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 1924

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 1924
1-Month
0.82"
(20.83mm)
2.29"
(58.17mm)
-1.47"
(-37.34mm)
11th Driest
Driest since:
1952
118th Wettest
Wettest since:
2009
Ties: 1910
Sep–Oct 1924
2-Month
3.82"
(97.03mm)
5.96"
(151.38mm)
-2.14"
(-54.35mm)
22nd Driest
Driest since:
1952
107th Wettest
Wettest since:
1941
Aug–Oct 1924
3-Month
9.29"
(235.97mm)
9.80"
(248.92mm)
-0.51"
(-12.95mm)
62nd Driest
Driest since:
1953
67th Wettest
Wettest since:
2018
Jul–Oct 1924
4-Month
13.03"
(330.96mm)
13.66"
(346.96mm)
-0.63"
(-16.00mm)
59th Driest
Driest since:
1953, 1976
70th Wettest
Wettest since:
1993
Jun–Oct 1924
5-Month
20.97"
(532.64mm)
18.29"
(464.57mm)
2.68"
(68.07mm)
101st Driest
Driest since:
1976
28th Wettest
Wettest since:
1993
May–Oct 1924
6-Month
22.65"
(575.31mm)
22.33"
(567.18mm)
0.32"
(8.13mm)
66th Driest
Driest since:
1976
63rd Wettest
Wettest since:
1993
Apr–Oct 1924
7-Month
24.00"
(609.60mm)
25.28"
(642.11mm)
-1.28"
(-32.51mm)
50th Driest
Driest since:
1988
79th Wettest
Wettest since:
1993
Mar–Oct 1924
8-Month
26.71"
(678.43mm)
27.23"
(691.64mm)
-0.52"
(-13.21mm)
54th Driest
Driest since:
1988
75th Wettest
Wettest since:
1993
Ties: 1920
Feb–Oct 1924
9-Month
27.92"
(709.17mm)
28.25"
(717.55mm)
-0.33"
(-8.38mm)
60th Driest
Driest since:
1988
69th Wettest
Wettest since:
1993
Jan–Oct 1924
10-Month
28.68"
(728.47mm)
29.23"
(742.44mm)
-0.55"
(-13.97mm)
58th Driest
Driest since:
1988
71st Wettest
Wettest since:
1993
Dec 1923–Oct 1924
11-Month
29.45"
(748.03mm)
30.33"
(770.38mm)
-0.88"
(-22.35mm)
53rd Driest
Driest since:
1988
75th Wettest
Wettest since:
1993
Nov 1923–Oct 1924
12-Month
30.04"
(763.02mm)
32.07"
(814.58mm)
-2.03"
(-51.56mm)
42nd Driest
Driest since:
1956
86th Wettest
Wettest since:
1993
May 1923–Oct 1924
18-Month
52.16"
(1,324.86mm)
54.47"
(1,383.54mm)
-2.31"
(-58.68mm)
46th Driest
Driest since:
1956
82nd Wettest
Wettest since:
2019
Nov 1922–Oct 1924
24-Month
62.27"
(1,581.66mm)
64.23"
(1,631.44mm)
-1.96"
(-49.78mm)
53rd Driest
Driest since:
1956
74th Wettest
Wettest since:
1993
Nov 1921–Oct 1924
36-Month
89.50"
(2,273.30mm)
96.34"
(2,447.04mm)
-6.84"
(-173.74mm)
22nd Driest
Driest since:
1957
104th Wettest
Wettest since:
2010
Nov 1920–Oct 1924
48-Month
123.28"
(3,131.31mm)
128.36"
(3,260.34mm)
-5.08"
(-129.03mm)
32nd Driest
Driest since:
1958
93rd Wettest
Wettest since:
2010
Nov 1919–Oct 1924
60-Month
154.92"
(3,934.97mm)
160.34"
(4,072.64mm)
-5.42"
(-137.67mm)
29th Driest
Driest since:
1956
95th Wettest
Wettest since:
2010

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