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, May 1921

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
May 1921
1-Month
0.41"
(10.41mm)
0.34"
(8.64mm)
0.07"
(1.77mm)
92nd Driest
Driest since:
2022
37th Wettest
Wettest since:
1992
Ties: 1977, 1993, 2017
Apr–May 1921
2-Month
0.74"
(18.80mm)
0.91"
(23.11mm)
-0.17"
(-4.31mm)
66th Driest
Driest since:
2022
63rd Wettest
Wettest since:
1926
Mar–May 1921
3-Month
1.21"
(30.73mm)
2.02"
(51.31mm)
-0.81"
(-20.58mm)
40th Driest
Driest since:
1972
89th Wettest
Wettest since:
1905
Ties: 2014
Feb–May 1921
4-Month
1.54"
(39.12mm)
3.17"
(80.52mm)
-1.63"
(-41.40mm)
24th Driest
Driest since:
1972
105th Wettest
Wettest since:
1905
Jan–May 1921
5-Month
2.43"
(61.72mm)
4.31"
(109.47mm)
-1.88"
(-47.75mm)
25th Driest
Driest since:
1972
104th Wettest
Wettest since:
1905
Dec 1920–May 1921
6-Month
2.64"
(67.06mm)
5.50"
(139.70mm)
-2.86"
(-72.64mm)
15th Driest
Driest since:
2002
113th Wettest
Wettest since:
1905
Ties: 1956
Nov 1920–May 1921
7-Month
2.82"
(71.63mm)
6.35"
(161.29mm)
-3.53"
(-89.66mm)
11th Driest
Driest since:
1904
117th Wettest
Wettest since:
1941
Oct 1920–May 1921
8-Month
4.21"
(106.93mm)
7.22"
(183.39mm)
-3.01"
(-76.46mm)
18th Driest
Driest since:
1904
110th Wettest
Wettest since:
1941
Sep 1920–May 1921
9-Month
5.04"
(128.02mm)
8.41"
(213.61mm)
-3.37"
(-85.59mm)
14th Driest
Driest since:
2002
114th Wettest
Wettest since:
1941
Aug 1920–May 1921
10-Month
6.90"
(175.26mm)
10.50"
(266.70mm)
-3.60"
(-91.44mm)
14th Driest
Driest since:
2021
114th Wettest
Wettest since:
1941
Jul 1920–May 1921
11-Month
7.85"
(199.39mm)
12.30"
(312.42mm)
-4.45"
(-113.03mm)
9th Driest
Driest since:
2021
119th Wettest
Wettest since:
1941
Jun 1920–May 1921
12-Month
8.38"
(212.85mm)
12.59"
(319.79mm)
-4.21"
(-106.94mm)
10th Driest
Driest since:
2021
118th Wettest
Wettest since:
1941
Dec 1919–May 1921
18-Month
15.83"
(402.08mm)
18.09"
(459.49mm)
-2.26"
(-57.41mm)
47th Driest
Driest since:
2021
80th Wettest
Wettest since:
1993
Jun 1919–May 1921
24-Month
27.76"
(705.10mm)
25.16"
(639.06mm)
2.60"
(66.04mm)
101st Driest
Driest since:
2022
26th Wettest
Wettest since:
1993
Jun 1918–May 1921
36-Month
40.74"
(1,034.80mm)
37.71"
(957.83mm)
3.03"
(76.97mm)
99th Driest
Driest since:
1904
27th Wettest
Wettest since:
1907
Jun 1917–May 1921
48-Month
50.80"
(1,290.32mm)
50.21"
(1,275.33mm)
0.59"
(14.99mm)
79th Driest
Driest since:
1904
46th Wettest
Wettest since:
1908
Jun 1916–May 1921
60-Month
65.07"
(1,652.78mm)
62.76"
(1,594.10mm)
2.31"
(58.68mm)
84th Driest
Driest since:
1904
40th Wettest
Wettest since:
1909

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