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, August 1945

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
August 1945
1-Month
2.58"
(65.53mm)
2.02"
(51.31mm)
0.56"
(14.22mm)
107th Driest
Driest since:
1962
22nd Wettest
Wettest since:
1963
Ties: 1971
Jul–Aug 1945
2-Month
4.31"
(109.47mm)
3.89"
(98.81mm)
0.42"
(10.66mm)
84th Driest
Driest since:
2020
45th Wettest
Wettest since:
1921
Jun–Aug 1945
3-Month
5.12"
(130.05mm)
4.83"
(122.68mm)
0.29"
(7.37mm)
83rd Driest
Driest since:
2020
46th Wettest
Wettest since:
1921
Ties: 2010
May–Aug 1945
4-Month
5.75"
(146.05mm)
5.94"
(150.88mm)
-0.19"
(-4.83mm)
60th Driest
Driest since:
2020
69th Wettest
Wettest since:
1921
Ties: 1972
Apr–Aug 1945
5-Month
6.85"
(173.99mm)
7.00"
(177.80mm)
-0.15"
(-3.81mm)
63rd Driest
Driest since:
2020
66th Wettest
Wettest since:
1999
Mar–Aug 1945
6-Month
8.30"
(210.82mm)
8.15"
(207.01mm)
0.15"
(3.81mm)
79th Driest
Driest since:
2002
50th Wettest
Wettest since:
1941
Feb–Aug 1945
7-Month
9.09"
(230.89mm)
9.16"
(232.66mm)
-0.07"
(-1.77mm)
71st Driest
Driest since:
2002
58th Wettest
Wettest since:
1941
Ties: 2017
Jan–Aug 1945
8-Month
9.99"
(253.75mm)
10.14"
(257.56mm)
-0.15"
(-3.81mm)
67th Driest
Driest since:
2002
62nd Wettest
Wettest since:
1941
Dec 1944–Aug 1945
9-Month
10.84"
(275.34mm)
11.15"
(283.21mm)
-0.31"
(-7.87mm)
66th Driest
Driest since:
2002
62nd Wettest
Wettest since:
1941
Nov 1944–Aug 1945
10-Month
12.20"
(309.88mm)
12.04"
(305.82mm)
0.16"
(4.06mm)
78th Driest
Driest since:
2002
50th Wettest
Wettest since:
1941
Oct 1944–Aug 1945
11-Month
13.07"
(331.98mm)
13.17"
(334.52mm)
-0.10"
(-2.54mm)
69th Driest
Driest since:
2002
59th Wettest
Wettest since:
1941
Ties: 1937
Sep 1944–Aug 1945
12-Month
14.13"
(358.90mm)
14.54"
(369.32mm)
-0.41"
(-10.42mm)
62nd Driest
Driest since:
2002
66th Wettest
Wettest since:
1941
Ties: 1935
Mar 1944–Aug 1945
18-Month
21.93"
(557.02mm)
22.69"
(576.33mm)
-0.76"
(-19.31mm)
58th Driest
Driest since:
2002
70th Wettest
Wettest since:
1942
Sep 1943–Aug 1945
24-Month
27.71"
(703.83mm)
29.09"
(738.89mm)
-1.38"
(-35.06mm)
54th Driest
Driest since:
2003
73rd Wettest
Wettest since:
1942
Sep 1942–Aug 1945
36-Month
41.39"
(1,051.31mm)
43.58"
(1,106.93mm)
-2.19"
(-55.62mm)
48th Driest
Driest since:
1956
78th Wettest
Wettest since:
1907
Sep 1941–Aug 1945
48-Month
58.66"
(1,489.96mm)
58.05"
(1,474.47mm)
0.61"
(15.49mm)
76th Driest
Driest since:
1956
49th Wettest
Wettest since:
1986
Sep 1940–Aug 1945
60-Month
80.57"
(2,046.48mm)
72.53"
(1,842.26mm)
8.04"
(204.22mm)
116th Driest
Driest since:
2004
8th Wettest
Wettest since:
1987

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