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 2003

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
August 2003
1-Month
1.03"
(26.16mm)
3.84"
(97.54mm)
-2.81"
(-71.38mm)
2nd Driest
Driest since:
1984
127th Wettest
Wettest since:
2007
Jul–Aug 2003
2-Month
5.14"
(130.56mm)
7.70"
(195.58mm)
-2.56"
(-65.02mm)
19th Driest
Driest since:
1947
110th Wettest
Wettest since:
1993
Jun–Aug 2003
3-Month
9.62"
(244.35mm)
12.33"
(313.18mm)
-2.71"
(-68.83mm)
20th Driest
Driest since:
1927
109th Wettest
Wettest since:
1993
May–Aug 2003
4-Month
14.23"
(361.44mm)
16.38"
(416.05mm)
-2.15"
(-54.61mm)
32nd Driest
Driest since:
1936
97th Wettest
Wettest since:
1993
Apr–Aug 2003
5-Month
17.48"
(443.99mm)
19.32"
(490.73mm)
-1.84"
(-46.74mm)
40th Driest
Driest since:
1936
89th Wettest
Wettest since:
1993
Ties: 1922
Mar–Aug 2003
6-Month
18.63"
(473.20mm)
21.28"
(540.51mm)
-2.65"
(-67.31mm)
34th Driest
Driest since:
1936
95th Wettest
Wettest since:
1993
Feb–Aug 2003
7-Month
19.45"
(494.03mm)
22.29"
(566.17mm)
-2.84"
(-72.14mm)
29th Driest
Driest since:
1988
100th Wettest
Wettest since:
1993
Jan–Aug 2003
8-Month
19.84"
(503.94mm)
23.27"
(591.06mm)
-3.43"
(-87.12mm)
24th Driest
Driest since:
1988
105th Wettest
Wettest since:
1993
Dec 2002–Aug 2003
9-Month
20.08"
(510.03mm)
24.37"
(619.00mm)
-4.29"
(-108.97mm)
16th Driest
Driest since:
1988
112th Wettest
Wettest since:
1993
Nov 2002–Aug 2003
10-Month
20.30"
(515.62mm)
26.11"
(663.19mm)
-5.81"
(-147.57mm)
11th Driest
Driest since:
1934
117th Wettest
Wettest since:
1993
Oct 2002–Aug 2003
11-Month
23.88"
(606.55mm)
28.42"
(721.87mm)
-4.54"
(-115.32mm)
17th Driest
Driest since:
1934
111th Wettest
Wettest since:
1993
Sep 2002–Aug 2003
12-Month
25.59"
(649.99mm)
32.12"
(815.85mm)
-6.53"
(-165.86mm)
12th Driest
Driest since:
1934
116th Wettest
Wettest since:
1993
Mar 2002–Aug 2003
18-Month
48.03"
(1,219.96mm)
53.43"
(1,357.12mm)
-5.40"
(-137.16mm)
24th Driest
Driest since:
1911
104th Wettest
Wettest since:
1993
Sep 2001–Aug 2003
24-Month
58.23"
(1,479.04mm)
64.28"
(1,632.71mm)
-6.05"
(-153.67mm)
24th Driest
Driest since:
1934
103rd Wettest
Wettest since:
1993
Ties: 1914
Sep 2000–Aug 2003
36-Month
91.64"
(2,327.66mm)
96.39"
(2,448.31mm)
-4.75"
(-120.65mm)
35th Driest
Driest since:
1957
91st Wettest
Wettest since:
2010
Sep 1999–Aug 2003
48-Month
117.98"
(2,996.69mm)
128.37"
(3,260.60mm)
-10.39"
(-263.91mm)
16th Driest
Driest since:
1936
109th Wettest
Wettest since:
2010
Sep 1998–Aug 2003
60-Month
154.84"
(3,932.94mm)
160.37"
(4,073.40mm)
-5.53"
(-140.46mm)
32nd Driest
Driest since:
1957
92nd Wettest
Wettest since:
2011

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