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 2012

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 2012
1-Month
2.08"
(52.83mm)
1.87"
(47.50mm)
0.21"
(5.33mm)
80th Driest
Driest since:
2003
49th Wettest
Wettest since:
1914
Jun–Jul 2012
2-Month
2.31"
(58.67mm)
2.81"
(71.37mm)
-0.50"
(-12.70mm)
33rd Driest
Driest since:
1980
96th Wettest
Wettest since:
1921
Ties: 1947
May–Jul 2012
3-Month
2.84"
(72.14mm)
3.93"
(99.82mm)
-1.09"
(-27.68mm)
11th Driest
Driest since:
2002
118th Wettest
Wettest since:
2015
Apr–Jul 2012
4-Month
3.52"
(89.41mm)
4.99"
(126.75mm)
-1.47"
(-37.34mm)
10th Driest
Driest since:
2002
119th Wettest
Wettest since:
1914
Mar–Jul 2012
5-Month
4.04"
(102.62mm)
6.14"
(155.96mm)
-2.10"
(-53.34mm)
5th Driest
Driest since:
2002
124th Wettest
Wettest since:
1941
Feb–Jul 2012
6-Month
4.80"
(121.92mm)
7.14"
(181.36mm)
-2.34"
(-59.44mm)
7th Driest
Driest since:
2002
122nd Wettest
Wettest since:
1941
Jan–Jul 2012
7-Month
5.31"
(134.87mm)
8.12"
(206.25mm)
-2.81"
(-71.38mm)
4th Driest
Driest since:
2002
125th Wettest
Wettest since:
1905
Dec 2011–Jul 2012
8-Month
6.58"
(167.13mm)
9.13"
(231.90mm)
-2.55"
(-64.77mm)
9th Driest
Driest since:
2002
119th Wettest
Wettest since:
1941
Nov 2011–Jul 2012
9-Month
7.38"
(187.45mm)
10.02"
(254.51mm)
-2.64"
(-67.06mm)
11th Driest
Driest since:
2002
117th Wettest
Wettest since:
1941
Oct 2011–Jul 2012
10-Month
8.56"
(217.42mm)
11.15"
(283.21mm)
-2.59"
(-65.79mm)
16th Driest
Driest since:
2002
112th Wettest
Wettest since:
1941
Sep 2011–Jul 2012
11-Month
9.89"
(251.21mm)
12.52"
(318.01mm)
-2.63"
(-66.80mm)
17th Driest
Driest since:
2002
111th Wettest
Wettest since:
1941
Aug 2011–Jul 2012
12-Month
11.35"
(288.29mm)
14.53"
(369.06mm)
-3.18"
(-80.77mm)
14th Driest
Driest since:
2002
114th Wettest
Wettest since:
1941
Feb 2011–Jul 2012
18-Month
17.67"
(448.82mm)
21.67"
(550.42mm)
-4.00"
(-101.60mm)
12th Driest
Driest since:
2002
116th Wettest
Wettest since:
1942
Aug 2010–Jul 2012
24-Month
24.51"
(622.55mm)
29.06"
(738.12mm)
-4.55"
(-115.57mm)
16th Driest
Driest since:
2003
111th Wettest
Wettest since:
1942
Aug 2009–Jul 2012
36-Month
38.60"
(980.44mm)
43.55"
(1,106.17mm)
-4.95"
(-125.73mm)
21st Driest
Driest since:
1956
105th Wettest
Wettest since:
1907
Aug 2008–Jul 2012
48-Month
52.67"
(1,337.82mm)
58.02"
(1,473.71mm)
-5.35"
(-135.89mm)
21st Driest
Driest since:
1956
104th Wettest
Wettest since:
1986
Aug 2007–Jul 2012
60-Month
66.49"
(1,688.85mm)
72.50"
(1,841.50mm)
-6.01"
(-152.65mm)
21st Driest
Driest since:
1904
103rd Wettest
Wettest since:
1987

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