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 1913

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 1913
1-Month
0.81"
(20.57mm)
0.98"
(24.89mm)
-0.17"
(-4.32mm)
55th Driest
Driest since:
1981
74th Wettest
Wettest since:
1949
Ties: 1923, 1940
Dec 1912–Jan 1913
2-Month
1.52"
(38.61mm)
2.08"
(52.83mm)
-0.56"
(-14.22mm)
30th Driest
Driest since:
2003
98th Wettest
Wettest since:
2016
Nov 1912–Jan 1913
3-Month
2.49"
(63.25mm)
3.82"
(97.03mm)
-1.33"
(-33.78mm)
28th Driest
Driest since:
2003
100th Wettest
Wettest since:
1932
Oct 1912–Jan 1913
4-Month
5.55"
(140.97mm)
6.13"
(155.70mm)
-0.58"
(-14.73mm)
52nd Driest
Driest since:
1911
76th Wettest
Wettest since:
1932
Ties: 2015
Sep 1912–Jan 1913
5-Month
9.54"
(242.32mm)
9.83"
(249.68mm)
-0.29"
(-7.36mm)
65th Driest
Driest since:
1977
63rd Wettest
Wettest since:
1932
Aug 1912–Jan 1913
6-Month
13.39"
(340.11mm)
13.69"
(347.73mm)
-0.30"
(-7.62mm)
65th Driest
Driest since:
1977
63rd Wettest
Wettest since:
2019
Jul 1912–Jan 1913
7-Month
17.15"
(435.61mm)
17.57"
(446.28mm)
-0.42"
(-10.67mm)
66th Driest
Driest since:
1977
62nd Wettest
Wettest since:
2019
Ties: 1926
Jun 1912–Jan 1913
8-Month
19.82"
(503.43mm)
22.18"
(563.37mm)
-2.36"
(-59.94mm)
42nd Driest
Driest since:
1977
86th Wettest
Wettest since:
2019
May 1912–Jan 1913
9-Month
22.99"
(583.95mm)
26.22"
(665.99mm)
-3.23"
(-82.04mm)
28th Driest
Driest since:
1977
100th Wettest
Wettest since:
1994
Apr 1912–Jan 1913
10-Month
25.60"
(650.24mm)
29.17"
(740.92mm)
-3.57"
(-90.68mm)
28th Driest
Driest since:
1911
100th Wettest
Wettest since:
1994
Ties: 1918
Mar 1912–Jan 1913
11-Month
27.56"
(700.02mm)
31.14"
(790.96mm)
-3.58"
(-90.94mm)
29th Driest
Driest since:
1911
99th Wettest
Wettest since:
1994
Feb 1912–Jan 1913
12-Month
28.71"
(729.23mm)
32.15"
(816.61mm)
-3.44"
(-87.38mm)
28th Driest
Driest since:
1911
100th Wettest
Wettest since:
1994
Ties: 1900
Aug 1911–Jan 1913
18-Month
45.07"
(1,144.78mm)
45.86"
(1,164.84mm)
-0.79"
(-20.06mm)
56th Driest
Driest since:
1957
71st Wettest
Wettest since:
2020
Feb 1911–Jan 1913
24-Month
59.99"
(1,523.75mm)
64.28"
(1,632.71mm)
-4.29"
(-108.96mm)
33rd Driest
Driest since:
1990
94th Wettest
Wettest since:
2020
Feb 1910–Jan 1913
36-Month
79.48"
(2,018.79mm)
96.29"
(2,445.77mm)
-16.81"
(-426.98mm)
2nd Driest
Driest since:
1958
124th Wettest
Wettest since:
2011
Feb 1909–Jan 1913
48-Month
119.07"
(3,024.38mm)
128.27"
(3,258.06mm)
-9.20"
(-233.68mm)
17th Driest
Driest since:
1959
108th Wettest
Wettest since:
2011
Feb 1908–Jan 1913
60-Month
155.03"
(3,937.76mm)
160.30"
(4,071.62mm)
-5.27"
(-133.86mm)
31st Driest
Driest since:
1957
93rd Wettest
Wettest since:
2011

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