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 2020

View Period (Months):
Download: csv json xml
  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 2020
1-Month
0.60"
(15.24mm)
2.10"
(53.34mm)
-1.50"
(-38.10mm)
1st Driest
Driest since:
2020
128th Wettest
Wettest since:
1951
Jul–Aug 2020
2-Month
1.31"
(33.27mm)
3.90"
(99.06mm)
-2.59"
(-65.79mm)
1st Driest
Driest since:
2020
128th Wettest
Wettest since:
1921
Jun–Aug 2020
3-Month
1.35"
(34.29mm)
4.19"
(106.43mm)
-2.84"
(-72.14mm)
1st Driest
Driest since:
2020
128th Wettest
Wettest since:
1921
May–Aug 2020
4-Month
1.46"
(37.08mm)
4.53"
(115.06mm)
-3.07"
(-77.98mm)
1st Driest
Driest since:
2020
128th Wettest
Wettest since:
1921
Apr–Aug 2020
5-Month
1.82"
(46.23mm)
5.10"
(129.54mm)
-3.28"
(-83.31mm)
1st Driest
Driest since:
2020
128th Wettest
Wettest since:
1921
Mar–Aug 2020
6-Month
4.20"
(106.68mm)
6.22"
(157.99mm)
-2.02"
(-51.31mm)
13th Driest
Driest since:
2002
116th Wettest
Wettest since:
1992
Feb–Aug 2020
7-Month
5.30"
(134.62mm)
7.36"
(186.94mm)
-2.06"
(-52.32mm)
19th Driest
Driest since:
2002
110th Wettest
Wettest since:
1905
Jan–Aug 2020
8-Month
5.75"
(146.05mm)
8.51"
(216.15mm)
-2.76"
(-70.10mm)
13th Driest
Driest since:
2002
116th Wettest
Wettest since:
1905
Ties: 1960
Dec 2019–Aug 2020
9-Month
7.38"
(187.45mm)
9.69"
(246.13mm)
-2.31"
(-58.68mm)
29th Driest
Driest since:
2002
99th Wettest
Wettest since:
1941
Nov 2019–Aug 2020
10-Month
10.34"
(262.64mm)
10.54"
(267.72mm)
-0.20"
(-5.08mm)
77th Driest
Driest since:
2002
51st Wettest
Wettest since:
1941
Oct 2019–Aug 2020
11-Month
10.36"
(263.14mm)
11.42"
(290.07mm)
-1.06"
(-26.93mm)
61st Driest
Driest since:
2002
67th Wettest
Wettest since:
1941
Sep 2019–Aug 2020
12-Month
12.04"
(305.82mm)
12.61"
(320.29mm)
-0.57"
(-14.47mm)
67th Driest
Driest since:
2002
61st Wettest
Wettest since:
1941
Mar 2019–Aug 2020
18-Month
16.20"
(411.48mm)
18.81"
(477.77mm)
-2.61"
(-66.29mm)
41st Driest
Driest since:
1902
87th Wettest
Wettest since:
1993
Sep 2018–Aug 2020
24-Month
24.93"
(633.22mm)
25.20"
(640.08mm)
-0.27"
(-6.86mm)
72nd Driest
Driest since:
1900
55th Wettest
Wettest since:
1993
Sep 2017–Aug 2020
36-Month
32.90"
(835.66mm)
37.75"
(958.85mm)
-4.85"
(-123.19mm)
30th Driest
Driest since:
1902
96th Wettest
Wettest since:
1907
Sep 2016–Aug 2020
48-Month
46.35"
(1,177.29mm)
50.26"
(1,276.60mm)
-3.91"
(-99.31mm)
40th Driest
Driest since:
1902
85th Wettest
Wettest since:
1908
Sep 2015–Aug 2020
60-Month
58.47"
(1,485.14mm)
62.79"
(1,594.87mm)
-4.32"
(-109.73mm)
47th Driest
Driest since:
1903
77th Wettest
Wettest since:
1909

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