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 2007

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 2007
1-Month
1.95"
(49.53mm)
1.87"
(47.50mm)
0.08"
(2.03mm)
71st Driest
Driest since:
2003
58th Wettest
Wettest since:
1914
Ties: 1926
Jun–Jul 2007
2-Month
2.67"
(67.82mm)
2.81"
(71.37mm)
-0.14"
(-3.55mm)
56th Driest
Driest since:
1980
73rd Wettest
Wettest since:
1921
Ties: 1909
May–Jul 2007
3-Month
3.97"
(100.84mm)
3.93"
(99.82mm)
0.04"
(1.02mm)
72nd Driest
Driest since:
2002
57th Wettest
Wettest since:
2015
Apr–Jul 2007
4-Month
4.95"
(125.73mm)
4.99"
(126.75mm)
-0.04"
(-1.02mm)
71st Driest
Driest since:
2002
58th Wettest
Wettest since:
1914
Mar–Jul 2007
5-Month
5.90"
(149.86mm)
6.14"
(155.96mm)
-0.24"
(-6.10mm)
64th Driest
Driest since:
2002
65th Wettest
Wettest since:
1941
Feb–Jul 2007
6-Month
6.64"
(168.66mm)
7.14"
(181.36mm)
-0.50"
(-12.70mm)
54th Driest
Driest since:
2002
75th Wettest
Wettest since:
1941
Jan–Jul 2007
7-Month
7.51"
(190.75mm)
8.12"
(206.25mm)
-0.61"
(-15.50mm)
54th Driest
Driest since:
2002
75th Wettest
Wettest since:
1905
Dec 2006–Jul 2007
8-Month
8.44"
(214.38mm)
9.13"
(231.90mm)
-0.69"
(-17.52mm)
52nd Driest
Driest since:
2002
76th Wettest
Wettest since:
1941
Ties: 1928
Nov 2006–Jul 2007
9-Month
8.84"
(224.54mm)
10.02"
(254.51mm)
-1.18"
(-29.97mm)
41st Driest
Driest since:
2002
87th Wettest
Wettest since:
1941
Ties: 1947
Oct 2006–Jul 2007
10-Month
11.00"
(279.40mm)
11.15"
(283.21mm)
-0.15"
(-3.81mm)
68th Driest
Driest since:
2002
60th Wettest
Wettest since:
1941
Sep 2006–Jul 2007
11-Month
12.88"
(327.15mm)
12.52"
(318.01mm)
0.36"
(9.14mm)
78th Driest
Driest since:
2002
50th Wettest
Wettest since:
1941
Aug 2006–Jul 2007
12-Month
15.64"
(397.26mm)
14.53"
(369.06mm)
1.11"
(28.20mm)
91st Driest
Driest since:
2002
37th Wettest
Wettest since:
1941
Feb 2006–Jul 2007
18-Month
21.60"
(548.64mm)
21.67"
(550.42mm)
-0.07"
(-1.78mm)
69th Driest
Driest since:
2002
59th Wettest
Wettest since:
1942
Aug 2005–Jul 2007
24-Month
27.99"
(710.95mm)
29.06"
(738.12mm)
-1.07"
(-27.17mm)
55th Driest
Driest since:
2003
72nd Wettest
Wettest since:
1942
Ties: 1953
Aug 2004–Jul 2007
36-Month
46.12"
(1,171.45mm)
43.55"
(1,106.17mm)
2.57"
(65.28mm)
97th Driest
Driest since:
1956
29th Wettest
Wettest since:
1907
Aug 2003–Jul 2007
48-Month
59.25"
(1,504.95mm)
58.02"
(1,473.71mm)
1.23"
(31.24mm)
81st Driest
Driest since:
1956
44th Wettest
Wettest since:
1986
Aug 2002–Jul 2007
60-Month
72.11"
(1,831.59mm)
72.50"
(1,841.50mm)
-0.39"
(-9.91mm)
66th Driest
Driest since:
1904
58th Wettest
Wettest since:
1987

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