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 July 2022. For more information, please see Climatological Rankings.


Iowa

Precipitation Rankings, September 1957

View Period (Months):All1234567891011121824364860
Download: xml csv json
  • Record Driest
  • Bottom 1/10
  • Bottom 1/3
  • Normal
  • Top 1/3
  • Top 1/10
  • Record Wettest
Period Value 1901-2000
Mean
Anomaly Rank
(1895-2021)
Wettest/Driest
Since
Record
September 1957
1-Month
2.70"
(68.58mm)
3.67"
(93.22mm)
-0.97"
(-24.64mm)
47th Driest Driest since: 1956 1939
81st Wettest Wettest since: 1955 1965
Aug–Sep 1957
2-Month
6.45"
(163.83mm)
7.51"
(190.75mm)
-1.06"
(-26.92mm)
48th Driest Driest since: 1956 1976
80th Wettest Wettest since: 1954 2018
Jul–Sep 1957
3-Month
10.08"
(256.03mm)
11.36"
(288.54mm)
-1.28"
(-32.51mm)
44th Driest Driest since: 1955 2013
84th Wettest Wettest since: 1956 1993
Jun–Sep 1957
4-Month
14.85"
(377.19mm)
16.00"
(406.40mm)
-1.15"
(-29.21mm)
50th Driest Driest since: 1956 2012
78th Wettest Wettest since: 1954 1993
May–Sep 1957
5-Month
19.79"
(502.67mm)
20.04"
(509.02mm)
-0.25"
(-6.35mm)
65th Driest Driest since: 1956 1976
63rd Wettest Wettest since: 1954 1993
Apr–Sep 1957
6-Month
22.31"
(566.67mm)
22.99"
(583.95mm)
-0.68"
(-17.28mm)
52nd Driest Driest since: 1956 1988
76th Wettest Wettest since: 1954 1993
Mar–Sep 1957
7-Month
24.19"
(614.43mm)
24.94"
(633.48mm)
-0.75"
(-19.05mm)
55th Driest Driest since: 1956 1988
73rd Wettest Wettest since: 1954 1993
Feb–Sep 1957
8-Month
24.53"
(623.06mm)
25.96"
(659.38mm)
-1.43"
(-36.32mm)
49th Driest Driest since: 1956 1988
79th Wettest Wettest since: 1954 1993
Jan–Sep 1957
9-Month
25.09"
(637.29mm)
26.93"
(684.02mm)
-1.84"
(-46.73mm)
44th Driest Driest since: 1956 1988
84th Wettest Wettest since: 1954 1993
Dec 1956–Sep 1957
10-Month
25.61"
(650.49mm)
28.04"
(712.22mm)
-2.43"
(-61.73mm)
37th Driest Driest since: 1956 1988
90th Wettest Wettest since: 1954 1993
Nov 1956–Sep 1957
11-Month
27.64"
(702.06mm)
29.78"
(756.41mm)
-2.14"
(-54.35mm)
42nd Driest Driest since: 1956 1934
85th Wettest Wettest since: 1954 1993
Ties: 1968
Oct 1956–Sep 1957
12-Month
29.04"
(737.62mm)
32.09"
(815.09mm)
-3.05"
(-77.47mm)
35th Driest Driest since: 1956 1934
92nd Wettest Wettest since: 1954 1993
Apr 1956–Sep 1957
18-Month
47.45"
(1,205.23mm)
55.13"
(1,400.30mm)
-7.68"
(-195.07mm)
14th Driest Driest since: 1956 1934
113th Wettest Wettest since: 1955 1993
Oct 1955–Sep 1957
24-Month
51.58"
(1,310.13mm)
64.26"
(1,632.20mm)
-12.68"
(-322.07mm)
4th Driest Driest since: 1956 1956
122nd Wettest Wettest since: 1955 1993
Oct 1954–Sep 1957
36-Month
77.46"
(1,967.48mm)
96.36"
(2,447.54mm)
-18.90"
(-480.06mm)
1st Driest Driest to Date 1957
124th Wettest Wettest since: 1956 2010
Oct 1953–Sep 1957
48-Month
109.67"
(2,785.62mm)
128.36"
(3,260.34mm)
-18.69"
(-474.72mm)
3rd Driest Driest since: 1956 1958
121st Wettest Wettest since: 1955 2010
Oct 1952–Sep 1957
60-Month
136.24"
(3,460.50mm)
160.34"
(4,072.64mm)
-24.10"
(-612.14mm)
1st Driest Driest to Date 1957
122nd Wettest Wettest since: 1956 2010

Citing This Page

  • NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2022, retrieved on August 12, 2022 from https://www.ncei.noaa.gov/cag/