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 2015

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
April 2015
1-Month
0.42"
(10.67mm)
0.57"
(14.48mm)
-0.15"
(-3.81mm)
71st Driest
Driest since:
1989, 1991
59th Wettest
Wettest since:
1926
Ties: 1943
Mar–Apr 2015
2-Month
1.54"
(39.12mm)
1.69"
(42.93mm)
-0.15"
(-3.81mm)
72nd Driest
Driest since:
2008
58th Wettest
Wettest since:
1905
Feb–Apr 2015
3-Month
2.18"
(55.37mm)
2.83"
(71.88mm)
-0.65"
(-16.51mm)
54th Driest
Driest since:
1972
76th Wettest
Wettest since:
1905
Jan–Apr 2015
4-Month
3.97"
(100.84mm)
3.98"
(101.09mm)
-0.01"
(-0.25mm)
78th Driest
Driest since:
1972
52nd Wettest
Wettest since:
1905
Dec 2014–Apr 2015
5-Month
5.44"
(138.18mm)
5.16"
(131.06mm)
0.28"
(7.12mm)
84th Driest
Driest since:
1904
45th Wettest
Wettest since:
1905
Nov 2014–Apr 2015
6-Month
5.55"
(140.97mm)
6.01"
(152.65mm)
-0.46"
(-11.68mm)
68th Driest
Driest since:
1904
61st Wettest
Wettest since:
1905
Oct 2014–Apr 2015
7-Month
6.15"
(156.21mm)
6.89"
(175.01mm)
-0.74"
(-18.80mm)
64th Driest
Driest since:
1904
65th Wettest
Wettest since:
1941
Sep 2014–Apr 2015
8-Month
8.64"
(219.46mm)
8.08"
(205.23mm)
0.56"
(14.23mm)
82nd Driest
Driest since:
2002
47th Wettest
Wettest since:
1941
Ties: 1908
Aug 2014–Apr 2015
9-Month
11.77"
(298.96mm)
10.16"
(258.06mm)
1.61"
(40.90mm)
97th Driest
Driest since:
2021
32nd Wettest
Wettest since:
1941
Jul 2014–Apr 2015
10-Month
13.63"
(346.20mm)
11.97"
(304.04mm)
1.66"
(42.16mm)
93rd Driest
Driest since:
2021
36th Wettest
Wettest since:
1941
Jun 2014–Apr 2015
11-Month
13.64"
(346.46mm)
12.25"
(311.15mm)
1.39"
(35.31mm)
92nd Driest
Driest since:
2021
37th Wettest
Wettest since:
1941
May 2014–Apr 2015
12-Month
13.71"
(348.23mm)
12.59"
(319.79mm)
1.12"
(28.44mm)
87th Driest
Driest since:
2021
42nd Wettest
Wettest since:
1941
Nov 2013–Apr 2015
18-Month
17.34"
(440.44mm)
18.61"
(472.69mm)
-1.27"
(-32.25mm)
64th Driest
Driest since:
1903
64th Wettest
Wettest since:
1993
May 2013–Apr 2015
24-Month
24.59"
(624.59mm)
25.16"
(639.06mm)
-0.57"
(-14.47mm)
68th Driest
Driest since:
1904
60th Wettest
Wettest since:
1906
May 2012–Apr 2015
36-Month
35.03"
(889.76mm)
37.71"
(957.83mm)
-2.68"
(-68.07mm)
53rd Driest
Driest since:
1904
74th Wettest
Wettest since:
1907
May 2011–Apr 2015
48-Month
44.52"
(1,130.81mm)
50.22"
(1,275.59mm)
-5.70"
(-144.78mm)
31st Driest
Driest since:
1904
95th Wettest
Wettest since:
1908
May 2010–Apr 2015
60-Month
54.12"
(1,374.65mm)
62.77"
(1,594.36mm)
-8.65"
(-219.71mm)
22nd Driest
Driest since:
1904
103rd Wettest
Wettest since:
1909

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