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 1947

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 1947
1-Month
1.09"
(27.69mm)
1.87"
(47.50mm)
-0.78"
(-19.81mm)
10th Driest
Driest since:
2003
119th Wettest
Wettest since:
1914
Ties: 1963
Jun–Jul 1947
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: 2012
May–Jul 1947
3-Month
3.94"
(100.08mm)
3.93"
(99.82mm)
0.01"
(0.26mm)
71st Driest
Driest since:
2002
58th Wettest
Wettest since:
2015
Apr–Jul 1947
4-Month
4.80"
(121.92mm)
4.99"
(126.75mm)
-0.19"
(-4.83mm)
62nd Driest
Driest since:
2002
67th Wettest
Wettest since:
1914
Mar–Jul 1947
5-Month
5.36"
(136.14mm)
6.14"
(155.96mm)
-0.78"
(-19.82mm)
36th Driest
Driest since:
2002
93rd Wettest
Wettest since:
1941
Ties: 1994
Feb–Jul 1947
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: 1955, 2008
Jan–Jul 1947
7-Month
6.46"
(164.08mm)
8.12"
(206.25mm)
-1.66"
(-42.17mm)
21st Driest
Driest since:
2002
108th Wettest
Wettest since:
1905
Dec 1946–Jul 1947
8-Month
7.19"
(182.63mm)
9.13"
(231.90mm)
-1.94"
(-49.27mm)
20th Driest
Driest since:
2002
108th Wettest
Wettest since:
1941
Nov 1946–Jul 1947
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: 2007
Oct 1946–Jul 1947
10-Month
10.62"
(269.75mm)
11.15"
(283.21mm)
-0.53"
(-13.46mm)
59th Driest
Driest since:
2002
69th Wettest
Wettest since:
1941
Sep 1946–Jul 1947
11-Month
12.01"
(305.05mm)
12.52"
(318.01mm)
-0.51"
(-12.96mm)
60th Driest
Driest since:
2002
68th Wettest
Wettest since:
1941
Ties: 1929
Aug 1946–Jul 1947
12-Month
14.58"
(370.33mm)
14.53"
(369.06mm)
0.05"
(1.27mm)
70th Driest
Driest since:
2002
58th Wettest
Wettest since:
1941
Feb 1946–Jul 1947
18-Month
20.10"
(510.54mm)
21.67"
(550.42mm)
-1.57"
(-39.88mm)
44th Driest
Driest since:
2002
84th Wettest
Wettest since:
1942
Aug 1945–Jul 1947
24-Month
26.64"
(676.66mm)
29.06"
(738.12mm)
-2.42"
(-61.46mm)
31st Driest
Driest since:
2003
96th Wettest
Wettest since:
1942
Aug 1944–Jul 1947
36-Month
39.51"
(1,003.55mm)
43.55"
(1,106.17mm)
-4.04"
(-102.62mm)
31st Driest
Driest since:
1956
95th Wettest
Wettest since:
1907
Aug 1943–Jul 1947
48-Month
54.01"
(1,371.85mm)
58.02"
(1,473.71mm)
-4.01"
(-101.86mm)
32nd Driest
Driest since:
1956
93rd Wettest
Wettest since:
1986
Aug 1942–Jul 1947
60-Month
67.42"
(1,712.47mm)
72.50"
(1,841.50mm)
-5.08"
(-129.03mm)
25th Driest
Driest since:
1904
99th Wettest
Wettest since:
1987

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