Regional Rankings

Regional Data Info
Please note, Palmer Indices are not available for NWS Regions. Degree Days are not available for Great Plains, Souther Plains and Gulf Coast Rockies and Westward, River Basins, or Agricultural Belts. 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 1974

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
April 1974
1-Month
0.73"
(18.54mm)
1.06"
(26.92mm)
-0.33"
(-8.38mm)
43rd Driest
Driest since:
1989
86th Wettest
Wettest since:
1900
Ties: 1897
Mar–Apr 1974
2-Month
1.55"
(39.37mm)
2.21"
(56.13mm)
-0.66"
(-16.76mm)
31st Driest
Driest since:
1972
98th Wettest
Wettest since:
1905
Feb–Apr 1974
3-Month
1.88"
(47.75mm)
3.21"
(81.53mm)
-1.33"
(-33.78mm)
11th Driest
Driest since:
1972
118th Wettest
Wettest since:
1905
Jan–Apr 1974
4-Month
3.42"
(86.87mm)
4.20"
(106.68mm)
-0.78"
(-19.81mm)
42nd Driest
Driest since:
1972
87th Wettest
Wettest since:
1905
Dec 1973–Apr 1974
5-Month
4.08"
(103.63mm)
5.21"
(132.33mm)
-1.13"
(-28.70mm)
30th Driest
Driest since:
2002
98th Wettest
Wettest since:
1905
Ties: 1928
Nov 1973–Apr 1974
6-Month
4.94"
(125.48mm)
6.10"
(154.94mm)
-1.16"
(-29.46mm)
41st Driest
Driest since:
1904
87th Wettest
Wettest since:
1941
Oct 1973–Apr 1974
7-Month
5.33"
(135.38mm)
7.23"
(183.64mm)
-1.90"
(-48.26mm)
25th Driest
Driest since:
1904
103rd Wettest
Wettest since:
1941
Ties: 1953
Sep 1973–Apr 1974
8-Month
6.27"
(159.26mm)
8.60"
(218.44mm)
-2.33"
(-59.18mm)
16th Driest
Driest since:
2002
112th Wettest
Wettest since:
1941
Aug 1973–Apr 1974
9-Month
7.39"
(187.71mm)
10.61"
(269.49mm)
-3.22"
(-81.78mm)
10th Driest
Driest since:
2021
118th Wettest
Wettest since:
1905
Jul 1973–Apr 1974
10-Month
9.48"
(240.79mm)
12.48"
(316.99mm)
-3.00"
(-76.20mm)
8th Driest
Driest since:
2021
120th Wettest
Wettest since:
1905
Jun 1973–Apr 1974
11-Month
10.37"
(263.40mm)
13.41"
(340.61mm)
-3.04"
(-77.21mm)
11th Driest
Driest since:
2021
117th Wettest
Wettest since:
1905
May 1973–Apr 1974
12-Month
11.71"
(297.43mm)
14.53"
(369.06mm)
-2.82"
(-71.63mm)
16th Driest
Driest since:
2021
112th Wettest
Wettest since:
1942
Nov 1972–Apr 1974
18-Month
19.73"
(501.14mm)
20.64"
(524.26mm)
-0.91"
(-23.12mm)
53rd Driest
Driest since:
2021
74th Wettest
Wettest since:
1942
May 1972–Apr 1974
24-Month
30.70"
(779.78mm)
29.05"
(737.87mm)
1.65"
(41.91mm)
95th Driest
Driest since:
2022
32nd Wettest
Wettest since:
1942
May 1971–Apr 1974
36-Month
43.18"
(1,096.77mm)
43.55"
(1,106.17mm)
-0.37"
(-9.40mm)
63rd Driest
Driest since:
1904
63rd Wettest
Wettest since:
1907
May 1970–Apr 1974
48-Month
55.21"
(1,402.33mm)
58.02"
(1,473.71mm)
-2.81"
(-71.38mm)
43rd Driest
Driest since:
1904
82nd Wettest
Wettest since:
1986
May 1969–Apr 1974
60-Month
70.92"
(1,801.37mm)
72.49"
(1,841.25mm)
-1.57"
(-39.88mm)
58th Driest
Driest since:
1957
66th Wettest
Wettest since:
1987

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