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 January 2020. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, September 1948

View Period (Months):All1234567891011121824364860
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  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2019)
Wettest/Driest
Since
Record
September 1948
1-Month
2.03"
(51.56mm)
3.67"
(93.22mm)
-1.64"
(-41.66mm)
22nd Driest Driest since: 1940 1939
104th Wettest Wettest since: 1947 1965
Aug–Sep 1948
2-Month
4.65"
(118.11mm)
7.51"
(190.75mm)
-2.86"
(-72.64mm)
13th Driest Driest since: 1947 1976
113th Wettest Wettest since: 1946 2018
Jul–Sep 1948
3-Month
8.94"
(227.08mm)
11.36"
(288.54mm)
-2.42"
(-61.46mm)
29th Driest Driest since: 1947 2013
97th Wettest Wettest since: 1946 1993
Jun–Sep 1948
4-Month
12.47"
(316.74mm)
16.00"
(406.40mm)
-3.53"
(-89.66mm)
17th Driest Driest since: 1937 2012
109th Wettest Wettest since: 1947 1993
May–Sep 1948
5-Month
14.78"
(375.41mm)
20.04"
(509.02mm)
-5.26"
(-133.61mm)
8th Driest Driest since: 1901 1976
118th Wettest Wettest since: 1947 1993
Apr–Sep 1948
6-Month
17.44"
(442.98mm)
22.99"
(583.95mm)
-5.55"
(-140.97mm)
9th Driest Driest since: 1934 1988
117th Wettest Wettest since: 1947 1993
Mar–Sep 1948
7-Month
19.95"
(506.73mm)
24.94"
(633.48mm)
-4.99"
(-126.75mm)
12th Driest Driest since: 1939 1988
114th Wettest Wettest since: 1947 1993
Ties: 1976
Feb–Sep 1948
8-Month
21.82"
(554.23mm)
25.96"
(659.38mm)
-4.14"
(-105.15mm)
19th Driest Driest since: 1939 1988
107th Wettest Wettest since: 1947 1993
Jan–Sep 1948
9-Month
22.20"
(563.88mm)
26.93"
(684.02mm)
-4.73"
(-120.14mm)
16th Driest Driest since: 1939 1988
110th Wettest Wettest since: 1947 1993
Dec 1947–Sep 1948
10-Month
23.65"
(600.71mm)
28.04"
(712.22mm)
-4.39"
(-111.51mm)
17th Driest Driest since: 1939 1988
108th Wettest Wettest since: 1947 1993
Nov 1947–Sep 1948
11-Month
25.53"
(648.46mm)
29.78"
(756.41mm)
-4.25"
(-107.95mm)
19th Driest Driest since: 1940 1934
106th Wettest Wettest since: 1947 1993
Oct 1947–Sep 1948
12-Month
29.27"
(743.46mm)
32.09"
(815.09mm)
-2.82"
(-71.63mm)
36th Driest Driest since: 1940 1934
89th Wettest Wettest since: 1947 1993
Apr 1947–Sep 1948
18-Month
53.56"
(1,360.42mm)
55.13"
(1,400.30mm)
-1.57"
(-39.88mm)
49th Driest Driest since: 1941 1934
76th Wettest Wettest since: 1947 1993
Oct 1946–Sep 1948
24-Month
62.30"
(1,582.42mm)
64.26"
(1,632.20mm)
-1.96"
(-49.78mm)
50th Driest Driest since: 1941 1956
74th Wettest Wettest since: 1947 1993
Oct 1945–Sep 1948
36-Month
95.08"
(2,415.03mm)
96.36"
(2,447.54mm)
-1.28"
(-32.51mm)
56th Driest Driest since: 1941 1957
67th Wettest Wettest since: 1947 2010
Oct 1944–Sep 1948
48-Month
129.63"
(3,292.60mm)
128.36"
(3,260.34mm)
1.27"
(32.26mm)
64th Driest Driest since: 1942 1958
58th Wettest Wettest since: 1947 2010
Oct 1943–Sep 1948
60-Month
165.58"
(4,205.73mm)
160.34"
(4,072.64mm)
5.24"
(133.09mm)
76th Driest Driest since: 1943 1957
45th Wettest Wettest since: 1947 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published February 2020, retrieved on February 19, 2020 from https://www.ncdc.noaa.gov/cag/