Climate at a Glance

Statewide Rankings

Look up monthly rankings for 1-12, 18, 24, 36, 48, and 60-month time periods using the options below. Data and statistics are as of October 2019. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, May 1989

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1989
1-Month
2.57"
(65.28mm)
4.05"
(102.87mm)
-1.48"
(-37.59mm)
19th Driest Driest since: 1988 1934
107th Wettest Wettest since: 1987 2013
Apr–May 1989
2-Month
4.66"
(118.36mm)
6.99"
(177.55mm)
-2.33"
(-59.19mm)
14th Driest Driest since: 1988 1934
112th Wettest Wettest since: 1987 2013
Mar–May 1989
3-Month
5.56"
(141.22mm)
8.95"
(227.33mm)
-3.39"
(-86.11mm)
10th Driest Driest since: 1988 1934
116th Wettest Wettest since: 1987 2013
Feb–May 1989
4-Month
6.10"
(154.94mm)
9.96"
(252.98mm)
-3.86"
(-98.04mm)
9th Driest Driest since: 1988 1934
117th Wettest Wettest since: 1987 2013
Jan–May 1989
5-Month
7.02"
(178.31mm)
10.94"
(277.88mm)
-3.92"
(-99.57mm)
8th Driest Driest since: 1988 1934
118th Wettest Wettest since: 1987 2013
Dec 1988–May 1989
6-Month
7.82"
(198.63mm)
12.04"
(305.82mm)
-4.22"
(-107.19mm)
8th Driest Driest since: 1988 1934
117th Wettest Wettest since: 1987 2013
Nov 1988–May 1989
7-Month
10.43"
(264.92mm)
13.78"
(350.01mm)
-3.35"
(-85.09mm)
17th Driest Driest since: 1988 1934
108th Wettest Wettest since: 1987 2013
Oct 1988–May 1989
8-Month
11.08"
(281.43mm)
16.10"
(408.94mm)
-5.02"
(-127.51mm)
7th Driest Driest since: 1988 1934
118th Wettest Wettest since: 1987 2019
Sep 1988–May 1989
9-Month
14.69"
(373.13mm)
19.79"
(502.67mm)
-5.10"
(-129.54mm)
10th Driest Driest since: 1988 1934
115th Wettest Wettest since: 1987 2019
Aug 1988–May 1989
10-Month
18.82"
(478.03mm)
23.65"
(600.71mm)
-4.83"
(-122.68mm)
13th Driest Driest since: 1977 1934
112th Wettest Wettest since: 1988 2019
Jul 1988–May 1989
11-Month
21.08"
(535.43mm)
27.54"
(699.52mm)
-6.46"
(-164.09mm)
10th Driest Driest since: 1977 1934
115th Wettest Wettest since: 1988 2019
Jun 1988–May 1989
12-Month
22.80"
(579.12mm)
32.14"
(816.36mm)
-9.34"
(-237.24mm)
4th Driest Driest since: 1977 1934
121st Wettest Wettest since: 1988 2019
Dec 1987–May 1989
18-Month
30.30"
(769.62mm)
44.20"
(1,122.68mm)
-13.90"
(-353.06mm)
2nd Driest Driest since: 1934 1934
122nd Wettest Wettest since: 1988 2019
Jun 1987–May 1989
24-Month
51.71"
(1,313.43mm)
64.29"
(1,632.97mm)
-12.58"
(-319.54mm)
5th Driest Driest since: 1957 1957
119th Wettest Wettest since: 1988 2011
Jun 1986–May 1989
36-Month
87.49"
(2,222.25mm)
96.33"
(2,446.78mm)
-8.84"
(-224.53mm)
15th Driest Driest since: 1977 1958
108th Wettest Wettest since: 1988 2011
Jun 1985–May 1989
48-Month
122.88"
(3,121.15mm)
128.31"
(3,259.07mm)
-5.43"
(-137.92mm)
30th Driest Driest since: 1978 1957
92nd Wettest Wettest since: 1988 2011
Jun 1984–May 1989
60-Month
155.52"
(3,950.21mm)
160.32"
(4,072.13mm)
-4.80"
(-121.92mm)
37th Driest Driest since: 1981 1958
84th Wettest Wettest since: 1988 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 12, 2019 from https://www.ncdc.noaa.gov/cag/