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 2018

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 2018
1-Month
2.00"
(50.80mm)
2.10"
(53.34mm)
-0.10"
(-2.54mm)
66th Driest
Driest since:
2020
63rd Wettest
Wettest since:
1951
Ties: 1969
Jul–Aug 2018
2-Month
4.59"
(116.59mm)
3.90"
(99.06mm)
0.69"
(17.53mm)
94th Driest
Driest since:
2020
35th Wettest
Wettest since:
1921
Ties: 1930
Jun–Aug 2018
3-Month
4.92"
(124.97mm)
4.19"
(106.43mm)
0.73"
(18.54mm)
99th Driest
Driest since:
2020
30th Wettest
Wettest since:
1921
Ties: 1953
May–Aug 2018
4-Month
5.07"
(128.78mm)
4.53"
(115.06mm)
0.54"
(13.72mm)
92nd Driest
Driest since:
2020
37th Wettest
Wettest since:
1921
Ties: 2014
Apr–Aug 2018
5-Month
5.11"
(129.79mm)
5.10"
(129.54mm)
0.01"
(0.25mm)
67th Driest
Driest since:
2020
62nd Wettest
Wettest since:
1921
Mar–Aug 2018
6-Month
5.55"
(140.97mm)
6.22"
(157.99mm)
-0.67"
(-17.02mm)
50th Driest
Driest since:
2002
79th Wettest
Wettest since:
1992
Ties: 1980
Feb–Aug 2018
7-Month
6.62"
(168.15mm)
7.36"
(186.94mm)
-0.74"
(-18.79mm)
50th Driest
Driest since:
2002
79th Wettest
Wettest since:
1905
Jan–Aug 2018
8-Month
7.18"
(182.37mm)
8.51"
(216.15mm)
-1.33"
(-33.78mm)
41st Driest
Driest since:
2002
88th Wettest
Wettest since:
1905
Dec 2017–Aug 2018
9-Month
7.31"
(185.67mm)
9.69"
(246.13mm)
-2.38"
(-60.46mm)
25th Driest
Driest since:
2002
103rd Wettest
Wettest since:
1941
Nov 2017–Aug 2018
10-Month
7.33"
(186.18mm)
10.54"
(267.72mm)
-3.21"
(-81.54mm)
12th Driest
Driest since:
2002
116th Wettest
Wettest since:
1941
Oct 2017–Aug 2018
11-Month
7.36"
(186.94mm)
11.42"
(290.07mm)
-4.06"
(-103.13mm)
8th Driest
Driest since:
2002
120th Wettest
Wettest since:
1941
Sep 2017–Aug 2018
12-Month
7.97"
(202.44mm)
12.61"
(320.29mm)
-4.64"
(-117.85mm)
8th Driest
Driest since:
2002
120th Wettest
Wettest since:
1941
Mar 2017–Aug 2018
18-Month
13.32"
(338.33mm)
18.81"
(477.77mm)
-5.49"
(-139.44mm)
5th Driest
Driest since:
1902
123rd Wettest
Wettest since:
1993
Sep 2016–Aug 2018
24-Month
21.42"
(544.07mm)
25.20"
(640.08mm)
-3.78"
(-96.01mm)
30th Driest
Driest since:
1900
97th Wettest
Wettest since:
1993
Ties: 1934
Sep 2015–Aug 2018
36-Month
33.54"
(851.92mm)
37.75"
(958.85mm)
-4.21"
(-106.93mm)
39th Driest
Driest since:
1902
87th Wettest
Wettest since:
1907
Sep 2014–Aug 2018
48-Month
47.99"
(1,218.95mm)
50.26"
(1,276.60mm)
-2.27"
(-57.65mm)
60th Driest
Driest since:
1902
65th Wettest
Wettest since:
1908
Sep 2013–Aug 2018
60-Month
58.78"
(1,493.01mm)
62.79"
(1,594.87mm)
-4.01"
(-101.86mm)
50th Driest
Driest since:
1903
74th Wettest
Wettest since:
1909

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