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, April 2002

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
April 2002
1-Month
0.43"
(10.92mm)
1.06"
(26.92mm)
-0.63"
(-16.00mm)
6th Driest
Driest since:
1989
123rd Wettest
Wettest since:
1900
Ties: 1902
Mar–Apr 2002
2-Month
0.98"
(24.89mm)
2.21"
(56.13mm)
-1.23"
(-31.24mm)
6th Driest
Driest since:
1972
123rd Wettest
Wettest since:
1905
Feb–Apr 2002
3-Month
1.28"
(32.51mm)
3.21"
(81.53mm)
-1.93"
(-49.02mm)
2nd Driest
Driest since:
1972
127th Wettest
Wettest since:
1905
Jan–Apr 2002
4-Month
1.72"
(43.69mm)
4.20"
(106.68mm)
-2.48"
(-62.99mm)
2nd Driest
Driest since:
1972
127th Wettest
Wettest since:
1905
Dec 2001–Apr 2002
5-Month
2.44"
(61.98mm)
5.21"
(132.33mm)
-2.77"
(-70.35mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1905
Nov 2001–Apr 2002
6-Month
3.38"
(85.85mm)
6.10"
(154.94mm)
-2.72"
(-69.09mm)
3rd Driest
Driest since:
1904
125th Wettest
Wettest since:
1941
Oct 2001–Apr 2002
7-Month
3.82"
(97.03mm)
7.23"
(183.64mm)
-3.41"
(-86.61mm)
2nd Driest
Driest since:
1904
126th Wettest
Wettest since:
1941
Ties: 2018
Sep 2001–Apr 2002
8-Month
4.51"
(114.55mm)
8.60"
(218.44mm)
-4.09"
(-103.89mm)
1st Driest
Driest since:
2002
127th Wettest
Wettest since:
1941
Aug 2001–Apr 2002
9-Month
6.48"
(164.59mm)
10.61"
(269.49mm)
-4.13"
(-104.90mm)
3rd Driest
Driest since:
2021
125th Wettest
Wettest since:
1905
Jul 2001–Apr 2002
10-Month
8.18"
(207.77mm)
12.48"
(316.99mm)
-4.30"
(-109.22mm)
3rd Driest
Driest since:
2021
125th Wettest
Wettest since:
1905
Jun 2001–Apr 2002
11-Month
8.78"
(223.01mm)
13.41"
(340.61mm)
-4.63"
(-117.60mm)
2nd Driest
Driest since:
2021
126th Wettest
Wettest since:
1905
May 2001–Apr 2002
12-Month
9.96"
(252.98mm)
14.53"
(369.06mm)
-4.57"
(-116.08mm)
3rd Driest
Driest since:
2021
125th Wettest
Wettest since:
1942
Nov 2000–Apr 2002
18-Month
15.90"
(403.86mm)
20.64"
(524.26mm)
-4.74"
(-120.40mm)
6th Driest
Driest since:
2021
121st Wettest
Wettest since:
1942
May 2000–Apr 2002
24-Month
24.15"
(613.41mm)
29.05"
(737.87mm)
-4.90"
(-124.46mm)
13th Driest
Driest since:
2022
114th Wettest
Wettest since:
1942
Ties: 1964
May 1999–Apr 2002
36-Month
38.57"
(979.68mm)
43.55"
(1,106.17mm)
-4.98"
(-126.49mm)
21st Driest
Driest since:
1904
105th Wettest
Wettest since:
1907
May 1998–Apr 2002
48-Month
53.44"
(1,357.38mm)
58.02"
(1,473.71mm)
-4.58"
(-116.33mm)
26th Driest
Driest since:
1904
99th Wettest
Wettest since:
1986
May 1997–Apr 2002
60-Month
71.47"
(1,815.34mm)
72.49"
(1,841.25mm)
-1.02"
(-25.91mm)
61st Driest
Driest since:
1957
63rd Wettest
Wettest since:
1987

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