
83rd Driest
Driest since:
2002
45th Wettest
Wettest since:
1941
Sep 1987–Jul 1988
11-Month
12.70"
(322.58mm)
12.52"
(318.01mm)
0.18"
(4.57mm)
75th Driest
Driest since:
2002
53rd Wettest
Wettest since:
1941
Aug 1987–Jul 1988
12-Month
15.19"
(385.83mm)
14.53"
(369.06mm)
0.66"
(16.77mm)
82nd Driest
Driest since:
2002
46th Wettest
Wettest since:
1941
Feb 1987–Jul 1988
18-Month
22.55"
(572.77mm)
21.67"
(550.42mm)
0.88"
(22.35mm)
86th Driest
Driest since:
2002
42nd Wettest
Wettest since:
1942
Aug 1986–Jul 1988
24-Month
32.07"
(814.58mm)
29.06"
(738.12mm)
3.01"
(76.46mm)
102nd Driest
Driest since:
2003
25th Wettest
Wettest since:
1942
Aug 1985–Jul 1988
36-Month
48.61"
(1,234.69mm)
43.55"
(1,106.17mm)
5.06"
(128.52mm)
112th Driest
Driest since:
1956
14th Wettest
Wettest since:
1907
Aug 1984–Jul 1988
48-Month
67.40"
(1,711.96mm)
58.02"
(1,473.71mm)
9.38"
(238.25mm)
120th Driest
Driest since:
1956
5th Wettest
Wettest since:
1986
Aug 1983–Jul 1988
60-Month
84.32"
(2,141.73mm)
72.50"
(1,841.50mm)
11.82"
(300.23mm)
120th Driest
Driest since:
1904
4th Wettest
Wettest since:
1987

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