Statewide Rankings

Statewide Data Info
Please note, Degree Days and Palmer Indices are not available for Alaska. Palmer Drought Severity Index (PDSI), Palmer Hydrological Drought Index (PHDI), and Palmer Modified Drought Index (PMDI) are not offered for multiple-month time scales.

Arizona

Precipitation Rankings, April 1920

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 1920
1-Month
0.29"
(7.37mm)
0.57"
(14.48mm)
-0.28"
(-7.11mm)
45th Driest
Driest since:
1989, 1991
84th Wettest
Wettest since:
1926
Ties: 1928, 2003, 2009
Mar–Apr 1920
2-Month
1.76"
(44.70mm)
1.69"
(42.93mm)
0.07"
(1.77mm)
84th Driest
Driest since:
2008
45th Wettest
Wettest since:
1905
Feb–Apr 1920
3-Month
4.47"
(113.54mm)
2.83"
(71.88mm)
1.64"
(41.66mm)
116th Driest
Driest since:
1972
13th Wettest
Wettest since:
1905
Jan–Apr 1920
4-Month
6.44"
(163.58mm)
3.98"
(101.09mm)
2.46"
(62.49mm)
119th Driest
Driest since:
1972
10th Wettest
Wettest since:
1905
Dec 1919–Apr 1920
5-Month
7.01"
(178.05mm)
5.16"
(131.06mm)
1.85"
(46.99mm)
107th Driest
Driest since:
1904
21st Wettest
Wettest since:
1905
Nov 1919–Apr 1920
6-Month
9.48"
(240.79mm)
6.01"
(152.65mm)
3.47"
(88.14mm)
114th Driest
Driest since:
1904
14th Wettest
Wettest since:
1905
Ties: 1995
Oct 1919–Apr 1920
7-Month
10.36"
(263.14mm)
6.89"
(175.01mm)
3.47"
(88.13mm)
117th Driest
Driest since:
1904
11th Wettest
Wettest since:
1941
Sep 1919–Apr 1920
8-Month
12.61"
(320.29mm)
8.08"
(205.23mm)
4.53"
(115.06mm)
120th Driest
Driest since:
2002
8th Wettest
Wettest since:
1941
Aug 1919–Apr 1920
9-Month
14.39"
(365.51mm)
10.16"
(258.06mm)
4.23"
(107.45mm)
117th Driest
Driest since:
2021
11th Wettest
Wettest since:
1941
Jul 1919–Apr 1920
10-Month
18.76"
(476.50mm)
11.97"
(304.04mm)
6.79"
(172.46mm)
124th Driest
Driest since:
2021
4th Wettest
Wettest since:
1941
Jun 1919–Apr 1920
11-Month
18.94"
(481.08mm)
12.25"
(311.15mm)
6.69"
(169.93mm)
124th Driest
Driest since:
2021
4th Wettest
Wettest since:
1941
May 1919–Apr 1920
12-Month
19.56"
(496.82mm)
12.59"
(319.79mm)
6.97"
(177.03mm)
124th Driest
Driest since:
2021
4th Wettest
Wettest since:
1941
Nov 1918–Apr 1920
18-Month
25.98"
(659.89mm)
18.61"
(472.69mm)
7.37"
(187.20mm)
120th Driest
Driest since:
1903
7th Wettest
Wettest since:
1993
May 1918–Apr 1920
24-Month
32.01"
(813.05mm)
25.16"
(639.06mm)
6.85"
(173.99mm)
118th Driest
Driest since:
1904
9th Wettest
Wettest since:
1906
May 1917–Apr 1920
36-Month
42.86"
(1,088.64mm)
37.71"
(957.83mm)
5.15"
(130.81mm)
106th Driest
Driest since:
1904
20th Wettest
Wettest since:
1907
May 1916–Apr 1920
48-Month
56.46"
(1,434.08mm)
50.22"
(1,275.59mm)
6.24"
(158.49mm)
105th Driest
Driest since:
1904
20th Wettest
Wettest since:
1908
May 1915–Apr 1920
60-Month
71.51"
(1,816.35mm)
62.77"
(1,594.36mm)
8.74"
(221.99mm)
112th Driest
Driest since:
1904
12th Wettest
Wettest since:
1909

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