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, February 1971

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
February 1971
1-Month
2.42"
(61.47mm)
1.02"
(25.91mm)
1.40"
(35.56mm)
126th Driest
Driest since:
1970
3rd Wettest
Wettest since:
1915
Ties: 1951
Jan–Feb 1971
2-Month
3.51"
(89.15mm)
1.99"
(50.55mm)
1.52"
(38.60mm)
123rd Driest
Driest since:
1970
6th Wettest
Wettest since:
1915
Dec 1970–Feb 1971
3-Month
4.63"
(117.60mm)
3.09"
(78.49mm)
1.54"
(39.11mm)
113th Driest
Driest since:
1964
15th Wettest
Wettest since:
2016
Nov 1970–Feb 1971
4-Month
6.32"
(160.53mm)
4.84"
(122.94mm)
1.48"
(37.59mm)
108th Driest
Driest since:
1977
20th Wettest
Wettest since:
1932
Oct 1970–Feb 1971
5-Month
10.38"
(263.65mm)
7.15"
(181.61mm)
3.23"
(82.04mm)
116th Driest
Driest since:
1977
12th Wettest
Wettest since:
1932
Sep 1970–Feb 1971
6-Month
16.48"
(418.59mm)
10.85"
(275.59mm)
5.63"
(143.00mm)
122nd Driest
Driest since:
1977
6th Wettest
Wettest since:
1932
Aug 1970–Feb 1971
7-Month
20.46"
(519.68mm)
14.71"
(373.63mm)
5.75"
(146.05mm)
120th Driest
Driest since:
1977
8th Wettest
Wettest since:
2019
Jul 1970–Feb 1971
8-Month
24.00"
(609.60mm)
18.59"
(472.19mm)
5.41"
(137.41mm)
112th Driest
Driest since:
1977
16th Wettest
Wettest since:
2019
Jun 1970–Feb 1971
9-Month
27.13"
(689.10mm)
23.19"
(589.03mm)
3.94"
(100.07mm)
104th Driest
Driest since:
1977
24th Wettest
Wettest since:
2019
May 1970–Feb 1971
10-Month
32.08"
(814.83mm)
27.24"
(691.90mm)
4.84"
(122.93mm)
105th Driest
Driest since:
1977
23rd Wettest
Wettest since:
2019
Apr 1970–Feb 1971
11-Month
34.39"
(873.51mm)
30.19"
(766.83mm)
4.20"
(106.68mm)
99th Driest
Driest since:
1977
29th Wettest
Wettest since:
1994
Mar 1970–Feb 1971
12-Month
36.59"
(929.39mm)
32.15"
(816.61mm)
4.44"
(112.78mm)
97th Driest
Driest since:
1989
31st Wettest
Wettest since:
1994
Sep 1969–Feb 1971
18-Month
44.71"
(1,135.63mm)
43.01"
(1,092.45mm)
1.70"
(43.18mm)
77th Driest
Driest since:
1957
50th Wettest
Wettest since:
1994
Mar 1969–Feb 1971
24-Month
69.06"
(1,754.12mm)
64.28"
(1,632.71mm)
4.78"
(121.41mm)
90th Driest
Driest since:
1957
37th Wettest
Wettest since:
2020
Mar 1968–Feb 1971
36-Month
103.81"
(2,636.77mm)
96.29"
(2,445.77mm)
7.52"
(191.00mm)
99th Driest
Driest since:
1958
27th Wettest
Wettest since:
2011
Mar 1967–Feb 1971
48-Month
133.02"
(3,378.71mm)
128.28"
(3,258.31mm)
4.74"
(120.40mm)
80th Driest
Driest since:
1959
45th Wettest
Wettest since:
2011
Mar 1966–Feb 1971
60-Month
158.38"
(4,022.85mm)
160.31"
(4,071.87mm)
-1.93"
(-49.02mm)
51st Driest
Driest since:
1957
73rd Wettest
Wettest since:
2011

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