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, July 2008

View Period (Months):
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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
July 2008
1-Month
5.88"
(149.35mm)
3.86"
(98.04mm)
2.02"
(51.31mm)
113th Driest
Driest since:
1936
16th Wettest
Wettest since:
1993
Jun–Jul 2008
2-Month
14.76"
(374.90mm)
8.49"
(215.65mm)
6.27"
(159.25mm)
125th Driest
Driest since:
1936
4th Wettest
Wettest since:
1993
May–Jul 2008
3-Month
20.43"
(518.92mm)
12.53"
(318.26mm)
7.90"
(200.66mm)
125th Driest
Driest since:
1988
4th Wettest
Wettest since:
1993
Apr–Jul 2008
4-Month
26.29"
(667.77mm)
15.48"
(393.19mm)
10.81"
(274.58mm)
127th Driest
Driest since:
1936
2nd Wettest
Wettest since:
1993
Mar–Jul 2008
5-Month
27.55"
(699.77mm)
17.43"
(442.72mm)
10.12"
(257.05mm)
126th Driest
Driest since:
1936
3rd Wettest
Wettest since:
1993
Feb–Jul 2008
6-Month
29.26"
(743.20mm)
18.45"
(468.63mm)
10.81"
(274.57mm)
127th Driest
Driest since:
1988
2nd Wettest
Wettest since:
1993
Jan–Jul 2008
7-Month
29.94"
(760.48mm)
19.43"
(493.52mm)
10.51"
(266.96mm)
126th Driest
Driest since:
1988
3rd Wettest
Wettest since:
1993
Dec 2007–Jul 2008
8-Month
32.38"
(822.45mm)
20.53"
(521.46mm)
11.85"
(300.99mm)
125th Driest
Driest since:
1988
3rd Wettest
Wettest since:
1993
Nov 2007–Jul 2008
9-Month
32.56"
(827.02mm)
22.27"
(565.66mm)
10.29"
(261.36mm)
125th Driest
Driest since:
1934
3rd Wettest
Wettest since:
1993
Oct 2007–Jul 2008
10-Month
37.66"
(956.56mm)
24.58"
(624.33mm)
13.08"
(332.23mm)
125th Driest
Driest since:
1934
3rd Wettest
Wettest since:
1993
Sep 2007–Jul 2008
11-Month
40.53"
(1,029.46mm)
28.28"
(718.31mm)
12.25"
(311.15mm)
124th Driest
Driest since:
1988
4th Wettest
Wettest since:
1993
Aug 2007–Jul 2008
12-Month
50.22"
(1,275.59mm)
32.14"
(816.36mm)
18.08"
(459.23mm)
127th Driest
Driest since:
1956
1st Wettest
Wettest to Date
2008
Feb 2007–Jul 2008
18-Month
71.44"
(1,814.58mm)
50.60"
(1,285.24mm)
20.84"
(529.34mm)
127th Driest
Driest since:
1911
1st Wettest
Wettest to Date
2008
Aug 2006–Jul 2008
24-Month
87.82"
(2,230.63mm)
64.31"
(1,633.47mm)
23.51"
(597.16mm)
126th Driest
Driest since:
1934
1st Wettest
Wettest to Date
2008
Aug 2005–Jul 2008
36-Month
114.89"
(2,918.21mm)
96.40"
(2,448.56mm)
18.49"
(469.65mm)
115th Driest
Driest since:
1956
11th Wettest
Wettest since:
2010
Aug 2004–Jul 2008
48-Month
146.65"
(3,724.91mm)
128.38"
(3,260.85mm)
18.27"
(464.06mm)
113th Driest
Driest since:
1957
12th Wettest
Wettest since:
2010
Aug 2003–Jul 2008
60-Month
179.88"
(4,568.95mm)
160.37"
(4,073.40mm)
19.51"
(495.55mm)
109th Driest
Driest since:
1957
15th Wettest
Wettest since:
2011

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