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, August 1993

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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
August 1993
1-Month
8.25"
(209.55mm)
3.84"
(97.54mm)
4.41"
(112.01mm)
127th Driest
Driest since:
1984
2nd Wettest
Wettest to Date
2007
Jul–Aug 1993
2-Month
18.70"
(474.98mm)
7.70"
(195.58mm)
11.00"
(279.40mm)
128th Driest
Driest since:
1947
1st Wettest
Wettest to Date
1993
Jun–Aug 1993
3-Month
26.70"
(678.18mm)
12.33"
(313.18mm)
14.37"
(365.00mm)
128th Driest
Driest since:
1927
1st Wettest
Wettest to Date
1993
May–Aug 1993
4-Month
32.30"
(820.42mm)
16.38"
(416.05mm)
15.92"
(404.37mm)
128th Driest
Driest since:
1936
1st Wettest
Wettest to Date
1993
Apr–Aug 1993
5-Month
35.95"
(913.13mm)
19.32"
(490.73mm)
16.63"
(422.40mm)
128th Driest
Driest since:
1936
1st Wettest
Wettest to Date
1993
Mar–Aug 1993
6-Month
38.70"
(982.98mm)
21.28"
(540.51mm)
17.42"
(442.47mm)
128th Driest
Driest since:
1936
1st Wettest
Wettest to Date
1993
Feb–Aug 1993
7-Month
39.85"
(1,012.19mm)
22.29"
(566.17mm)
17.56"
(446.02mm)
128th Driest
Driest since:
1988
1st Wettest
Wettest to Date
1993
Jan–Aug 1993
8-Month
41.03"
(1,042.16mm)
23.27"
(591.06mm)
17.76"
(451.10mm)
128th Driest
Driest since:
1988
1st Wettest
Wettest to Date
1993
Dec 1992–Aug 1993
9-Month
42.81"
(1,087.37mm)
24.37"
(619.00mm)
18.44"
(468.37mm)
127th Driest
Driest since:
1988
1st Wettest
Wettest to Date
1993
Nov 1992–Aug 1993
10-Month
47.19"
(1,198.63mm)
26.11"
(663.19mm)
21.08"
(535.44mm)
127th Driest
Driest since:
1934
1st Wettest
Wettest to Date
1993
Oct 1992–Aug 1993
11-Month
48.82"
(1,240.03mm)
28.42"
(721.87mm)
20.40"
(518.16mm)
127th Driest
Driest since:
1934
1st Wettest
Wettest to Date
1993
Sep 1992–Aug 1993
12-Month
54.40"
(1,381.76mm)
32.12"
(815.85mm)
22.28"
(565.91mm)
127th Driest
Driest since:
1934
1st Wettest
Wettest to Date
1993
Mar 1992–Aug 1993
18-Month
74.95"
(1,903.73mm)
53.43"
(1,357.12mm)
21.52"
(546.61mm)
127th Driest
Driest since:
1911
1st Wettest
Wettest to Date
1993
Sep 1991–Aug 1993
24-Month
88.79"
(2,255.27mm)
64.28"
(1,632.71mm)
24.51"
(622.56mm)
126th Driest
Driest since:
1934
1st Wettest
Wettest to Date
1993
Sep 1990–Aug 1993
36-Month
121.40"
(3,083.56mm)
96.39"
(2,448.31mm)
25.01"
(635.25mm)
123rd Driest
Driest since:
1957
3rd Wettest
Wettest to Date
2010
Sep 1989–Aug 1993
48-Month
161.28"
(4,096.51mm)
128.37"
(3,260.60mm)
32.91"
(835.91mm)
122nd Driest
Driest since:
1936
3rd Wettest
Wettest to Date
2010
Sep 1988–Aug 1993
60-Month
186.25"
(4,730.75mm)
160.37"
(4,073.40mm)
25.88"
(657.35mm)
116th Driest
Driest since:
1957
8th Wettest
Wettest to Date
2011

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