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 1898

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 1898
1-Month
1.56"
(39.62mm)
0.98"
(24.89mm)
0.58"
(14.73mm)
110th Driest
Driest since:
1981
19th Wettest
Wettest since:
1949
Ties: 2017
Dec 1897–Jan 1898
2-Month
3.18"
(80.77mm)
2.08"
(52.83mm)
1.10"
(27.94mm)
114th Driest
Driest since:
2003
14th Wettest
Wettest to Date
2016
Nov 1897–Jan 1898
3-Month
3.81"
(96.77mm)
3.82"
(97.03mm)
-0.01"
(-0.26mm)
68th Driest
Driest since:
2003
60th Wettest
Wettest since:
1932
Ties: 2011
Oct 1897–Jan 1898
4-Month
4.83"
(122.68mm)
6.13"
(155.70mm)
-1.30"
(-33.02mm)
36th Driest
Driest since:
1911
92nd Wettest
Wettest since:
1932
Sep 1897–Jan 1898
5-Month
6.80"
(172.72mm)
9.83"
(249.68mm)
-3.03"
(-76.96mm)
21st Driest
Driest since:
1977
107th Wettest
Wettest since:
1932
Aug 1897–Jan 1898
6-Month
8.85"
(224.79mm)
13.69"
(347.73mm)
-4.84"
(-122.94mm)
8th Driest
Driest since:
1977
120th Wettest
Wettest since:
2019
Ties: 2014
Jul 1897–Jan 1898
7-Month
12.02"
(305.31mm)
17.57"
(446.28mm)
-5.55"
(-140.97mm)
8th Driest
Driest since:
1977
120th Wettest
Wettest since:
2019
Jun 1897–Jan 1898
8-Month
15.92"
(404.37mm)
22.18"
(563.37mm)
-6.26"
(-159.00mm)
8th Driest
Driest since:
1977
120th Wettest
Wettest since:
2019
May 1897–Jan 1898
9-Month
17.81"
(452.37mm)
26.22"
(665.99mm)
-8.41"
(-213.62mm)
5th Driest
Driest since:
1977
123rd Wettest
Wettest since:
1994
Apr 1897–Jan 1898
10-Month
22.77"
(578.36mm)
29.17"
(740.92mm)
-6.40"
(-162.56mm)
10th Driest
Driest since:
1911
118th Wettest
Wettest since:
1994
Mar 1897–Jan 1898
11-Month
25.06"
(636.52mm)
31.14"
(790.96mm)
-6.08"
(-154.44mm)
16th Driest
Driest since:
1911
112th Wettest
Wettest since:
1994
Feb 1897–Jan 1898
12-Month
25.94"
(658.88mm)
32.15"
(816.61mm)
-6.21"
(-157.73mm)
14th Driest
Driest since:
1911
114th Wettest
Wettest since:
1994
Aug 1896–Jan 1898
18-Month
41.03"
(1,042.16mm)
45.86"
(1,164.84mm)
-4.83"
(-122.68mm)
28th Driest
Driest since:
1957
99th Wettest
Wettest since:
2020
Feb 1896–Jan 1898
24-Month
64.09"
(1,627.89mm)
64.28"
(1,632.71mm)
-0.19"
(-4.82mm)
61st Driest
Driest since:
1990
66th Wettest
Wettest since:
2020
Ties: 1905
Feb 1895–Jan 1898
36-Month
90.04"
(2,287.02mm)
96.29"
(2,445.77mm)
-6.25"
(-158.75mm)
26th Driest
Driest since:
1958
100th Wettest
Wettest to Date
2011

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