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, March 1957

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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
March 1957
1-Month
1.88"
(47.75mm)
1.96"
(49.78mm)
-0.08"
(-2.03mm)
70th Driest
Driest since:
1910
59th Wettest
Wettest since:
1990
Ties: 1927
Feb–Mar 1957
2-Month
2.22"
(56.39mm)
2.97"
(75.44mm)
-0.75"
(-19.05mm)
34th Driest
Driest since:
1910
95th Wettest
Wettest since:
1951
Ties: 1932
Jan–Mar 1957
3-Month
2.78"
(70.61mm)
3.95"
(100.33mm)
-1.17"
(-29.72mm)
26th Driest
Driest since:
1968
103rd Wettest
Wettest since:
1951
Dec 1956–Mar 1957
4-Month
3.30"
(83.82mm)
5.05"
(128.27mm)
-1.75"
(-44.45mm)
15th Driest
Driest since:
1956
113th Wettest
Wettest since:
1973
Nov 1956–Mar 1957
5-Month
5.33"
(135.38mm)
6.79"
(172.47mm)
-1.46"
(-37.09mm)
30th Driest
Driest since:
1956
98th Wettest
Wettest since:
2016
Oct 1956–Mar 1957
6-Month
6.73"
(170.94mm)
9.11"
(231.39mm)
-2.38"
(-60.45mm)
17th Driest
Driest since:
1956
111th Wettest
Wettest since:
1932
Ties: 1904
Sep 1956–Mar 1957
7-Month
8.27"
(210.06mm)
12.80"
(325.12mm)
-4.53"
(-115.06mm)
10th Driest
Driest since:
1940
118th Wettest
Wettest since:
2019
Aug 1956–Mar 1957
8-Month
12.76"
(324.10mm)
16.66"
(423.16mm)
-3.90"
(-99.06mm)
14th Driest
Driest since:
1956
114th Wettest
Wettest since:
2019
Jul 1956–Mar 1957
9-Month
17.28"
(438.91mm)
20.55"
(521.97mm)
-3.27"
(-83.06mm)
27th Driest
Driest since:
1918
101st Wettest
Wettest since:
2019
Jun 1956–Mar 1957
10-Month
19.88"
(504.95mm)
25.15"
(638.81mm)
-5.27"
(-133.86mm)
18th Driest
Driest since:
1956
110th Wettest
Wettest since:
2019
May 1956–Mar 1957
11-Month
23.16"
(588.26mm)
29.19"
(741.43mm)
-6.03"
(-153.17mm)
15th Driest
Driest since:
1956
113th Wettest
Wettest since:
2019
Apr 1956–Mar 1957
12-Month
25.14"
(638.56mm)
32.14"
(816.36mm)
-7.00"
(-177.80mm)
10th Driest
Driest since:
1956
118th Wettest
Wettest since:
2019
Oct 1955–Mar 1957
18-Month
29.27"
(743.46mm)
41.28"
(1,048.51mm)
-12.01"
(-305.05mm)
2nd Driest
Driest since:
1989
125th Wettest
Wettest since:
1994
Apr 1955–Mar 1957
24-Month
46.86"
(1,190.24mm)
64.26"
(1,632.20mm)
-17.40"
(-441.96mm)
1st Driest
Driest since:
1957
126th Wettest
Wettest since:
2020
Apr 1954–Mar 1957
36-Month
80.79"
(2,052.07mm)
96.30"
(2,446.02mm)
-15.51"
(-393.95mm)
3rd Driest
Driest since:
1958
123rd Wettest
Wettest since:
2011
Apr 1953–Mar 1957
48-Month
104.68"
(2,658.87mm)
128.27"
(3,258.06mm)
-23.59"
(-599.19mm)
1st Driest
Driest since:
1957
124th Wettest
Wettest since:
2011
Apr 1952–Mar 1957
60-Month
134.33"
(3,411.98mm)
160.30"
(4,071.62mm)
-25.97"
(-659.64mm)
1st Driest
Driest since:
1957
123rd Wettest
Wettest since:
2020

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