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 1997

View Period (Months):All1234567891011121824364860
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  • Record Driest
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
May 1997
1-Month
4.03"
(102.36mm)
4.05"
(102.87mm)
-0.02"
(-0.51mm)
66th Driest Driest since: 1994 1934
60th Wettest Wettest since: 1996 2013
Apr–May 1997
2-Month
6.66"
(169.16mm)
6.99"
(177.55mm)
-0.33"
(-8.39mm)
51st Driest Driest since: 1994 1934
75th Wettest Wettest since: 1996 2013
Mar–May 1997
3-Month
7.98"
(202.69mm)
8.95"
(227.33mm)
-0.97"
(-24.64mm)
40th Driest Driest since: 1994 1934
86th Wettest Wettest since: 1996 2013
Feb–May 1997
4-Month
9.66"
(245.36mm)
9.96"
(252.98mm)
-0.30"
(-7.62mm)
51st Driest Driest since: 1994 1934
75th Wettest Wettest since: 1996 2013
Jan–May 1997
5-Month
10.62"
(269.75mm)
10.94"
(277.88mm)
-0.32"
(-8.13mm)
54th Driest Driest since: 1994 1934
72nd Wettest Wettest since: 1996 2013
Ties: 2015
Dec 1996–May 1997
6-Month
11.49"
(291.85mm)
12.04"
(305.82mm)
-0.55"
(-13.97mm)
48th Driest Driest since: 1994 1934
77th Wettest Wettest since: 1996 2013
Nov 1996–May 1997
7-Month
14.14"
(359.16mm)
13.78"
(350.01mm)
0.36"
(9.15mm)
61st Driest Driest since: 1994 1934
64th Wettest Wettest since: 1996 2013
Ties: 2006
Oct 1996–May 1997
8-Month
16.88"
(428.75mm)
16.10"
(408.94mm)
0.78"
(19.81mm)
71st Driest Driest since: 1996 1934
54th Wettest Wettest since: 1995 2019
Sep 1996–May 1997
9-Month
19.76"
(501.90mm)
19.79"
(502.67mm)
-0.03"
(-0.77mm)
62nd Driest Driest since: 1996 1934
63rd Wettest Wettest since: 1995 2019
Aug 1996–May 1997
10-Month
23.55"
(598.17mm)
23.65"
(600.71mm)
-0.10"
(-2.54mm)
60th Driest Driest since: 1996 1934
65th Wettest Wettest since: 1995 2019
Jul 1996–May 1997
11-Month
26.75"
(679.45mm)
27.54"
(699.52mm)
-0.79"
(-20.07mm)
57th Driest Driest since: 1996 1934
68th Wettest Wettest since: 1995 2019
Jun 1996–May 1997
12-Month
31.82"
(808.23mm)
32.14"
(816.36mm)
-0.32"
(-8.13mm)
60th Driest Driest since: 1996 1934
65th Wettest Wettest since: 1995 2019
Dec 1995–May 1997
18-Month
44.68"
(1,134.87mm)
44.20"
(1,122.68mm)
0.48"
(12.19mm)
58th Driest Driest since: 1990 1934
66th Wettest Wettest since: 1996 2019
Jun 1995–May 1997
24-Month
62.05"
(1,576.07mm)
64.29"
(1,632.97mm)
-2.24"
(-56.90mm)
43rd Driest Driest since: 1990 1957
81st Wettest Wettest since: 1996 2011
Jun 1994–May 1997
36-Month
99.19"
(2,519.43mm)
96.33"
(2,446.78mm)
2.86"
(72.65mm)
76th Driest Driest since: 1991 1958
47th Wettest Wettest since: 1996 2011
Jun 1993–May 1997
48-Month
139.64"
(3,546.86mm)
128.31"
(3,259.07mm)
11.33"
(287.79mm)
95th Driest Driest since: 1992 1957
27th Wettest Wettest since: 1996 2011
Jun 1992–May 1997
60-Month
180.33"
(4,580.38mm)
160.32"
(4,072.13mm)
20.01"
(508.25mm)
110th Driest Driest since: 1996 1958
11th Wettest Wettest since: 1995 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 13, 2019 from https://www.ncdc.noaa.gov/cag/