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 1960

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  • Record Wettest
PeriodValue1901-2000
Mean
AnomalyRank
(1895-2023)
Wettest/Driest
Since
Record
January 1960
1-Month
2.19"
(55.63mm)
0.98"
(24.89mm)
1.21"
(30.74mm)
126th Driest
Driest since:
1981
4th Wettest
Wettest since:
1949
Dec 1959–Jan 1960
2-Month
3.96"
(100.58mm)
2.08"
(52.83mm)
1.88"
(47.75mm)
124th Driest
Driest since:
2003
5th Wettest
Wettest since:
2016
Nov 1959–Jan 1960
3-Month
5.82"
(147.83mm)
3.82"
(97.03mm)
2.00"
(50.80mm)
118th Driest
Driest since:
2003
11th Wettest
Wettest since:
1932
Oct 1959–Jan 1960
4-Month
8.76"
(222.50mm)
6.13"
(155.70mm)
2.63"
(66.80mm)
112th Driest
Driest since:
1911
17th Wettest
Wettest since:
1932
Sep 1959–Jan 1960
5-Month
13.11"
(332.99mm)
9.83"
(249.68mm)
3.28"
(83.31mm)
109th Driest
Driest since:
1977
20th Wettest
Wettest since:
1932
Ties: 2010
Aug 1959–Jan 1960
6-Month
18.02"
(457.71mm)
13.69"
(347.73mm)
4.33"
(109.98mm)
112th Driest
Driest since:
1977
17th Wettest
Wettest since:
2019
Jul 1959–Jan 1960
7-Month
20.41"
(518.41mm)
17.57"
(446.28mm)
2.84"
(72.13mm)
99th Driest
Driest since:
1977
30th Wettest
Wettest since:
2019
Jun 1959–Jan 1960
8-Month
24.46"
(621.28mm)
22.18"
(563.37mm)
2.28"
(57.91mm)
94th Driest
Driest since:
1977
35th Wettest
Wettest since:
2019
May 1959–Jan 1960
9-Month
32.04"
(813.82mm)
26.22"
(665.99mm)
5.82"
(147.83mm)
113th Driest
Driest since:
1977
16th Wettest
Wettest since:
1994
Apr 1959–Jan 1960
10-Month
34.87"
(885.70mm)
29.17"
(740.92mm)
5.70"
(144.78mm)
108th Driest
Driest since:
1911
21st Wettest
Wettest since:
1994
Mar 1959–Jan 1960
11-Month
38.10"
(967.74mm)
31.14"
(790.96mm)
6.96"
(176.78mm)
111th Driest
Driest since:
1911
18th Wettest
Wettest since:
1994
Feb 1959–Jan 1960
12-Month
39.42"
(1,001.27mm)
32.15"
(816.61mm)
7.27"
(184.66mm)
111th Driest
Driest since:
1911
18th Wettest
Wettest since:
1994
Aug 1958–Jan 1960
18-Month
48.52"
(1,232.41mm)
45.86"
(1,164.84mm)
2.66"
(67.57mm)
85th Driest
Driest since:
1957
43rd Wettest
Wettest since:
2020
Feb 1958–Jan 1960
24-Month
64.82"
(1,646.43mm)
64.28"
(1,632.71mm)
0.54"
(13.72mm)
68th Driest
Driest since:
1990
60th Wettest
Wettest since:
2020
Feb 1957–Jan 1960
36-Month
96.48"
(2,450.59mm)
96.29"
(2,445.77mm)
0.19"
(4.82mm)
61st Driest
Driest since:
1958
66th Wettest
Wettest since:
2011
Feb 1956–Jan 1960
48-Month
120.87"
(3,070.10mm)
128.27"
(3,258.06mm)
-7.40"
(-187.96mm)
25th Driest
Driest since:
1959
101st Wettest
Wettest since:
2011
Feb 1955–Jan 1960
60-Month
143.39"
(3,642.11mm)
160.30"
(4,071.62mm)
-16.91"
(-429.51mm)
7th Driest
Driest since:
1957
118th Wettest
Wettest since:
2011

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