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, November 1921

View Period (Months):
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
November 1921
1-Month
0.58"
(14.73mm)
1.75"
(44.45mm)
-1.17"
(-29.72mm)
21st Driest
Driest since:
1976
107th Wettest
Wettest since:
1931
Oct–Nov 1921
2-Month
2.54"
(64.52mm)
4.04"
(102.62mm)
-1.50"
(-38.10mm)
26th Driest
Driest since:
1910
102nd Wettest
Wettest since:
1931
Ties: 1958
Sep–Nov 1921
3-Month
9.23"
(234.44mm)
7.71"
(195.83mm)
1.52"
(38.61mm)
93rd Driest
Driest since:
1953
35th Wettest
Wettest since:
1931
Ties: 1978
Aug–Nov 1921
4-Month
14.25"
(361.95mm)
11.55"
(293.37mm)
2.70"
(68.58mm)
104th Driest
Driest since:
1976
24th Wettest
Wettest since:
2018
Jul–Nov 1921
5-Month
16.84"
(427.74mm)
15.41"
(391.41mm)
1.43"
(36.33mm)
85th Driest
Driest since:
1976
43rd Wettest
Wettest since:
1993
Jun–Nov 1921
6-Month
20.47"
(519.94mm)
20.04"
(509.02mm)
0.43"
(10.92mm)
70th Driest
Driest since:
1976
58th Wettest
Wettest since:
1993
May–Nov 1921
7-Month
24.77"
(629.16mm)
24.09"
(611.89mm)
0.68"
(17.27mm)
68th Driest
Driest since:
1976
60th Wettest
Wettest since:
1993
Apr–Nov 1921
8-Month
28.14"
(714.76mm)
27.03"
(686.56mm)
1.11"
(28.20mm)
72nd Driest
Driest since:
1910
56th Wettest
Wettest since:
1993
Mar–Nov 1921
9-Month
29.73"
(755.14mm)
28.99"
(736.35mm)
0.74"
(18.79mm)
72nd Driest
Driest since:
1910
56th Wettest
Wettest since:
1993
Feb–Nov 1921
10-Month
30.48"
(774.19mm)
30.00"
(762.00mm)
0.48"
(12.19mm)
72nd Driest
Driest since:
1910
56th Wettest
Wettest since:
1993
Jan–Nov 1921
11-Month
30.96"
(786.38mm)
30.98"
(786.89mm)
-0.02"
(-0.51mm)
67th Driest
Driest since:
1910
61st Wettest
Wettest since:
1993
Dec 1920–Nov 1921
12-Month
32.14"
(816.36mm)
32.08"
(814.83mm)
0.06"
(1.53mm)
66th Driest
Driest since:
1910
61st Wettest
Wettest since:
1993
Jun 1920–Nov 1921
18-Month
50.42"
(1,280.67mm)
52.18"
(1,325.37mm)
-1.76"
(-44.70mm)
51st Driest
Driest since:
1956
76th Wettest
Wettest since:
2019
Dec 1919–Nov 1921
24-Month
62.59"
(1,589.79mm)
64.24"
(1,631.70mm)
-1.65"
(-41.91mm)
52nd Driest
Driest since:
1956
74th Wettest
Wettest since:
2019
Dec 1918–Nov 1921
36-Month
99.65"
(2,531.11mm)
96.35"
(2,447.29mm)
3.30"
(83.82mm)
75th Driest
Driest since:
1957
50th Wettest
Wettest since:
2010
Dec 1917–Nov 1921
48-Month
131.51"
(3,340.35mm)
128.38"
(3,260.85mm)
3.13"
(79.50mm)
78th Driest
Driest since:
1958
46th Wettest
Wettest since:
2010
Dec 1916–Nov 1921
60-Month
159.60"
(4,053.84mm)
160.36"
(4,073.14mm)
-0.76"
(-19.30mm)
57th Driest
Driest since:
1956
66th Wettest
Wettest since:
2010

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