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 2021

View Period (Months):
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  • Record Driest
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  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
April 2021
1-Month
0.19"
(4.83mm)
0.57"
(14.48mm)
-0.38"
(-9.65mm)
30th Driest
Driest since:
1989, 1991
99th Wettest
Wettest since:
1926
Ties: 1909, 1961, 2017
Mar–Apr 2021
2-Month
0.92"
(23.37mm)
1.69"
(42.93mm)
-0.77"
(-19.56mm)
36th Driest
Driest since:
2008
93rd Wettest
Wettest since:
1905
Ties: 1896
Feb–Apr 2021
3-Month
1.15"
(29.21mm)
2.83"
(71.88mm)
-1.68"
(-42.67mm)
19th Driest
Driest since:
1972
110th Wettest
Wettest since:
1905
Ties: 1910
Jan–Apr 2021
4-Month
2.46"
(62.48mm)
3.98"
(101.09mm)
-1.52"
(-38.61mm)
33rd Driest
Driest since:
1972
96th Wettest
Wettest since:
1905
Dec 2020–Apr 2021
5-Month
2.75"
(69.85mm)
5.16"
(131.06mm)
-2.41"
(-61.21mm)
19th Driest
Driest since:
1904
109th Wettest
Wettest since:
1905
Ties: 2000
Nov 2020–Apr 2021
6-Month
3.02"
(76.71mm)
6.01"
(152.65mm)
-2.99"
(-75.94mm)
15th Driest
Driest since:
1904
113th Wettest
Wettest since:
1905
Oct 2020–Apr 2021
7-Month
3.16"
(80.26mm)
6.89"
(175.01mm)
-3.73"
(-94.75mm)
9th Driest
Driest since:
1904
119th Wettest
Wettest since:
1941
Sep 2020–Apr 2021
8-Month
3.27"
(83.06mm)
8.08"
(205.23mm)
-4.81"
(-122.17mm)
6th Driest
Driest since:
2002
122nd Wettest
Wettest since:
1941
Aug 2020–Apr 2021
9-Month
3.87"
(98.30mm)
10.16"
(258.06mm)
-6.29"
(-159.76mm)
1st Driest
Driest since:
2021
127th Wettest
Wettest since:
1941
Jul 2020–Apr 2021
10-Month
4.58"
(116.33mm)
11.97"
(304.04mm)
-7.39"
(-187.71mm)
1st Driest
Driest since:
2021
127th Wettest
Wettest since:
1941
Jun 2020–Apr 2021
11-Month
4.62"
(117.35mm)
12.25"
(311.15mm)
-7.63"
(-193.80mm)
1st Driest
Driest since:
2021
127th Wettest
Wettest since:
1941
May 2020–Apr 2021
12-Month
4.73"
(120.14mm)
12.59"
(319.79mm)
-7.86"
(-199.65mm)
1st Driest
Driest since:
2021
127th Wettest
Wettest since:
1941
Nov 2019–Apr 2021
18-Month
13.61"
(345.69mm)
18.61"
(472.69mm)
-5.00"
(-127.00mm)
17th Driest
Driest since:
1903
110th Wettest
Wettest since:
1993
May 2019–Apr 2021
24-Month
17.95"
(455.93mm)
25.16"
(639.06mm)
-7.21"
(-183.13mm)
9th Driest
Driest since:
1904
118th Wettest
Wettest since:
1906
May 2018–Apr 2021
36-Month
33.27"
(845.06mm)
37.71"
(957.83mm)
-4.44"
(-112.77mm)
35th Driest
Driest since:
1904
91st Wettest
Wettest since:
1907
May 2017–Apr 2021
48-Month
40.92"
(1,039.37mm)
50.22"
(1,275.59mm)
-9.30"
(-236.22mm)
11th Driest
Driest since:
1904
114th Wettest
Wettest since:
1908
May 2016–Apr 2021
60-Month
54.53"
(1,385.06mm)
62.77"
(1,594.36mm)
-8.24"
(-209.30mm)
24th Driest
Driest since:
1904
100th Wettest
Wettest since:
1909

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