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 1904

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
March 1904
1-Month
2.17"
(55.12mm)
1.96"
(49.78mm)
0.21"
(5.34mm)
80th Driest
Driest since:
1910
49th Wettest
Wettest since:
1990
Feb–Mar 1904
2-Month
2.68"
(68.07mm)
2.97"
(75.44mm)
-0.29"
(-7.37mm)
52nd Driest
Driest since:
1910
77th Wettest
Wettest since:
1951
Ties: 2010
Jan–Mar 1904
3-Month
3.87"
(98.30mm)
3.95"
(100.33mm)
-0.08"
(-2.03mm)
63rd Driest
Driest since:
1968
66th Wettest
Wettest since:
1951
Dec 1903–Mar 1904
4-Month
4.28"
(108.71mm)
5.05"
(128.27mm)
-0.77"
(-19.56mm)
36th Driest
Driest since:
1956
92nd Wettest
Wettest since:
1973
Nov 1903–Mar 1904
5-Month
4.80"
(121.92mm)
6.79"
(172.47mm)
-1.99"
(-50.55mm)
19th Driest
Driest since:
1956
109th Wettest
Wettest since:
2016
Oct 1903–Mar 1904
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: 1957
Sep 1903–Mar 1904
7-Month
10.45"
(265.43mm)
12.80"
(325.12mm)
-2.35"
(-59.69mm)
31st Driest
Driest since:
1940
97th Wettest
Wettest since:
2019
Aug 1903–Mar 1904
8-Month
16.85"
(427.99mm)
16.66"
(423.16mm)
0.19"
(4.83mm)
66th Driest
Driest since:
1956
62nd Wettest
Wettest since:
2019
Jul 1903–Mar 1904
9-Month
22.08"
(560.83mm)
20.55"
(521.97mm)
1.53"
(38.86mm)
87th Driest
Driest since:
1918
41st Wettest
Wettest since:
2019
Jun 1903–Mar 1904
10-Month
25.02"
(635.51mm)
25.15"
(638.81mm)
-0.13"
(-3.30mm)
59th Driest
Driest since:
1956
69th Wettest
Wettest since:
2019
May 1903–Mar 1904
11-Month
33.57"
(852.68mm)
29.19"
(741.43mm)
4.38"
(111.25mm)
103rd Driest
Driest since:
1956
25th Wettest
Wettest since:
2019
Apr 1903–Mar 1904
12-Month
36.55"
(928.37mm)
32.14"
(816.36mm)
4.41"
(112.01mm)
97th Driest
Driest since:
1956
31st Wettest
Wettest since:
2019
Oct 1902–Mar 1904
18-Month
45.86"
(1,164.84mm)
41.28"
(1,048.51mm)
4.58"
(116.33mm)
96th Driest
Driest since:
1989
31st Wettest
Wettest since:
1994
Apr 1902–Mar 1904
24-Month
80.08"
(2,034.03mm)
64.26"
(1,632.20mm)
15.82"
(401.83mm)
118th Driest
Driest since:
1957
9th Wettest
Wettest to Date
2020
Apr 1901–Mar 1904
36-Month
103.32"
(2,624.33mm)
96.30"
(2,446.02mm)
7.02"
(178.31mm)
95th Driest
Driest since:
1958
31st Wettest
Wettest to Date
2011
Apr 1900–Mar 1904
48-Month
139.17"
(3,534.92mm)
128.27"
(3,258.06mm)
10.90"
(276.86mm)
97th Driest
Driest since:
1957
28th Wettest
Wettest to Date
2011
Apr 1899–Mar 1904
60-Month
168.82"
(4,288.03mm)
160.30"
(4,071.62mm)
8.52"
(216.41mm)
88th Driest
Driest since:
1957
36th Wettest
Wettest to Date
2020

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