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 1979

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 1979
1-Month
2.91"
(73.91mm)
4.05"
(102.87mm)
-1.14"
(-28.96mm)
31st Driest Driest since: 1977 1934
95th Wettest Wettest since: 1978 2013
Ties: 1931
Apr–May 1979
2-Month
5.96"
(151.38mm)
6.99"
(177.55mm)
-1.03"
(-26.17mm)
43rd Driest Driest since: 1977 1934
83rd Wettest Wettest since: 1978 2013
Mar–May 1979
3-Month
9.70"
(246.38mm)
8.95"
(227.33mm)
0.75"
(19.05mm)
78th Driest Driest since: 1978 1934
48th Wettest Wettest since: 1976 2013
Feb–May 1979
4-Month
10.22"
(259.59mm)
9.96"
(252.98mm)
0.26"
(6.61mm)
71st Driest Driest since: 1978 1934
55th Wettest Wettest since: 1976 2013
Ties: 1950
Jan–May 1979
5-Month
11.88"
(301.75mm)
10.94"
(277.88mm)
0.94"
(23.87mm)
84th Driest Driest since: 1978 1934
42nd Wettest Wettest since: 1976 2013
Dec 1978–May 1979
6-Month
12.90"
(327.66mm)
12.04"
(305.82mm)
0.86"
(21.84mm)
76th Driest Driest since: 1978 1934
49th Wettest Wettest since: 1976 2013
Nov 1978–May 1979
7-Month
15.31"
(388.87mm)
13.78"
(350.01mm)
1.53"
(38.86mm)
81st Driest Driest since: 1978 1934
44th Wettest Wettest since: 1976 2013
Ties: 1913
Oct 1978–May 1979
8-Month
16.62"
(422.15mm)
16.10"
(408.94mm)
0.52"
(13.21mm)
67th Driest Driest since: 1977 1934
58th Wettest Wettest since: 1978 2019
Sep 1978–May 1979
9-Month
22.13"
(562.10mm)
19.79"
(502.67mm)
2.34"
(59.43mm)
86th Driest Driest since: 1978 1934
39th Wettest Wettest since: 1974 2019
Aug 1978–May 1979
10-Month
25.42"
(645.67mm)
23.65"
(600.71mm)
1.77"
(44.96mm)
82nd Driest Driest since: 1977 1934
43rd Wettest Wettest since: 1978 2019
Jul 1978–May 1979
11-Month
31.29"
(794.77mm)
27.54"
(699.52mm)
3.75"
(95.25mm)
97th Driest Driest since: 1977 1934
28th Wettest Wettest since: 1978 2019
Jun 1978–May 1979
12-Month
35.54"
(902.72mm)
32.14"
(816.36mm)
3.40"
(86.36mm)
89th Driest Driest since: 1977 1934
36th Wettest Wettest since: 1978 2019
Dec 1977–May 1979
18-Month
47.08"
(1,195.83mm)
44.20"
(1,122.68mm)
2.88"
(73.15mm)
81st Driest Driest since: 1977 1934
43rd Wettest Wettest since: 1978 2019
Ties: 2013
Jun 1977–May 1979
24-Month
72.40"
(1,838.96mm)
64.29"
(1,632.97mm)
8.11"
(205.99mm)
102nd Driest Driest since: 1978 1957
22nd Wettest Wettest since: 1974 2011
Jun 1976–May 1979
36-Month
93.30"
(2,369.82mm)
96.33"
(2,446.78mm)
-3.03"
(-76.96mm)
49th Driest Driest since: 1978 1958
74th Wettest Wettest since: 1976 2011
Jun 1975–May 1979
48-Month
124.35"
(3,158.49mm)
128.31"
(3,259.07mm)
-3.96"
(-100.58mm)
37th Driest Driest since: 1978 1957
85th Wettest Wettest since: 1976 2011
Jun 1974–May 1979
60-Month
155.06"
(3,938.52mm)
160.32"
(4,072.13mm)
-5.26"
(-133.61mm)
36th Driest Driest since: 1968 1958
85th Wettest Wettest since: 1978 2019

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published November 2019, retrieved on November 20, 2019 from https://www.ncdc.noaa.gov/cag/