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 1940

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 1940
1-Month
2.51"
(63.75mm)
1.75"
(44.45mm)
0.76"
(19.30mm)
104th Driest
Driest since:
1976
24th Wettest
Wettest since:
1931
Oct–Nov 1940
2-Month
4.83"
(122.68mm)
4.04"
(102.62mm)
0.79"
(20.06mm)
86th Driest
Driest since:
1910
42nd Wettest
Wettest since:
1931
Sep–Nov 1940
3-Month
5.70"
(144.78mm)
7.71"
(195.83mm)
-2.01"
(-51.05mm)
31st Driest
Driest since:
1953
97th Wettest
Wettest since:
1931
Aug–Nov 1940
4-Month
12.12"
(307.85mm)
11.55"
(293.37mm)
0.57"
(14.48mm)
74th Driest
Driest since:
1976
54th Wettest
Wettest since:
2018
Jul–Nov 1940
5-Month
16.69"
(423.93mm)
15.41"
(391.41mm)
1.28"
(32.52mm)
84th Driest
Driest since:
1976
44th Wettest
Wettest since:
1993
Jun–Nov 1940
6-Month
20.36"
(517.14mm)
20.04"
(509.02mm)
0.32"
(8.12mm)
69th Driest
Driest since:
1976
59th Wettest
Wettest since:
1993
Ties: 1932, 1985
May–Nov 1940
7-Month
22.38"
(568.45mm)
24.09"
(611.89mm)
-1.71"
(-43.44mm)
45th Driest
Driest since:
1976
83rd Wettest
Wettest since:
1993
Apr–Nov 1940
8-Month
25.53"
(648.46mm)
27.03"
(686.56mm)
-1.50"
(-38.10mm)
50th Driest
Driest since:
1910
78th Wettest
Wettest since:
1993
Mar–Nov 1940
9-Month
27.23"
(691.64mm)
28.99"
(736.35mm)
-1.76"
(-44.71mm)
45th Driest
Driest since:
1910
83rd Wettest
Wettest since:
1993
Ties: 1906
Feb–Nov 1940
10-Month
28.34"
(719.84mm)
30.00"
(762.00mm)
-1.66"
(-42.16mm)
47th Driest
Driest since:
1910
81st Wettest
Wettest since:
1993
Jan–Nov 1940
11-Month
29.15"
(740.41mm)
30.98"
(786.89mm)
-1.83"
(-46.48mm)
44th Driest
Driest since:
1910
84th Wettest
Wettest since:
1993
Dec 1939–Nov 1940
12-Month
29.75"
(755.65mm)
32.08"
(814.83mm)
-2.33"
(-59.18mm)
40th Driest
Driest since:
1910
87th Wettest
Wettest since:
1993
Jun 1939–Nov 1940
18-Month
45.35"
(1,151.89mm)
52.18"
(1,325.37mm)
-6.83"
(-173.48mm)
16th Driest
Driest since:
1956
111th Wettest
Wettest since:
2019
Dec 1938–Nov 1940
24-Month
54.34"
(1,380.24mm)
64.24"
(1,631.70mm)
-9.90"
(-251.46mm)
6th Driest
Driest since:
1956
120th Wettest
Wettest since:
2019
Ties: 1988
Dec 1937–Nov 1940
36-Month
90.71"
(2,304.03mm)
96.35"
(2,447.29mm)
-5.64"
(-143.26mm)
32nd Driest
Driest since:
1957
93rd Wettest
Wettest since:
2010
Dec 1936–Nov 1940
48-Month
118.98"
(3,022.09mm)
128.38"
(3,260.85mm)
-9.40"
(-238.76mm)
15th Driest
Driest since:
1958
109th Wettest
Wettest since:
2010
Dec 1935–Nov 1940
60-Month
143.95"
(3,656.33mm)
160.36"
(4,073.14mm)
-16.41"
(-416.81mm)
9th Driest
Driest since:
1956
114th Wettest
Wettest since:
2010

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