Divisional Rankings

Divisional 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.

Iowa, Climate Division 9. Southeast

Precipitation Rankings, May 2021

View Period (Months):
Download: CSV JSON XML
  • Record Driest
  • Bottom ⅒
  • Bottom ⅓
  • Normal
  • Top ⅓
  • Top ⅒
  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2022)
Wettest/Driest
Since
Record
May 2021
1-Month
5.37"
(136.40mm)
4.04"
(102.62mm)
1.33"
(33.78mm)
97th Driest
Driest since:
1992
32nd Wettest
Wettest since:
1996
Ties: 1993
Apr–May 2021
2-Month
8.49"
(215.65mm)
7.38"
(187.45mm)
1.11"
(28.20mm)
79th Driest
Driest since:
1956
50th Wettest
Wettest since:
2013
Mar–May 2021
3-Month
11.46"
(291.08mm)
9.74"
(247.40mm)
1.72"
(43.68mm)
90th Driest
Driest since:
1956
39th Wettest
Wettest since:
1973
Feb–May 2021
4-Month
12.37"
(314.20mm)
10.97"
(278.64mm)
1.40"
(35.56mm)
85th Driest
Driest since:
1956
44th Wettest
Wettest since:
1973
Jan–May 2021
5-Month
14.42"
(366.27mm)
12.29"
(312.17mm)
2.13"
(54.10mm)
99th Driest
Driest since:
1956
30th Wettest
Wettest since:
1973
Dec 2020–May 2021
6-Month
16.56"
(420.62mm)
13.78"
(350.01mm)
2.78"
(70.61mm)
102nd Driest
Driest since:
1956
26th Wettest
Wettest since:
1973
Nov 2020–May 2021
7-Month
19.51"
(495.55mm)
15.90"
(403.86mm)
3.61"
(91.69mm)
103rd Driest
Driest since:
1956
25th Wettest
Wettest since:
1973
Oct 2020–May 2021
8-Month
21.37"
(542.80mm)
18.53"
(470.66mm)
2.84"
(72.14mm)
96th Driest
Driest since:
1956
32nd Wettest
Wettest since:
2019
Sep 2020–May 2021
9-Month
26.40"
(670.56mm)
22.45"
(570.23mm)
3.95"
(100.33mm)
102nd Driest
Driest since:
1956
26th Wettest
Wettest since:
2019
Aug 2020–May 2021
10-Month
26.83"
(681.48mm)
26.20"
(665.48mm)
0.63"
(16.00mm)
71st Driest
Driest since:
1956
57th Wettest
Wettest since:
2019
Jul 2020–May 2021
11-Month
30.42"
(772.67mm)
30.18"
(766.57mm)
0.24"
(6.10mm)
66th Driest
Driest since:
1956
62nd Wettest
Wettest since:
2019
Jun 2020–May 2021
12-Month
36.49"
(926.85mm)
34.73"
(882.14mm)
1.76"
(44.71mm)
79th Driest
Driest since:
1956
49th Wettest
Wettest since:
1903
Dec 2019–May 2021
18-Month
50.58"
(1,284.73mm)
48.55"
(1,233.17mm)
2.03"
(51.56mm)
72nd Driest
Driest since:
1902
55th Wettest
Wettest since:
1974
Jun 2019–May 2021
24-Month
71.76"
(1,822.70mm)
69.46"
(1,764.28mm)
2.30"
(58.42mm)
75th Driest
Driest since:
1957
52nd Wettest
Wettest since:
2011
Jun 2018–May 2021
36-Month
123.73"
(3,142.74mm)
104.12"
(2,644.65mm)
19.61"
(498.09mm)
115th Driest
Driest since:
1958
11th Wettest
Wettest since:
2011
Jun 2017–May 2021
48-Month
149.40"
(3,794.76mm)
138.68"
(3,522.47mm)
10.72"
(272.29mm)
91st Driest
Driest since:
1957
34th Wettest
Wettest since:
2011
Jun 2016–May 2021
60-Month
184.99"
(4,698.75mm)
173.32"
(4,402.33mm)
11.67"
(296.42mm)
87th Driest
Driest since:
1958
37th Wettest
Wettest since:
2011

Citing This Page