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 1979

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
April 1979
1-Month
0.18"
(4.57mm)
0.57"
(14.48mm)
-0.39"
(-9.91mm)
27th Driest
Driest since:
1989, 1991
102nd Wettest
Wettest since:
1926
Ties: 1945, 2002
Mar–Apr 1979
2-Month
2.21"
(56.13mm)
1.69"
(42.93mm)
0.52"
(13.20mm)
105th Driest
Driest since:
2008
24th Wettest
Wettest since:
1905
Ties: 1924
Feb–Apr 1979
3-Month
2.93"
(74.42mm)
2.83"
(71.88mm)
0.10"
(2.54mm)
82nd Driest
Driest since:
1972
47th Wettest
Wettest since:
1905
Ties: 1919
Jan–Apr 1979
4-Month
5.97"
(151.64mm)
3.98"
(101.09mm)
1.99"
(50.55mm)
112th Driest
Driest since:
1972
17th Wettest
Wettest since:
1905
Dec 1978–Apr 1979
5-Month
9.02"
(229.11mm)
5.16"
(131.06mm)
3.86"
(98.05mm)
120th Driest
Driest since:
1904
8th Wettest
Wettest since:
1905
Nov 1978–Apr 1979
6-Month
12.16"
(308.86mm)
6.01"
(152.65mm)
6.15"
(156.21mm)
124th Driest
Driest since:
1904
4th Wettest
Wettest since:
1905
Oct 1978–Apr 1979
7-Month
13.70"
(347.98mm)
6.89"
(175.01mm)
6.81"
(172.97mm)
124th Driest
Driest since:
1904
4th Wettest
Wettest since:
1941
Sep 1978–Apr 1979
8-Month
14.37"
(365.00mm)
8.08"
(205.23mm)
6.29"
(159.77mm)
123rd Driest
Driest since:
2002
5th Wettest
Wettest since:
1941
Aug 1978–Apr 1979
9-Month
15.68"
(398.27mm)
10.16"
(258.06mm)
5.52"
(140.21mm)
122nd Driest
Driest since:
2021
6th Wettest
Wettest since:
1941
Jul 1978–Apr 1979
10-Month
16.82"
(427.23mm)
11.97"
(304.04mm)
4.85"
(123.19mm)
119th Driest
Driest since:
2021
9th Wettest
Wettest since:
1941
Jun 1978–Apr 1979
11-Month
16.95"
(430.53mm)
12.25"
(311.15mm)
4.70"
(119.38mm)
119th Driest
Driest since:
2021
9th Wettest
Wettest since:
1941
May 1978–Apr 1979
12-Month
17.46"
(443.48mm)
12.59"
(319.79mm)
4.87"
(123.69mm)
119th Driest
Driest since:
2021
9th Wettest
Wettest since:
1941
Nov 1977–Apr 1979
18-Month
27.33"
(694.18mm)
18.61"
(472.69mm)
8.72"
(221.49mm)
123rd Driest
Driest since:
1903
4th Wettest
Wettest since:
1993
May 1977–Apr 1979
24-Month
34.37"
(873.00mm)
25.16"
(639.06mm)
9.21"
(233.94mm)
123rd Driest
Driest since:
1904
4th Wettest
Wettest since:
1906
May 1976–Apr 1979
36-Month
44.70"
(1,135.38mm)
37.71"
(957.83mm)
6.99"
(177.55mm)
111th Driest
Driest since:
1904
15th Wettest
Wettest since:
1907
May 1975–Apr 1979
48-Month
54.92"
(1,394.97mm)
50.22"
(1,275.59mm)
4.70"
(119.38mm)
101st Driest
Driest since:
1904
24th Wettest
Wettest since:
1908
May 1974–Apr 1979
60-Month
66.62"
(1,692.15mm)
62.77"
(1,594.36mm)
3.85"
(97.79mm)
89th Driest
Driest since:
1904
35th Wettest
Wettest since:
1909

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