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 2019

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 2019
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: 1956
Jul–Aug 2019
2-Month
2.33"
(59.18mm)
3.89"
(98.81mm)
-1.56"
(-39.63mm)
3rd Driest
Driest since:
2020
126th Wettest
Wettest since:
1921
Jun–Aug 2019
3-Month
3.13"
(79.50mm)
4.83"
(122.68mm)
-1.70"
(-43.18mm)
6th Driest
Driest since:
2020
123rd Wettest
Wettest since:
1921
May–Aug 2019
4-Month
4.94"
(125.48mm)
5.94"
(150.88mm)
-1.00"
(-25.40mm)
23rd Driest
Driest since:
2020
106th Wettest
Wettest since:
1921
Apr–Aug 2019
5-Month
5.96"
(151.38mm)
7.00"
(177.80mm)
-1.04"
(-26.42mm)
24th Driest
Driest since:
2020
105th Wettest
Wettest since:
1999
Mar–Aug 2019
6-Month
7.78"
(197.61mm)
8.15"
(207.01mm)
-0.37"
(-9.40mm)
57th Driest
Driest since:
2002
72nd Wettest
Wettest since:
1941
Feb–Aug 2019
7-Month
9.53"
(242.06mm)
9.16"
(232.66mm)
0.37"
(9.40mm)
84th Driest
Driest since:
2002
45th Wettest
Wettest since:
1941
Ties: 1897
Jan–Aug 2019
8-Month
10.73"
(272.54mm)
10.14"
(257.56mm)
0.59"
(14.98mm)
82nd Driest
Driest since:
2002
47th Wettest
Wettest since:
1941
Dec 2018–Aug 2019
9-Month
11.53"
(292.86mm)
11.15"
(283.21mm)
0.38"
(9.65mm)
79th Driest
Driest since:
2002
49th Wettest
Wettest since:
1941
Nov 2018–Aug 2019
10-Month
12.05"
(306.07mm)
12.04"
(305.82mm)
0.01"
(0.25mm)
75th Driest
Driest since:
2002
53rd Wettest
Wettest since:
1941
Oct 2018–Aug 2019
11-Month
14.73"
(374.14mm)
13.17"
(334.52mm)
1.56"
(39.62mm)
101st Driest
Driest since:
2002
27th Wettest
Wettest since:
1941
Sep 2018–Aug 2019
12-Month
15.65"
(397.51mm)
14.54"
(369.32mm)
1.11"
(28.19mm)
93rd Driest
Driest since:
2002
35th Wettest
Wettest since:
1941
Mar 2018–Aug 2019
18-Month
21.99"
(558.55mm)
22.69"
(576.33mm)
-0.70"
(-17.78mm)
60th Driest
Driest since:
2002
68th Wettest
Wettest since:
1942
Ties: 1923
Sep 2017–Aug 2019
24-Month
26.23"
(666.24mm)
29.09"
(738.89mm)
-2.86"
(-72.65mm)
28th Driest
Driest since:
2003
99th Wettest
Wettest since:
1942
Sep 2016–Aug 2019
36-Month
42.23"
(1,072.64mm)
43.58"
(1,106.93mm)
-1.35"
(-34.29mm)
56th Driest
Driest since:
1956
70th Wettest
Wettest since:
1907
Sep 2015–Aug 2019
48-Month
56.84"
(1,443.74mm)
58.05"
(1,474.47mm)
-1.21"
(-30.73mm)
61st Driest
Driest since:
1956
64th Wettest
Wettest since:
1986
Sep 2014–Aug 2019
60-Month
74.39"
(1,889.51mm)
72.53"
(1,842.26mm)
1.86"
(47.25mm)
83rd Driest
Driest since:
2004
41st Wettest
Wettest since:
1987

Citing This Page