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, August 1921

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
August 1921
1-Month
3.38"
(85.85mm)
2.10"
(53.34mm)
1.28"
(32.51mm)
120th Driest
Driest since:
2020
9th Wettest
Wettest since:
1951
Ties: 1935
Jul–Aug 1921
2-Month
7.04"
(178.82mm)
3.90"
(99.06mm)
3.14"
(79.76mm)
128th Driest
Driest since:
2020
1st Wettest
Wettest to Date
1921
Jun–Aug 1921
3-Month
7.37"
(187.20mm)
4.19"
(106.43mm)
3.18"
(80.77mm)
128th Driest
Driest since:
2020
1st Wettest
Wettest to Date
1921
May–Aug 1921
4-Month
7.78"
(197.61mm)
4.53"
(115.06mm)
3.25"
(82.55mm)
128th Driest
Driest since:
2020
1st Wettest
Wettest to Date
1921
Apr–Aug 1921
5-Month
8.11"
(205.99mm)
5.10"
(129.54mm)
3.01"
(76.45mm)
128th Driest
Driest since:
2020
1st Wettest
Wettest to Date
1921
Mar–Aug 1921
6-Month
8.58"
(217.93mm)
6.22"
(157.99mm)
2.36"
(59.94mm)
124th Driest
Driest since:
2002
5th Wettest
Wettest since:
1992
Feb–Aug 1921
7-Month
8.91"
(226.31mm)
7.37"
(187.20mm)
1.54"
(39.11mm)
112th Driest
Driest since:
2002
17th Wettest
Wettest since:
1905
Ties: 1988
Jan–Aug 1921
8-Month
9.80"
(248.92mm)
8.51"
(216.15mm)
1.29"
(32.77mm)
95th Driest
Driest since:
2002
34th Wettest
Wettest since:
1905
Dec 1920–Aug 1921
9-Month
10.01"
(254.25mm)
9.69"
(246.13mm)
0.32"
(8.12mm)
82nd Driest
Driest since:
2002
46th Wettest
Wettest since:
1941
Ties: 1914
Nov 1920–Aug 1921
10-Month
10.19"
(258.83mm)
10.54"
(267.72mm)
-0.35"
(-8.89mm)
75th Driest
Driest since:
2002
53rd Wettest
Wettest since:
1941
Oct 1920–Aug 1921
11-Month
11.58"
(294.13mm)
11.42"
(290.07mm)
0.16"
(4.06mm)
79th Driest
Driest since:
2002
49th Wettest
Wettest since:
1941
Sep 1920–Aug 1921
12-Month
12.41"
(315.21mm)
12.61"
(320.29mm)
-0.20"
(-5.08mm)
74th Driest
Driest since:
2002
54th Wettest
Wettest since:
1941
Mar 1920–Aug 1921
18-Month
17.95"
(455.93mm)
18.81"
(477.77mm)
-0.86"
(-21.84mm)
66th Driest
Driest since:
1902
62nd Wettest
Wettest since:
1993
Sep 1919–Aug 1921
24-Month
28.80"
(731.52mm)
25.20"
(640.08mm)
3.60"
(91.44mm)
107th Driest
Driest since:
1900
20th Wettest
Wettest since:
1993
Sep 1918–Aug 1921
36-Month
43.30"
(1,099.82mm)
37.75"
(958.85mm)
5.55"
(140.97mm)
108th Driest
Driest since:
1902
18th Wettest
Wettest since:
1907
Sep 1917–Aug 1921
48-Month
53.87"
(1,368.30mm)
50.26"
(1,276.60mm)
3.61"
(91.70mm)
92nd Driest
Driest since:
1902
33rd Wettest
Wettest since:
1908
Sep 1916–Aug 1921
60-Month
68.04"
(1,728.22mm)
62.79"
(1,594.87mm)
5.25"
(133.35mm)
95th Driest
Driest since:
1903
29th Wettest
Wettest since:
1909

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