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 1937

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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 1937
1-Month
1.61"
(40.89mm)
1.80"
(45.72mm)
-0.19"
(-4.83mm)
53rd Driest
Driest since:
1993
76th Wettest
Wettest since:
1919
Ties: 1961, 1970, 1988
Jun–Jul 1937
2-Month
2.05"
(52.07mm)
2.09"
(53.09mm)
-0.04"
(-1.02mm)
62nd Driest
Driest since:
1993
67th Wettest
Wettest since:
1919
Ties: 2010
May–Jul 1937
3-Month
2.35"
(59.69mm)
2.43"
(61.72mm)
-0.08"
(-2.03mm)
69th Driest
Driest since:
1963, 2020
60th Wettest
Wettest since:
1919
Ties: 1926
Apr–Jul 1937
4-Month
2.49"
(63.25mm)
3.00"
(76.20mm)
-0.51"
(-12.95mm)
45th Driest
Driest since:
1993
84th Wettest
Wettest since:
1919
Ties: 1924
Mar–Jul 1937
5-Month
4.22"
(107.19mm)
4.12"
(104.65mm)
0.10"
(2.54mm)
78th Driest
Driest since:
2002
51st Wettest
Wettest since:
1912
Ties: 1896
Feb–Jul 1937
6-Month
5.56"
(141.22mm)
5.26"
(133.60mm)
0.30"
(7.62mm)
90th Driest
Driest since:
2002
39th Wettest
Wettest since:
1905
Jan–Jul 1937
7-Month
7.10"
(180.34mm)
6.41"
(162.81mm)
0.69"
(17.53mm)
87th Driest
Driest since:
2002
42nd Wettest
Wettest since:
1905
Dec 1936–Jul 1937
8-Month
9.11"
(231.39mm)
7.59"
(192.79mm)
1.52"
(38.60mm)
98th Driest
Driest since:
2002
30th Wettest
Wettest since:
1905
Nov 1936–Jul 1937
9-Month
9.82"
(249.43mm)
8.44"
(214.38mm)
1.38"
(35.05mm)
97th Driest
Driest since:
2002
31st Wettest
Wettest since:
1941
Oct 1936–Jul 1937
10-Month
10.71"
(272.03mm)
9.31"
(236.47mm)
1.40"
(35.56mm)
97th Driest
Driest since:
2002
31st Wettest
Wettest since:
1941
Ties: 2017
Sep 1936–Jul 1937
11-Month
12.02"
(305.31mm)
10.51"
(266.95mm)
1.51"
(38.36mm)
94th Driest
Driest since:
2002
34th Wettest
Wettest since:
1941
Aug 1936–Jul 1937
12-Month
14.06"
(357.12mm)
12.59"
(319.79mm)
1.47"
(37.33mm)
97th Driest
Driest since:
2002
31st Wettest
Wettest since:
1941
Ties: 1966
Feb 1936–Jul 1937
18-Month
19.29"
(489.97mm)
17.86"
(453.64mm)
1.43"
(36.33mm)
92nd Driest
Driest since:
1900
36th Wettest
Wettest since:
1993
Aug 1935–Jul 1937
24-Month
26.68"
(677.67mm)
25.18"
(639.57mm)
1.50"
(38.10mm)
91st Driest
Driest since:
1900
36th Wettest
Wettest since:
1906
Aug 1934–Jul 1937
36-Month
40.29"
(1,023.37mm)
37.73"
(958.34mm)
2.56"
(65.03mm)
91st Driest
Driest since:
1904
35th Wettest
Wettest since:
1907
Aug 1933–Jul 1937
48-Month
49.69"
(1,262.13mm)
50.23"
(1,275.84mm)
-0.54"
(-13.71mm)
73rd Driest
Driest since:
1902
52nd Wettest
Wettest since:
1908
Aug 1932–Jul 1937
60-Month
60.62"
(1,539.75mm)
62.77"
(1,594.36mm)
-2.15"
(-54.61mm)
61st Driest
Driest since:
1904
63rd Wettest
Wettest since:
1909

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