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, August 1940
View Period (Months):All1234567891011121824364860
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| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
August 1940 1-Month |
6.42" (163.07mm) | 3.84" (97.54mm) |
2.58" (65.53mm) | 119th Driest | Driest since: 1939 | 1984 |
| 9th Wettest | Wettest since: 1932 | 2007 | ||||
| Ties: 2018 | ||||||
|
Jul–Aug 1940 2-Month |
10.99" (279.15mm) | 7.70" (195.58mm) |
3.29" (83.57mm) | 116th Driest | Driest since: 1939 | 1947 |
| 12th Wettest | Wettest since: 1907 | 1993 | ||||
|
Jun–Aug 1940 3-Month |
14.66" (372.36mm) | 12.33" (313.18mm) |
2.33" (59.18mm) | 99th Driest | Driest since: 1939 | 1927 |
| 29th Wettest | Wettest since: 1932 | 1993 | ||||
|
May–Aug 1940 4-Month |
16.68" (423.67mm) | 16.38" (416.05mm) |
0.30" (7.62mm) | 64th Driest | Driest since: 1939 | 1936 |
| 64th Wettest | Wettest since: 1938 | 1993 | ||||
|
Apr–Aug 1940 5-Month |
19.83" (503.68mm) | 19.32" (490.73mm) |
0.51" (12.95mm) | 66th Driest | Driest since: 1939 | 1936 |
| 62nd Wettest | Wettest since: 1938 | 1993 | ||||
|
Mar–Aug 1940 6-Month |
21.53" (546.86mm) | 21.28" (540.51mm) |
0.25" (6.35mm) | 65th Driest | Driest since: 1939 | 1936 |
| 63rd Wettest | Wettest since: 1938 | 1993 | ||||
|
Feb–Aug 1940 7-Month |
22.64" (575.06mm) | 22.29" (566.17mm) |
0.35" (8.89mm) | 65th Driest | Driest since: 1939 | 1988 |
| 63rd Wettest | Wettest since: 1938 | 1993 | ||||
| Ties: 1899 | ||||||
|
Jan–Aug 1940 8-Month |
23.45" (595.63mm) | 23.27" (591.06mm) |
0.18" (4.57mm) | 63rd Driest | Driest since: 1939 | 1988 |
| 65th Wettest | Wettest since: 1938 | 1993 | ||||
|
Dec 1939–Aug 1940 9-Month |
24.05" (610.87mm) | 24.37" (619.00mm) |
-0.32" (-8.13mm) | 59th Driest | Driest since: 1939 | 1988 |
| 68th Wettest | Wettest since: 1938 | 1993 | ||||
|
Nov 1939–Aug 1940 10-Month |
24.54" (623.32mm) | 26.11" (663.19mm) |
-1.57" (-39.87mm) | 43rd Driest | Driest since: 1939 | 1934 |
| 84th Wettest | Wettest since: 1938 | 1993 | ||||
|
Oct 1939–Aug 1940 11-Month |
26.02" (660.91mm) | 28.42" (721.87mm) |
-2.40" (-60.96mm) | 36th Driest | Driest since: 1939 | 1934 |
| 91st Wettest | Wettest since: 1938 | 1993 | ||||
|
Sep 1939–Aug 1940 12-Month |
26.86" (682.24mm) | 32.12" (815.85mm) |
-5.26" (-133.61mm) | 17th Driest | Driest since: 1936 | 1934 |
| 110th Wettest | Wettest since: 1939 | 1993 | ||||
|
Mar 1939–Aug 1940 18-Month |
45.32" (1,151.13mm) | 53.43" (1,357.12mm) |
-8.11" (-205.99mm) | 10th Driest | Driest since: 1937 | 1911 |
| 117th Wettest | Wettest since: 1939 | 1993 | ||||
|
Sep 1938–Aug 1940 24-Month |
58.14" (1,476.76mm) | 64.28" (1,632.71mm) |
-6.14" (-155.95mm) | 22nd Driest | Driest since: 1937 | 1934 |
| 104th Wettest | Wettest since: 1939 | 1993 | ||||
|
Sep 1937–Aug 1940 36-Month |
89.35" (2,269.49mm) | 96.39" (2,448.31mm) |
-7.04" (-178.82mm) | 23rd Driest | Driest since: 1938 | 1957 |
| 102nd Wettest | Wettest since: 1939 | 2010 | ||||
|
Sep 1936–Aug 1940 48-Month |
122.53" (3,112.26mm) | 128.37" (3,260.60mm) |
-5.84" (-148.34mm) | 28th Driest | Driest since: 1939 | 1936 |
| 96th Wettest | Wettest since: 1938 | 2010 | ||||
| Ties: 1919 | ||||||
|
Sep 1935–Aug 1940 60-Month |
146.95" (3,732.53mm) | 160.37" (4,073.40mm) |
-13.42" (-340.87mm) | 11th Driest | Driest since: 1938 | 1957 |
| 112th Wettest | Wettest since: 1939 | 2011 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2022, retrieved on August 18, 2022 from https://www.ncei.noaa.gov/cag/