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, January 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
January 2003
1-Month
0.39"
(9.91mm)
0.98"
(24.89mm)
-0.59"
(-14.98mm)
15th Driest
Driest since:
1981
114th Wettest
Wettest since:
1949
Dec 2002–Jan 2003
2-Month
0.63"
(16.00mm)
2.08"
(52.83mm)
-1.45"
(-36.83mm)
1st Driest
Driest since:
2003
127th Wettest
Wettest since:
2016
Nov 2002–Jan 2003
3-Month
0.85"
(21.59mm)
3.82"
(97.03mm)
-2.97"
(-75.44mm)
1st Driest
Driest since:
2003
127th Wettest
Wettest since:
1932
Oct 2002–Jan 2003
4-Month
4.43"
(112.52mm)
6.13"
(155.70mm)
-1.70"
(-43.18mm)
27th Driest
Driest since:
1911
101st Wettest
Wettest since:
1932
Sep 2002–Jan 2003
5-Month
6.14"
(155.96mm)
9.83"
(249.68mm)
-3.69"
(-93.72mm)
13th Driest
Driest since:
1977
115th Wettest
Wettest since:
1932
Ties: 1911
Aug 2002–Jan 2003
6-Month
11.95"
(303.53mm)
13.69"
(347.73mm)
-1.74"
(-44.20mm)
40th Driest
Driest since:
1977
88th Wettest
Wettest since:
2019
Jul 2002–Jan 2003
7-Month
16.19"
(411.23mm)
17.57"
(446.28mm)
-1.38"
(-35.05mm)
49th Driest
Driest since:
1977
79th Wettest
Wettest since:
2019
Jun 2002–Jan 2003
8-Month
19.70"
(500.38mm)
22.18"
(563.37mm)
-2.48"
(-62.99mm)
40th Driest
Driest since:
1977
88th Wettest
Wettest since:
2019
May 2002–Jan 2003
9-Month
23.80"
(604.52mm)
26.22"
(665.99mm)
-2.42"
(-61.47mm)
37th Driest
Driest since:
1977
91st Wettest
Wettest since:
1994
Ties: 1949
Apr 2002–Jan 2003
10-Month
27.42"
(696.47mm)
29.17"
(740.92mm)
-1.75"
(-44.45mm)
48th Driest
Driest since:
1911
80th Wettest
Wettest since:
1994
Mar 2002–Jan 2003
11-Month
28.58"
(725.93mm)
31.14"
(790.96mm)
-2.56"
(-65.03mm)
42nd Driest
Driest since:
1911
86th Wettest
Wettest since:
1994
Feb 2002–Jan 2003
12-Month
29.47"
(748.54mm)
32.15"
(816.61mm)
-2.68"
(-68.07mm)
40th Driest
Driest since:
1911
88th Wettest
Wettest since:
1994
Aug 2001–Jan 2003
18-Month
41.75"
(1,060.45mm)
45.86"
(1,164.84mm)
-4.11"
(-104.39mm)
32nd Driest
Driest since:
1957
95th Wettest
Wettest since:
2020
Feb 2001–Jan 2003
24-Month
63.04"
(1,601.22mm)
64.28"
(1,632.71mm)
-1.24"
(-31.49mm)
54th Driest
Driest since:
1990
73rd Wettest
Wettest since:
2020
Feb 2000–Jan 2003
36-Month
93.46"
(2,373.88mm)
96.29"
(2,445.77mm)
-2.83"
(-71.89mm)
44th Driest
Driest since:
1958
82nd Wettest
Wettest since:
2011
Feb 1999–Jan 2003
48-Month
125.18"
(3,179.57mm)
128.27"
(3,258.06mm)
-3.09"
(-78.49mm)
42nd Driest
Driest since:
1959
83rd Wettest
Wettest since:
2011
Feb 1998–Jan 2003
60-Month
164.99"
(4,190.75mm)
160.30"
(4,071.62mm)
4.69"
(119.13mm)
76th Driest
Driest since:
1957
48th Wettest
Wettest since:
2011

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