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 1955

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
April 1955
1-Month
0.51"
(12.95mm)
1.06"
(26.92mm)
-0.55"
(-13.97mm)
13th Driest
Driest since:
1989
116th Wettest
Wettest since:
1900
Ties: 1972
Mar–Apr 1955
2-Month
0.84"
(21.34mm)
2.21"
(56.13mm)
-1.37"
(-34.79mm)
2nd Driest
Driest since:
1972
127th Wettest
Wettest since:
1905
Feb–Apr 1955
3-Month
1.69"
(42.93mm)
3.21"
(81.53mm)
-1.52"
(-38.60mm)
6th Driest
Driest since:
1972
123rd Wettest
Wettest since:
1905
Jan–Apr 1955
4-Month
2.86"
(72.64mm)
4.20"
(106.68mm)
-1.34"
(-34.04mm)
18th Driest
Driest since:
1972
111th Wettest
Wettest since:
1905
Ties: 2006
Dec 1954–Apr 1955
5-Month
3.38"
(85.85mm)
5.21"
(132.33mm)
-1.83"
(-46.48mm)
14th Driest
Driest since:
2002
114th Wettest
Wettest since:
1905
Nov 1954–Apr 1955
6-Month
3.85"
(97.79mm)
6.10"
(154.94mm)
-2.25"
(-57.15mm)
9th Driest
Driest since:
1904
119th Wettest
Wettest since:
1941
Oct 1954–Apr 1955
7-Month
4.93"
(125.22mm)
7.23"
(183.64mm)
-2.30"
(-58.42mm)
12th Driest
Driest since:
1904
116th Wettest
Wettest since:
1941
Ties: 1934
Sep 1954–Apr 1955
8-Month
6.43"
(163.32mm)
8.60"
(218.44mm)
-2.17"
(-55.12mm)
22nd Driest
Driest since:
2002
106th Wettest
Wettest since:
1941
Aug 1954–Apr 1955
9-Month
8.21"
(208.53mm)
10.61"
(269.49mm)
-2.40"
(-60.96mm)
18th Driest
Driest since:
2021
110th Wettest
Wettest since:
1905
Ties: 1953
Jul 1954–Apr 1955
10-Month
10.12"
(257.05mm)
12.48"
(316.99mm)
-2.36"
(-59.94mm)
20th Driest
Driest since:
2021
108th Wettest
Wettest since:
1905
Jun 1954–Apr 1955
11-Month
10.71"
(272.03mm)
13.41"
(340.61mm)
-2.70"
(-68.58mm)
17th Driest
Driest since:
2021
111th Wettest
Wettest since:
1905
May 1954–Apr 1955
12-Month
11.82"
(300.23mm)
14.53"
(369.06mm)
-2.71"
(-68.83mm)
17th Driest
Driest since:
2021
111th Wettest
Wettest since:
1942
Nov 1953–Apr 1955
18-Month
16.31"
(414.27mm)
20.64"
(524.26mm)
-4.33"
(-109.99mm)
10th Driest
Driest since:
2021
117th Wettest
Wettest since:
1942
May 1953–Apr 1955
24-Month
22.83"
(579.88mm)
29.05"
(737.87mm)
-6.22"
(-157.99mm)
7th Driest
Driest since:
2022
120th Wettest
Wettest since:
1942
May 1952–Apr 1955
36-Month
34.34"
(872.24mm)
43.55"
(1,106.17mm)
-9.21"
(-233.93mm)
2nd Driest
Driest since:
1904
124th Wettest
Wettest since:
1907
May 1951–Apr 1955
48-Month
50.19"
(1,274.83mm)
58.02"
(1,473.71mm)
-7.83"
(-198.88mm)
11th Driest
Driest since:
1904
114th Wettest
Wettest since:
1986
May 1950–Apr 1955
60-Month
61.57"
(1,563.88mm)
72.49"
(1,841.25mm)
-10.92"
(-277.37mm)
3rd Driest
Driest since:
1957
121st Wettest
Wettest since:
1987

Citing This Page