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, January 1990

View Period (Months):
Download: csv json xml
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2022)
Wettest/Driest
Since
Record
January 1990
1-Month
0.88"
(22.35mm)
0.98"
(24.89mm)
-0.10"
(-2.54mm)
66th Driest
Driest since:
1981
63rd Wettest
Wettest since:
1949
Dec 1989–Jan 1990
2-Month
1.24"
(31.50mm)
2.08"
(52.83mm)
-0.84"
(-21.33mm)
20th Driest
Driest since:
2003
108th Wettest
Wettest since:
2016
Ties: 1911
Nov 1989–Jan 1990
3-Month
1.51"
(38.35mm)
3.82"
(97.03mm)
-2.31"
(-58.68mm)
4th Driest
Driest since:
2003
124th Wettest
Wettest since:
1932
Oct 1989–Jan 1990
4-Month
3.43"
(87.12mm)
6.13"
(155.70mm)
-2.70"
(-68.58mm)
11th Driest
Driest since:
1911
117th Wettest
Wettest since:
1932
Sep 1989–Jan 1990
5-Month
8.27"
(210.06mm)
9.83"
(249.68mm)
-1.56"
(-39.62mm)
42nd Driest
Driest since:
1977
86th Wettest
Wettest since:
1932
Aug 1989–Jan 1990
6-Month
11.85"
(300.99mm)
13.69"
(347.73mm)
-1.84"
(-46.74mm)
39th Driest
Driest since:
1977
89th Wettest
Wettest since:
2019
Jul 1989–Jan 1990
7-Month
15.19"
(385.83mm)
17.57"
(446.28mm)
-2.38"
(-60.45mm)
36th Driest
Driest since:
1977
92nd Wettest
Wettest since:
2019
Jun 1989–Jan 1990
8-Month
18.55"
(471.17mm)
22.18"
(563.37mm)
-3.63"
(-92.20mm)
25th Driest
Driest since:
1977
103rd Wettest
Wettest since:
2019
May 1989–Jan 1990
9-Month
21.12"
(536.45mm)
26.22"
(665.99mm)
-5.10"
(-129.54mm)
16th Driest
Driest since:
1977
112th Wettest
Wettest since:
1994
Apr 1989–Jan 1990
10-Month
23.21"
(589.53mm)
29.17"
(740.92mm)
-5.96"
(-151.39mm)
13th Driest
Driest since:
1911
115th Wettest
Wettest since:
1994
Mar 1989–Jan 1990
11-Month
24.11"
(612.39mm)
31.14"
(790.96mm)
-7.03"
(-178.57mm)
9th Driest
Driest since:
1911
119th Wettest
Wettest since:
1994
Feb 1989–Jan 1990
12-Month
24.65"
(626.11mm)
32.15"
(816.61mm)
-7.50"
(-190.50mm)
8th Driest
Driest since:
1911
120th Wettest
Wettest since:
1994
Aug 1988–Jan 1990
18-Month
37.37"
(949.20mm)
45.86"
(1,164.84mm)
-8.49"
(-215.64mm)
6th Driest
Driest since:
1957
121st Wettest
Wettest since:
2020
Feb 1988–Jan 1990
24-Month
46.29"
(1,175.77mm)
64.28"
(1,632.71mm)
-17.99"
(-456.94mm)
1st Driest
Driest since:
1990
126th Wettest
Wettest since:
2020
Feb 1987–Jan 1990
36-Month
79.58"
(2,021.33mm)
96.29"
(2,445.77mm)
-16.71"
(-424.44mm)
3rd Driest
Driest since:
1958
123rd Wettest
Wettest since:
2011
Feb 1986–Jan 1990
48-Month
119.58"
(3,037.33mm)
128.27"
(3,258.06mm)
-8.69"
(-220.73mm)
20th Driest
Driest since:
1959
105th Wettest
Wettest since:
2011
Feb 1985–Jan 1990
60-Month
150.31"
(3,817.87mm)
160.30"
(4,071.62mm)
-9.99"
(-253.75mm)
18th Driest
Driest since:
1957
106th Wettest
Wettest since:
2011

Citing This Page