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, December 1948

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
December 1948
1-Month
1.68"
(42.67mm)
1.11"
(28.19mm)
0.57"
(14.48mm)
104th Driest
Driest since:
2002
24th Wettest
Wettest since:
2015
Ties: 1965
Nov–Dec 1948
2-Month
4.40"
(111.76mm)
2.87"
(72.90mm)
1.53"
(38.86mm)
114th Driest
Driest since:
1976
14th Wettest
Wettest since:
2015
Oct–Dec 1948
3-Month
6.32"
(160.53mm)
5.16"
(131.06mm)
1.16"
(29.47mm)
93rd Driest
Driest since:
1910
35th Wettest
Wettest since:
1931
Sep–Dec 1948
4-Month
8.35"
(212.09mm)
8.83"
(224.28mm)
-0.48"
(-12.19mm)
59th Driest
Driest since:
1939, 1976
69th Wettest
Wettest since:
1931
Aug–Dec 1948
5-Month
10.97"
(278.64mm)
12.67"
(321.82mm)
-1.70"
(-43.18mm)
41st Driest
Driest since:
1976
87th Wettest
Wettest since:
2018
Ties: 1989
Jul–Dec 1948
6-Month
15.26"
(387.60mm)
16.52"
(419.61mm)
-1.26"
(-32.01mm)
49th Driest
Driest since:
1976
79th Wettest
Wettest since:
2018
Jun–Dec 1948
7-Month
18.79"
(477.27mm)
21.15"
(537.21mm)
-2.36"
(-59.94mm)
42nd Driest
Driest since:
1976
86th Wettest
Wettest since:
2018
May–Dec 1948
8-Month
21.10"
(535.94mm)
25.20"
(640.08mm)
-4.10"
(-104.14mm)
22nd Driest
Driest since:
1976
106th Wettest
Wettest since:
1993
Apr–Dec 1948
9-Month
23.76"
(603.50mm)
28.15"
(715.01mm)
-4.39"
(-111.51mm)
20th Driest
Driest since:
1910
108th Wettest
Wettest since:
1993
Mar–Dec 1948
10-Month
26.27"
(667.26mm)
30.10"
(764.54mm)
-3.83"
(-97.28mm)
27th Driest
Driest since:
1910
101st Wettest
Wettest since:
1993
Feb–Dec 1948
11-Month
28.14"
(714.76mm)
31.12"
(790.45mm)
-2.98"
(-75.69mm)
31st Driest
Driest since:
1910
97th Wettest
Wettest since:
1993
Jan–Dec 1948
12-Month
28.52"
(724.41mm)
32.09"
(815.09mm)
-3.57"
(-90.68mm)
28th Driest
Driest since:
1910
100th Wettest
Wettest since:
1993
Jul 1947–Dec 1948
18-Month
40.84"
(1,037.34mm)
48.69"
(1,236.73mm)
-7.85"
(-199.39mm)
12th Driest
Driest since:
1956
115th Wettest
Wettest since:
1993
Jan 1947–Dec 1948
24-Month
62.96"
(1,599.18mm)
64.24"
(1,631.70mm)
-1.28"
(-32.52mm)
52nd Driest
Driest since:
1989
75th Wettest
Wettest since:
2019
Jan 1946–Dec 1948
36-Month
97.82"
(2,484.63mm)
96.36"
(2,447.54mm)
1.46"
(37.09mm)
69th Driest
Driest since:
1957
57th Wettest
Wettest since:
2010
Jan 1945–Dec 1948
48-Month
132.03"
(3,353.56mm)
128.37"
(3,260.60mm)
3.66"
(92.96mm)
80th Driest
Driest since:
1958
45th Wettest
Wettest since:
2010
Jan 1944–Dec 1948
60-Month
168.69"
(4,284.73mm)
160.36"
(4,073.14mm)
8.33"
(211.59mm)
89th Driest
Driest since:
1956
35th Wettest
Wettest since:
2010

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