Divisional Rankings

Divisional 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, Climate Division 9. Southeast

Precipitation Rankings, December 1989

View Period (Months):
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
December 1989
1-Month
0.61"
(15.49mm)
1.51"
(38.35mm)
-0.90"
(-22.86mm)
17th Driest
Driest since:
1976
112th Wettest
Wettest since:
2015
Ties: 2002
Nov–Dec 1989
2-Month
0.72"
(18.29mm)
3.62"
(91.95mm)
-2.90"
(-73.66mm)
3rd Driest
Driest since:
1976
126th Wettest
Wettest since:
2015
Oct–Dec 1989
3-Month
2.60"
(66.04mm)
6.23"
(158.24mm)
-3.63"
(-92.20mm)
4th Driest
Driest since:
1910
125th Wettest
Wettest since:
1941
Sep–Dec 1989
4-Month
7.69"
(195.33mm)
10.15"
(257.81mm)
-2.46"
(-62.48mm)
37th Driest
Driest since:
1950
92nd Wettest
Wettest since:
1961
Aug–Dec 1989
5-Month
12.43"
(315.72mm)
13.87"
(352.30mm)
-1.44"
(-36.58mm)
50th Driest
Driest since:
1953
79th Wettest
Wettest since:
1970
Jul–Dec 1989
6-Month
15.68"
(398.27mm)
17.85"
(453.39mm)
-2.17"
(-55.12mm)
43rd Driest
Driest since:
1953
86th Wettest
Wettest since:
1902
Jun–Dec 1989
7-Month
19.48"
(494.79mm)
22.46"
(570.48mm)
-2.98"
(-75.69mm)
38th Driest
Driest since:
1953
91st Wettest
Wettest since:
1902
May–Dec 1989
8-Month
22.89"
(581.41mm)
26.50"
(673.10mm)
-3.61"
(-91.69mm)
37th Driest
Driest since:
1953
92nd Wettest
Wettest since:
2010
Apr–Dec 1989
9-Month
25.51"
(647.95mm)
29.84"
(757.94mm)
-4.33"
(-109.99mm)
37th Driest
Driest since:
1953
92nd Wettest
Wettest since:
2010
Mar–Dec 1989
10-Month
26.34"
(669.04mm)
32.19"
(817.63mm)
-5.85"
(-148.59mm)
20th Driest
Driest since:
1901
109th Wettest
Wettest since:
2010
Feb–Dec 1989
11-Month
27.21"
(691.13mm)
33.42"
(848.87mm)
-6.21"
(-157.74mm)
17th Driest
Driest since:
1901
112th Wettest
Wettest since:
2010
Jan–Dec 1989
12-Month
28.16"
(715.26mm)
34.75"
(882.65mm)
-6.59"
(-167.39mm)
17th Driest
Driest since:
1901
112th Wettest
Wettest since:
2010
Jul 1988–Dec 1989
18-Month
41.12"
(1,044.45mm)
52.63"
(1,336.80mm)
-11.51"
(-292.35mm)
9th Driest
Driest since:
1956
119th Wettest
Wettest since:
2010
Jan 1988–Dec 1989
24-Month
48.55"
(1,233.17mm)
69.50"
(1,765.30mm)
-20.95"
(-532.13mm)
1st Driest
Driest since:
1989
127th Wettest
Wettest since:
2010
Jan 1987–Dec 1989
36-Month
78.69"
(1,998.73mm)
104.23"
(2,647.44mm)
-25.54"
(-648.71mm)
1st Driest
Driest since:
1989
126th Wettest
Wettest since:
2010
Jan 1986–Dec 1989
48-Month
121.41"
(3,083.81mm)
138.86"
(3,527.04mm)
-17.45"
(-443.23mm)
8th Driest
Driest since:
1956
118th Wettest
Wettest since:
2010
Jan 1985–Dec 1989
60-Month
157.92"
(4,011.17mm)
173.41"
(4,404.61mm)
-15.49"
(-393.44mm)
11th Driest
Driest since:
1956
114th Wettest
Wettest since:
2011

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