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.

Iowa

Precipitation Rankings, September 1993

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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
September 1993
1-Month
3.69"
(93.73mm)
3.67"
(93.22mm)
0.02"
(0.51mm)
75th Driest
Driest since:
1939
54th Wettest
Wettest since:
1965
Aug–Sep 1993
2-Month
11.94"
(303.28mm)
7.51"
(190.75mm)
4.43"
(112.53mm)
122nd Driest
Driest since:
1976
7th Wettest
Wettest since:
2018
Jul–Sep 1993
3-Month
22.39"
(568.71mm)
11.36"
(288.54mm)
11.03"
(280.17mm)
128th Driest
Driest since:
2013
1st Wettest
Wettest to Date
1993
Jun–Sep 1993
4-Month
30.39"
(771.91mm)
16.00"
(406.40mm)
14.39"
(365.51mm)
128th Driest
Driest since:
2012
1st Wettest
Wettest to Date
1993
May–Sep 1993
5-Month
35.99"
(914.15mm)
20.04"
(509.02mm)
15.95"
(405.13mm)
128th Driest
Driest since:
1976
1st Wettest
Wettest to Date
1993
Apr–Sep 1993
6-Month
39.64"
(1,006.86mm)
22.99"
(583.95mm)
16.65"
(422.91mm)
128th Driest
Driest since:
1988
1st Wettest
Wettest to Date
1993
Mar–Sep 1993
7-Month
42.39"
(1,076.71mm)
24.94"
(633.48mm)
17.45"
(443.23mm)
128th Driest
Driest since:
1988
1st Wettest
Wettest to Date
1993
Feb–Sep 1993
8-Month
43.54"
(1,105.92mm)
25.96"
(659.38mm)
17.58"
(446.54mm)
128th Driest
Driest since:
1988
1st Wettest
Wettest to Date
1993
Jan–Sep 1993
9-Month
44.72"
(1,135.89mm)
26.93"
(684.02mm)
17.79"
(451.87mm)
128th Driest
Driest since:
1988
1st Wettest
Wettest to Date
1993
Dec 1992–Sep 1993
10-Month
46.50"
(1,181.10mm)
28.04"
(712.22mm)
18.46"
(468.88mm)
127th Driest
Driest since:
1988
1st Wettest
Wettest to Date
1993
Nov 1992–Sep 1993
11-Month
50.88"
(1,292.35mm)
29.78"
(756.41mm)
21.10"
(535.94mm)
127th Driest
Driest since:
1934
1st Wettest
Wettest to Date
1993
Oct 1992–Sep 1993
12-Month
52.51"
(1,333.75mm)
32.09"
(815.09mm)
20.42"
(518.66mm)
127th Driest
Driest since:
1934
1st Wettest
Wettest to Date
1993
Apr 1992–Sep 1993
18-Month
76.43"
(1,941.32mm)
55.13"
(1,400.30mm)
21.30"
(541.02mm)
127th Driest
Driest since:
1934
1st Wettest
Wettest to Date
1993
Oct 1991–Sep 1993
24-Month
89.69"
(2,278.13mm)
64.26"
(1,632.20mm)
25.43"
(645.93mm)
126th Driest
Driest since:
1956
1st Wettest
Wettest to Date
1993
Oct 1990–Sep 1993
36-Month
123.70"
(3,141.98mm)
96.36"
(2,447.54mm)
27.34"
(694.44mm)
124th Driest
Driest since:
1957
2nd Wettest
Wettest to Date
2010
Oct 1989–Sep 1993
48-Month
160.13"
(4,067.30mm)
128.36"
(3,260.34mm)
31.77"
(806.96mm)
121st Driest
Driest since:
1958
4th Wettest
Wettest to Date
2010
Oct 1988–Sep 1993
60-Month
186.33"
(4,732.78mm)
160.34"
(4,072.64mm)
25.99"
(660.14mm)
117th Driest
Driest since:
1957
7th Wettest
Wettest to Date
2010

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