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, October 1911

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
October 1911
1-Month
3.42"
(86.87mm)
2.29"
(58.17mm)
1.13"
(28.70mm)
105th Driest
Driest since:
1952
24th Wettest
Wettest since:
2009
Sep–Oct 1911
2-Month
8.42"
(213.87mm)
5.96"
(151.38mm)
2.46"
(62.49mm)
110th Driest
Driest since:
1952
19th Wettest
Wettest since:
1941
Aug–Oct 1911
3-Month
11.90"
(302.26mm)
9.80"
(248.92mm)
2.10"
(53.34mm)
97th Driest
Driest since:
1953
32nd Wettest
Wettest since:
2018
Ties: 1998
Jul–Oct 1911
4-Month
14.30"
(363.22mm)
13.66"
(346.96mm)
0.64"
(16.26mm)
76th Driest
Driest since:
1953, 1976
53rd Wettest
Wettest since:
1993
Jun–Oct 1911
5-Month
16.21"
(411.73mm)
18.29"
(464.57mm)
-2.08"
(-52.84mm)
40th Driest
Driest since:
1976
89th Wettest
Wettest since:
1993
May–Oct 1911
6-Month
20.13"
(511.30mm)
22.33"
(567.18mm)
-2.20"
(-55.88mm)
40th Driest
Driest since:
1976
89th Wettest
Wettest since:
1993
Apr–Oct 1911
7-Month
23.19"
(589.03mm)
25.28"
(642.11mm)
-2.09"
(-53.08mm)
39th Driest
Driest since:
1988
90th Wettest
Wettest since:
1993
Mar–Oct 1911
8-Month
24.06"
(611.12mm)
27.23"
(691.64mm)
-3.17"
(-80.52mm)
31st Driest
Driest since:
1988
98th Wettest
Wettest since:
1993
Feb–Oct 1911
9-Month
26.82"
(681.23mm)
28.25"
(717.55mm)
-1.43"
(-36.32mm)
48th Driest
Driest since:
1988
81st Wettest
Wettest since:
1993
Jan–Oct 1911
10-Month
27.69"
(703.33mm)
29.23"
(742.44mm)
-1.54"
(-39.11mm)
47th Driest
Driest since:
1988
82nd Wettest
Wettest since:
1993
Dec 1910–Oct 1911
11-Month
28.06"
(712.72mm)
30.33"
(770.38mm)
-2.27"
(-57.66mm)
38th Driest
Driest since:
1988
90th Wettest
Wettest since:
1993
Ties: 1997
Nov 1910–Oct 1911
12-Month
28.40"
(721.36mm)
32.07"
(814.58mm)
-3.67"
(-93.22mm)
33rd Driest
Driest since:
1956
95th Wettest
Wettest since:
1993
May 1910–Oct 1911
18-Month
44.19"
(1,122.43mm)
54.47"
(1,383.54mm)
-10.28"
(-261.11mm)
5th Driest
Driest since:
1956
123rd Wettest
Wettest since:
2019
Nov 1909–Oct 1911
24-Month
55.42"
(1,407.67mm)
64.23"
(1,631.44mm)
-8.81"
(-223.77mm)
10th Driest
Driest since:
1956
117th Wettest
Wettest since:
1993
Nov 1908–Oct 1911
36-Month
89.69"
(2,278.13mm)
96.34"
(2,447.04mm)
-6.65"
(-168.91mm)
26th Driest
Driest since:
1957
100th Wettest
Wettest since:
2010
Nov 1907–Oct 1911
48-Month
124.30"
(3,157.22mm)
128.36"
(3,260.34mm)
-4.06"
(-103.12mm)
41st Driest
Driest since:
1958
84th Wettest
Wettest since:
2010
Nov 1906–Oct 1911
60-Month
157.42"
(3,998.47mm)
160.34"
(4,072.64mm)
-2.92"
(-74.17mm)
44th Driest
Driest since:
1956
80th Wettest
Wettest since:
2010

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