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 1956

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 1956
1-Month
1.11"
(28.19mm)
2.02"
(51.31mm)
-0.91"
(-23.12mm)
10th Driest
Driest since:
1962
119th Wettest
Wettest since:
1963
Ties: 2019
Jul–Aug 1956
2-Month
2.76"
(70.10mm)
3.89"
(98.81mm)
-1.13"
(-28.71mm)
13th Driest
Driest since:
2020
116th Wettest
Wettest since:
1921
Ties: 1960
Jun–Aug 1956
3-Month
3.28"
(83.31mm)
4.83"
(122.68mm)
-1.55"
(-39.37mm)
8th Driest
Driest since:
2020
121st Wettest
Wettest since:
1921
May–Aug 1956
4-Month
3.99"
(101.35mm)
5.94"
(150.88mm)
-1.95"
(-49.53mm)
6th Driest
Driest since:
2020
123rd Wettest
Wettest since:
1921
Apr–Aug 1956
5-Month
4.68"
(118.87mm)
7.00"
(177.80mm)
-2.32"
(-58.93mm)
5th Driest
Driest since:
2020
124th Wettest
Wettest since:
1999
Mar–Aug 1956
6-Month
4.91"
(124.71mm)
8.15"
(207.01mm)
-3.24"
(-82.30mm)
2nd Driest
Driest since:
2002
127th Wettest
Wettest since:
1941
Feb–Aug 1956
7-Month
5.67"
(144.02mm)
9.16"
(232.66mm)
-3.49"
(-88.64mm)
2nd Driest
Driest since:
2002
127th Wettest
Wettest since:
1941
Jan–Aug 1956
8-Month
6.93"
(176.02mm)
10.14"
(257.56mm)
-3.21"
(-81.54mm)
4th Driest
Driest since:
2002
125th Wettest
Wettest since:
1941
Dec 1955–Aug 1956
9-Month
7.62"
(193.55mm)
11.15"
(283.21mm)
-3.53"
(-89.66mm)
2nd Driest
Driest since:
2002
126th Wettest
Wettest since:
1941
Nov 1955–Aug 1956
10-Month
8.33"
(211.58mm)
12.04"
(305.82mm)
-3.71"
(-94.24mm)
2nd Driest
Driest since:
2002
126th Wettest
Wettest since:
1941
Oct 1955–Aug 1956
11-Month
8.80"
(223.52mm)
13.17"
(334.52mm)
-4.37"
(-111.00mm)
2nd Driest
Driest since:
2002
126th Wettest
Wettest since:
1941
Sep 1955–Aug 1956
12-Month
9.43"
(239.52mm)
14.54"
(369.32mm)
-5.11"
(-129.80mm)
2nd Driest
Driest since:
2002
126th Wettest
Wettest since:
1941
Mar 1955–Aug 1956
18-Month
17.13"
(435.10mm)
22.69"
(576.33mm)
-5.56"
(-141.23mm)
3rd Driest
Driest since:
2002
125th Wettest
Wettest since:
1942
Sep 1954–Aug 1956
24-Month
22.72"
(577.09mm)
29.09"
(738.89mm)
-6.37"
(-161.80mm)
3rd Driest
Driest since:
2003
124th Wettest
Wettest since:
1942
Ties: 1954
Sep 1953–Aug 1956
36-Month
33.58"
(852.93mm)
43.58"
(1,106.93mm)
-10.00"
(-254.00mm)
1st Driest
Driest since:
1956
125th Wettest
Wettest since:
1907
Sep 1952–Aug 1956
48-Month
45.44"
(1,154.18mm)
58.05"
(1,474.47mm)
-12.61"
(-320.29mm)
1st Driest
Driest since:
1956
124th Wettest
Wettest since:
1986
Sep 1951–Aug 1956
60-Month
60.51"
(1,536.95mm)
72.53"
(1,842.26mm)
-12.02"
(-305.31mm)
3rd Driest
Driest since:
2004
121st Wettest
Wettest since:
1987
Ties: 1904

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