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 1985

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PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
May 1985
1-Month
3.47"
(88.14mm)
4.04"
(102.62mm)
-0.57"
(-14.48mm)
57th Driest
Driest since:
1992
73rd Wettest
Wettest since:
1996
Apr–May 1985
2-Month
4.24"
(107.70mm)
7.38"
(187.45mm)
-3.14"
(-79.75mm)
15th Driest
Driest since:
1956
115th Wettest
Wettest since:
2013
Mar–May 1985
3-Month
7.90"
(200.66mm)
9.74"
(247.40mm)
-1.84"
(-46.74mm)
34th Driest
Driest since:
1956
96th Wettest
Wettest since:
1973
Feb–May 1985
4-Month
9.69"
(246.13mm)
10.97"
(278.64mm)
-1.28"
(-32.51mm)
40th Driest
Driest since:
1956
90th Wettest
Wettest since:
1973
Ties: 1961
Jan–May 1985
5-Month
10.75"
(273.05mm)
12.29"
(312.17mm)
-1.54"
(-39.12mm)
38th Driest
Driest since:
1956
92nd Wettest
Wettest since:
1973
Dec 1984–May 1985
6-Month
13.09"
(332.49mm)
13.78"
(350.01mm)
-0.69"
(-17.52mm)
44th Driest
Driest since:
1956
85th Wettest
Wettest since:
1973
Ties: 1948
Nov 1984–May 1985
7-Month
15.80"
(401.32mm)
15.90"
(403.86mm)
-0.10"
(-2.54mm)
65th Driest
Driest since:
1956
64th Wettest
Wettest since:
1973
Ties: 1966
Oct 1984–May 1985
8-Month
22.76"
(578.10mm)
18.53"
(470.66mm)
4.23"
(107.44mm)
111th Driest
Driest since:
1956
18th Wettest
Wettest since:
2019
Ties: 1996
Sep 1984–May 1985
9-Month
25.81"
(655.57mm)
22.45"
(570.23mm)
3.36"
(85.34mm)
97th Driest
Driest since:
1956
32nd Wettest
Wettest since:
2019
Aug 1984–May 1985
10-Month
26.89"
(683.01mm)
26.20"
(665.48mm)
0.69"
(17.53mm)
74th Driest
Driest since:
1956
55th Wettest
Wettest since:
2019
Jul 1984–May 1985
11-Month
32.91"
(835.91mm)
30.18"
(766.57mm)
2.73"
(69.34mm)
84th Driest
Driest since:
1956
45th Wettest
Wettest since:
2019
Jun 1984–May 1985
12-Month
37.73"
(958.34mm)
34.73"
(882.14mm)
3.00"
(76.20mm)
88th Driest
Driest since:
1956
41st Wettest
Wettest since:
1903
Dec 1983–May 1985
18-Month
53.10"
(1,348.74mm)
48.55"
(1,233.17mm)
4.55"
(115.57mm)
93rd Driest
Driest since:
1902
35th Wettest
Wettest since:
1974
Jun 1983–May 1985
24-Month
73.74"
(1,873.00mm)
69.46"
(1,764.28mm)
4.28"
(108.72mm)
81st Driest
Driest since:
1957
47th Wettest
Wettest since:
2011
Jun 1982–May 1985
36-Month
116.57"
(2,960.88mm)
104.12"
(2,644.65mm)
12.45"
(316.23mm)
107th Driest
Driest since:
1958
20th Wettest
Wettest since:
2011
Jun 1981–May 1985
48-Month
159.70"
(4,056.38mm)
138.68"
(3,522.47mm)
21.02"
(533.91mm)
115th Driest
Driest since:
1957
11th Wettest
Wettest since:
2011
Jun 1980–May 1985
60-Month
200.65"
(5,096.51mm)
173.32"
(4,402.33mm)
27.33"
(694.18mm)
118th Driest
Driest since:
1958
7th Wettest
Wettest since:
2011

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