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 1920

View Period (Months):
Download: csv json xml
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1920
1-Month
2.11"
(53.59mm)
2.02"
(51.31mm)
0.09"
(2.28mm)
77th Driest
Driest since:
1962
52nd Wettest
Wettest since:
1963
Jul–Aug 1920
2-Month
3.31"
(84.07mm)
3.89"
(98.81mm)
-0.58"
(-14.74mm)
34th Driest
Driest since:
2020
95th Wettest
Wettest since:
1921
Jun–Aug 1920
3-Month
4.47"
(113.54mm)
4.83"
(122.68mm)
-0.36"
(-9.14mm)
51st Driest
Driest since:
2020
78th Wettest
Wettest since:
1921
Ties: 1948
May–Aug 1920
4-Month
5.77"
(146.56mm)
5.94"
(150.88mm)
-0.17"
(-4.32mm)
63rd Driest
Driest since:
2020
66th Wettest
Wettest since:
1921
Apr–Aug 1920
5-Month
7.12"
(180.85mm)
7.00"
(177.80mm)
0.12"
(3.05mm)
80th Driest
Driest since:
2020
49th Wettest
Wettest since:
1999
Ties: 2022
Mar–Aug 1920
6-Month
8.50"
(215.90mm)
8.15"
(207.01mm)
0.35"
(8.89mm)
90th Driest
Driest since:
2002
39th Wettest
Wettest since:
1941
Ties: 1952
Feb–Aug 1920
7-Month
10.10"
(256.54mm)
9.16"
(232.66mm)
0.94"
(23.88mm)
106th Driest
Driest since:
2002
23rd Wettest
Wettest since:
1941
Jan–Aug 1920
8-Month
11.25"
(285.75mm)
10.14"
(257.56mm)
1.11"
(28.19mm)
104th Driest
Driest since:
2002
25th Wettest
Wettest since:
1941
Ties: 1897, 1986, 2017
Dec 1919–Aug 1920
9-Month
11.93"
(303.02mm)
11.15"
(283.21mm)
0.78"
(19.81mm)
89th Driest
Driest since:
2002
39th Wettest
Wettest since:
1941
Nov 1919–Aug 1920
10-Month
13.76"
(349.50mm)
12.04"
(305.82mm)
1.72"
(43.68mm)
108th Driest
Driest since:
2002
20th Wettest
Wettest since:
1941
Oct 1919–Aug 1920
11-Month
15.01"
(381.25mm)
13.17"
(334.52mm)
1.84"
(46.73mm)
107th Driest
Driest since:
2002
21st Wettest
Wettest since:
1941
Sep 1919–Aug 1920
12-Month
17.32"
(439.93mm)
14.54"
(369.32mm)
2.78"
(70.61mm)
112th Driest
Driest since:
2002
16th Wettest
Wettest since:
1941
Mar 1919–Aug 1920
18-Month
26.75"
(679.45mm)
22.69"
(576.33mm)
4.06"
(103.12mm)
118th Driest
Driest since:
2002
10th Wettest
Wettest since:
1942
Sep 1918–Aug 1920
24-Month
33.39"
(848.11mm)
29.09"
(738.89mm)
4.30"
(109.22mm)
110th Driest
Driest since:
2003
17th Wettest
Wettest since:
1942
Sep 1917–Aug 1920
36-Month
45.68"
(1,160.27mm)
43.58"
(1,106.93mm)
2.10"
(53.34mm)
94th Driest
Driest since:
1956
32nd Wettest
Wettest since:
1907
Sep 1916–Aug 1920
48-Month
60.27"
(1,530.86mm)
58.05"
(1,474.47mm)
2.22"
(56.39mm)
89th Driest
Driest since:
1956
36th Wettest
Wettest since:
1986
Sep 1915–Aug 1920
60-Month
76.13"
(1,933.70mm)
72.53"
(1,842.26mm)
3.60"
(91.44mm)
94th Driest
Driest since:
2004
30th Wettest
Wettest since:
1987

Citing This Page