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 May 2022. For more information, please see Climatological Rankings.
Iowa
Precipitation Rankings, September 1947
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
September 1947 1-Month |
2.10" (53.34mm) | 3.67" (93.22mm) |
-1.57" (-39.88mm) | 28th Driest | Driest since: 1940 | 1939 |
| 100th Wettest | Wettest since: 1946 | 1965 | ||||
| Ties: 1932 | ||||||
|
Aug–Sep 1947 2-Month |
3.60" (91.44mm) | 7.51" (190.75mm) |
-3.91" (-99.31mm) | 5th Driest | Driest to Date | 1976 |
| 123rd Wettest | Wettest since: 1946 | 2018 | ||||
|
Jul–Sep 1947 3-Month |
5.25" (133.35mm) | 11.36" (288.54mm) |
-6.11" (-155.19mm) | 2nd Driest | Driest to Date | 2013 |
| 126th Wettest | Wettest since: 1946 | 1993 | ||||
|
Jun–Sep 1947 4-Month |
15.15" (384.81mm) | 16.00" (406.40mm) |
-0.85" (-21.59mm) | 58th Driest | Driest since: 1945 | 2012 |
| 70th Wettest | Wettest since: 1946 | 1993 | ||||
| Ties: 1908 | ||||||
|
May–Sep 1947 5-Month |
19.38" (492.25mm) | 20.04" (509.02mm) |
-0.66" (-16.77mm) | 60th Driest | Driest since: 1940 | 1976 |
| 68th Wettest | Wettest since: 1946 | 1993 | ||||
|
Apr–Sep 1947 6-Month |
24.29" (616.97mm) | 22.99" (583.95mm) |
1.30" (33.02mm) | 80th Driest | Driest since: 1946 | 1988 |
| 48th Wettest | Wettest since: 1945 | 1993 | ||||
|
Mar–Sep 1947 7-Month |
25.64" (651.26mm) | 24.94" (633.48mm) |
0.70" (17.78mm) | 70th Driest | Driest since: 1941 | 1988 |
| 58th Wettest | Wettest since: 1946 | 1993 | ||||
|
Feb–Sep 1947 8-Month |
25.94" (658.88mm) | 25.96" (659.38mm) |
-0.02" (-0.50mm) | 64th Driest | Driest since: 1941 | 1988 |
| 64th Wettest | Wettest since: 1946 | 1993 | ||||
|
Jan–Sep 1947 9-Month |
27.37" (695.20mm) | 26.93" (684.02mm) |
0.44" (11.18mm) | 71st Driest | Driest since: 1941 | 1988 |
| 57th Wettest | Wettest since: 1946 | 1993 | ||||
|
Dec 1946–Sep 1947 10-Month |
27.99" (710.95mm) | 28.04" (712.22mm) |
-0.05" (-1.27mm) | 62nd Driest | Driest since: 1940 | 1988 |
| 65th Wettest | Wettest since: 1946 | 1993 | ||||
|
Nov 1946–Sep 1947 11-Month |
29.72" (754.89mm) | 29.78" (756.41mm) |
-0.06" (-1.52mm) | 65th Driest | Driest since: 1940 | 1934 |
| 62nd Wettest | Wettest since: 1946 | 1993 | ||||
| Ties: 1926 | ||||||
|
Oct 1946–Sep 1947 12-Month |
33.03" (838.96mm) | 32.09" (815.09mm) |
0.94" (23.87mm) | 74th Driest | Driest since: 1946 | 1934 |
| 53rd Wettest | Wettest since: 1945 | 1993 | ||||
|
Apr 1946–Sep 1947 18-Month |
56.04" (1,423.42mm) | 55.13" (1,400.30mm) |
0.91" (23.12mm) | 68th Driest | Driest since: 1941 | 1934 |
| 59th Wettest | Wettest since: 1946 | 1993 | ||||
|
Oct 1945–Sep 1947 24-Month |
65.81" (1,671.57mm) | 64.26" (1,632.20mm) |
1.55" (39.37mm) | 71st Driest | Driest since: 1941 | 1956 |
| 55th Wettest | Wettest since: 1946 | 1993 | ||||
|
Oct 1944–Sep 1947 36-Month |
100.36" (2,549.14mm) | 96.36" (2,447.54mm) |
4.00" (101.60mm) | 83rd Driest | Driest since: 1942 | 1957 |
| 42nd Wettest | Wettest since: 1946 | 2010 | ||||
|
Oct 1943–Sep 1947 48-Month |
136.31" (3,462.27mm) | 128.36" (3,260.34mm) |
7.95" (201.93mm) | 92nd Driest | Driest since: 1946 | 1958 |
| 32nd Wettest | Wettest since: 1945 | 2010 | ||||
|
Oct 1942–Sep 1947 60-Month |
168.93" (4,290.82mm) | 160.34" (4,072.64mm) |
8.59" (218.18mm) | 90th Driest | Driest since: 1944 | 1957 |
| 33rd Wettest | Wettest since: 1946 | 2010 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published June 2022, retrieved on July 6, 2022 from https://www.ncei.noaa.gov/cag/