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 1904

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 1904
1-Month
0.49"
(12.45mm)
1.06"
(26.92mm)
-0.57"
(-14.47mm)
11th Driest
Driest since:
1989
118th Wettest
Wettest since:
1900
Ties: 1899
Mar–Apr 1904
2-Month
1.56"
(39.62mm)
2.21"
(56.13mm)
-0.65"
(-16.51mm)
32nd Driest
Driest since:
1972
97th Wettest
Wettest since:
1905
Feb–Apr 1904
3-Month
2.22"
(56.39mm)
3.21"
(81.53mm)
-0.99"
(-25.14mm)
26th Driest
Driest since:
1972
103rd Wettest
Wettest since:
1905
Jan–Apr 1904
4-Month
2.59"
(65.79mm)
4.20"
(106.68mm)
-1.61"
(-40.89mm)
12th Driest
Driest since:
1972
117th Wettest
Wettest since:
1905
Dec 1903–Apr 1904
5-Month
2.79"
(70.87mm)
5.21"
(132.33mm)
-2.42"
(-61.46mm)
3rd Driest
Driest since:
2002
125th Wettest
Wettest since:
1905
Nov 1903–Apr 1904
6-Month
2.96"
(75.18mm)
6.10"
(154.94mm)
-3.14"
(-79.76mm)
1st Driest
Driest since:
1904
127th Wettest
Wettest since:
1941
Oct 1903–Apr 1904
7-Month
3.48"
(88.39mm)
7.23"
(183.64mm)
-3.75"
(-95.25mm)
1st Driest
Driest since:
1904
127th Wettest
Wettest since:
1941
Sep 1903–Apr 1904
8-Month
4.91"
(124.71mm)
8.60"
(218.44mm)
-3.69"
(-93.73mm)
2nd Driest
Driest since:
2002
126th Wettest
Wettest since:
1941
Aug 1903–Apr 1904
9-Month
6.30"
(160.02mm)
10.61"
(269.49mm)
-4.31"
(-109.47mm)
2nd Driest
Driest since:
2021
126th Wettest
Wettest since:
1905
Jul 1903–Apr 1904
10-Month
7.36"
(186.94mm)
12.48"
(316.99mm)
-5.12"
(-130.05mm)
2nd Driest
Driest since:
2021
126th Wettest
Wettest since:
1905
Jun 1903–Apr 1904
11-Month
9.32"
(236.73mm)
13.41"
(340.61mm)
-4.09"
(-103.88mm)
5th Driest
Driest since:
2021
123rd Wettest
Wettest since:
1905
May 1903–Apr 1904
12-Month
10.18"
(258.57mm)
14.53"
(369.06mm)
-4.35"
(-110.49mm)
4th Driest
Driest since:
2021
124th Wettest
Wettest since:
1942
Nov 1902–Apr 1904
18-Month
16.72"
(424.69mm)
20.64"
(524.26mm)
-3.92"
(-99.57mm)
16th Driest
Driest since:
2021
111th Wettest
Wettest since:
1942
May 1902–Apr 1904
24-Month
23.43"
(595.12mm)
29.05"
(737.87mm)
-5.62"
(-142.75mm)
8th Driest
Driest since:
2022
119th Wettest
Wettest since:
1942
May 1901–Apr 1904
36-Month
34.05"
(864.87mm)
43.55"
(1,106.17mm)
-9.50"
(-241.30mm)
1st Driest
Driest since:
1904
125th Wettest
Wettest since:
1907
May 1900–Apr 1904
48-Month
45.94"
(1,166.88mm)
58.02"
(1,473.71mm)
-12.08"
(-306.83mm)
1st Driest
Driest since:
1904
124th Wettest
Wettest since:
1986
May 1899–Apr 1904
60-Month
59.11"
(1,501.39mm)
72.49"
(1,841.25mm)
-13.38"
(-339.86mm)
2nd Driest
Driest since:
1957
122nd Wettest
Wettest since:
1987

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