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 1981

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
May 1981
1-Month
0.62"
(15.75mm)
0.34"
(8.64mm)
0.28"
(7.11mm)
109th Driest
Driest since:
2022
20th Wettest
Wettest since:
1992
Ties: 1919, 1928
Apr–May 1981
2-Month
1.10"
(27.94mm)
0.91"
(23.11mm)
0.19"
(4.83mm)
95th Driest
Driest since:
2022
34th Wettest
Wettest since:
1926
Ties: 1940
Mar–May 1981
3-Month
3.15"
(80.01mm)
2.02"
(51.31mm)
1.13"
(28.70mm)
114th Driest
Driest since:
1972
15th Wettest
Wettest since:
1905
Feb–May 1981
4-Month
3.91"
(99.31mm)
3.17"
(80.52mm)
0.74"
(18.79mm)
97th Driest
Driest since:
1972
32nd Wettest
Wettest since:
1905
Jan–May 1981
5-Month
4.63"
(117.60mm)
4.31"
(109.47mm)
0.32"
(8.13mm)
86th Driest
Driest since:
1972
43rd Wettest
Wettest since:
1905
Dec 1980–May 1981
6-Month
5.00"
(127.00mm)
5.50"
(139.70mm)
-0.50"
(-12.70mm)
65th Driest
Driest since:
2002
63rd Wettest
Wettest since:
1905
Nov 1980–May 1981
7-Month
5.08"
(129.03mm)
6.35"
(161.29mm)
-1.27"
(-32.26mm)
51st Driest
Driest since:
1904
77th Wettest
Wettest since:
1941
Oct 1980–May 1981
8-Month
5.53"
(140.46mm)
7.22"
(183.39mm)
-1.69"
(-42.93mm)
46th Driest
Driest since:
1904
82nd Wettest
Wettest since:
1941
Sep 1980–May 1981
9-Month
6.39"
(162.31mm)
8.41"
(213.61mm)
-2.02"
(-51.30mm)
40th Driest
Driest since:
2002
88th Wettest
Wettest since:
1941
Aug 1980–May 1981
10-Month
7.90"
(200.66mm)
10.50"
(266.70mm)
-2.60"
(-66.04mm)
33rd Driest
Driest since:
2021
95th Wettest
Wettest since:
1941
Jul 1980–May 1981
11-Month
9.30"
(236.22mm)
12.30"
(312.42mm)
-3.00"
(-76.20mm)
25th Driest
Driest since:
2021
103rd Wettest
Wettest since:
1941
Jun 1980–May 1981
12-Month
9.40"
(238.76mm)
12.59"
(319.79mm)
-3.19"
(-81.03mm)
23rd Driest
Driest since:
2021
105th Wettest
Wettest since:
1941
Dec 1979–May 1981
18-Month
18.89"
(479.81mm)
18.09"
(459.49mm)
0.80"
(20.32mm)
86th Driest
Driest since:
2021
41st Wettest
Wettest since:
1993
Jun 1979–May 1981
24-Month
23.41"
(594.61mm)
25.16"
(639.06mm)
-1.75"
(-44.45mm)
57th Driest
Driest since:
2022
70th Wettest
Wettest since:
1993
Jun 1978–May 1981
36-Month
41.40"
(1,051.56mm)
37.71"
(957.83mm)
3.69"
(93.73mm)
101st Driest
Driest since:
1904
25th Wettest
Wettest since:
1907
Jun 1977–May 1981
48-Month
58.41"
(1,483.61mm)
50.21"
(1,275.33mm)
8.20"
(208.28mm)
111th Driest
Driest since:
1904
14th Wettest
Wettest since:
1908
Jun 1976–May 1981
60-Month
68.28"
(1,734.31mm)
62.76"
(1,594.10mm)
5.52"
(140.21mm)
96th Driest
Driest since:
1904
28th Wettest
Wettest since:
1909

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