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 1955

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
July 1955
1-Month
2.20"
(55.88mm)
1.87"
(47.50mm)
0.33"
(8.38mm)
92nd Driest
Driest since:
2003
37th Wettest
Wettest since:
1914
Jun–Jul 1955
2-Month
2.92"
(74.17mm)
2.81"
(71.37mm)
0.11"
(2.80mm)
74th Driest
Driest since:
1980
55th Wettest
Wettest since:
1921
May–Jul 1955
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: 1988, 1998
Apr–Jul 1955
4-Month
4.69"
(119.13mm)
4.99"
(126.75mm)
-0.30"
(-7.62mm)
55th Driest
Driest since:
2002
74th Wettest
Wettest since:
1914
Ties: 1996
Mar–Jul 1955
5-Month
5.02"
(127.51mm)
6.14"
(155.96mm)
-1.12"
(-28.45mm)
23rd Driest
Driest since:
2002
106th Wettest
Wettest since:
1941
Ties: 2013
Feb–Jul 1955
6-Month
5.87"
(149.10mm)
7.14"
(181.36mm)
-1.27"
(-32.26mm)
22nd Driest
Driest since:
2002
107th Wettest
Wettest since:
1941
Ties: 1947, 2008
Jan–Jul 1955
7-Month
7.04"
(178.82mm)
8.12"
(206.25mm)
-1.08"
(-27.43mm)
42nd Driest
Driest since:
2002
87th Wettest
Wettest since:
1905
Dec 1954–Jul 1955
8-Month
7.56"
(192.02mm)
9.13"
(231.90mm)
-1.57"
(-39.88mm)
29th Driest
Driest since:
2002
99th Wettest
Wettest since:
1941
Nov 1954–Jul 1955
9-Month
8.03"
(203.96mm)
10.02"
(254.51mm)
-1.99"
(-50.55mm)
21st Driest
Driest since:
2002
107th Wettest
Wettest since:
1941
Oct 1954–Jul 1955
10-Month
9.11"
(231.39mm)
11.15"
(283.21mm)
-2.04"
(-51.82mm)
27th Driest
Driest since:
2002
101st Wettest
Wettest since:
1941
Sep 1954–Jul 1955
11-Month
10.61"
(269.49mm)
12.52"
(318.01mm)
-1.91"
(-48.52mm)
32nd Driest
Driest since:
2002
96th Wettest
Wettest since:
1941
Aug 1954–Jul 1955
12-Month
12.39"
(314.71mm)
14.53"
(369.06mm)
-2.14"
(-54.35mm)
30th Driest
Driest since:
2002
98th Wettest
Wettest since:
1941
Feb 1954–Jul 1955
18-Month
18.27"
(464.06mm)
21.67"
(550.42mm)
-3.40"
(-86.36mm)
21st Driest
Driest since:
2002
107th Wettest
Wettest since:
1942
Aug 1953–Jul 1955
24-Month
23.19"
(589.03mm)
29.06"
(738.12mm)
-5.87"
(-149.09mm)
8th Driest
Driest since:
2003
119th Wettest
Wettest since:
1942
Aug 1952–Jul 1955
36-Month
35.22"
(894.59mm)
43.55"
(1,106.17mm)
-8.33"
(-211.58mm)
6th Driest
Driest since:
1956
120th Wettest
Wettest since:
1907
Aug 1951–Jul 1955
48-Month
51.18"
(1,299.97mm)
58.02"
(1,473.71mm)
-6.84"
(-173.74mm)
15th Driest
Driest since:
1956
110th Wettest
Wettest since:
1986
Aug 1950–Jul 1955
60-Month
61.61"
(1,564.89mm)
72.50"
(1,841.50mm)
-10.89"
(-276.61mm)
6th Driest
Driest since:
1904
118th Wettest
Wettest since:
1987

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