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, July 2018

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
July 2018
1-Month
2.59"
(65.79mm)
1.80"
(45.72mm)
0.79"
(20.07mm)
109th Driest
Driest since:
1993
20th Wettest
Wettest since:
1919
Jun–Jul 2018
2-Month
2.92"
(74.17mm)
2.09"
(53.09mm)
0.83"
(21.08mm)
109th Driest
Driest since:
1993
20th Wettest
Wettest since:
1919
May–Jul 2018
3-Month
3.07"
(77.98mm)
2.43"
(61.72mm)
0.64"
(16.26mm)
103rd Driest
Driest since:
1963, 2020
26th Wettest
Wettest since:
1919
Apr–Jul 2018
4-Month
3.11"
(78.99mm)
3.00"
(76.20mm)
0.11"
(2.79mm)
80th Driest
Driest since:
1993
49th Wettest
Wettest since:
1919
Ties: 1923
Mar–Jul 2018
5-Month
3.55"
(90.17mm)
4.12"
(104.65mm)
-0.57"
(-14.48mm)
50th Driest
Driest since:
2002
79th Wettest
Wettest since:
1912
Ties: 1946
Feb–Jul 2018
6-Month
4.62"
(117.35mm)
5.26"
(133.60mm)
-0.64"
(-16.25mm)
55th Driest
Driest since:
2002
74th Wettest
Wettest since:
1905
Jan–Jul 2018
7-Month
5.18"
(131.57mm)
6.41"
(162.81mm)
-1.23"
(-31.24mm)
47th Driest
Driest since:
2002
82nd Wettest
Wettest since:
1905
Dec 2017–Jul 2018
8-Month
5.31"
(134.87mm)
7.59"
(192.79mm)
-2.28"
(-57.92mm)
23rd Driest
Driest since:
2002
105th Wettest
Wettest since:
1905
Nov 2017–Jul 2018
9-Month
5.33"
(135.38mm)
8.44"
(214.38mm)
-3.11"
(-79.00mm)
15th Driest
Driest since:
2002
113th Wettest
Wettest since:
1941
Oct 2017–Jul 2018
10-Month
5.36"
(136.14mm)
9.31"
(236.47mm)
-3.95"
(-100.33mm)
9th Driest
Driest since:
2002
119th Wettest
Wettest since:
1941
Sep 2017–Jul 2018
11-Month
5.97"
(151.64mm)
10.51"
(266.95mm)
-4.54"
(-115.31mm)
7th Driest
Driest since:
2002
121st Wettest
Wettest since:
1941
Aug 2017–Jul 2018
12-Month
7.36"
(186.94mm)
12.59"
(319.79mm)
-5.23"
(-132.85mm)
5th Driest
Driest since:
2002
123rd Wettest
Wettest since:
1941
Feb 2017–Jul 2018
18-Month
12.58"
(319.53mm)
17.86"
(453.64mm)
-5.28"
(-134.11mm)
9th Driest
Driest since:
1900
119th Wettest
Wettest since:
1993
Aug 2016–Jul 2018
24-Month
21.99"
(558.55mm)
25.18"
(639.57mm)
-3.19"
(-81.02mm)
41st Driest
Driest since:
1900
86th Wettest
Wettest since:
1906
Aug 2015–Jul 2018
36-Month
33.64"
(854.46mm)
37.73"
(958.34mm)
-4.09"
(-103.88mm)
34th Driest
Driest since:
1904
92nd Wettest
Wettest since:
1907
Aug 2014–Jul 2018
48-Month
49.12"
(1,247.65mm)
50.23"
(1,275.84mm)
-1.11"
(-28.19mm)
68th Driest
Driest since:
1902
57th Wettest
Wettest since:
1908
Aug 2013–Jul 2018
60-Month
59.17"
(1,502.92mm)
62.77"
(1,594.36mm)
-3.60"
(-91.44mm)
51st Driest
Driest since:
1904
73rd Wettest
Wettest since:
1909

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