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 2012
View Period (Months):All1234567891011121824364860
Download:
| Period | Value | 1901-2000 Mean |
Anomaly | Rank (1895-2021) |
Wettest/Driest Since |
Record |
|---|---|---|---|---|---|---|
|
September 2012 1-Month |
1.62" (41.15mm) | 3.67" (93.22mm) |
-2.05" (-52.07mm) | 14th Driest | Driest since: 1990 | 1939 |
| 114th Wettest | Wettest since: 2011 | 1965 | ||||
|
Aug–Sep 2012 2-Month |
4.50" (114.30mm) | 7.51" (190.75mm) |
-3.01" (-76.45mm) | 11th Driest | Driest since: 2003 | 1976 |
| 117th Wettest | Wettest since: 2011 | 2018 | ||||
| Ties: 1899 | ||||||
|
Jul–Sep 2012 3-Month |
5.67" (144.02mm) | 11.36" (288.54mm) |
-5.69" (-144.52mm) | 4th Driest | Driest since: 1976 | 2013 |
| 124th Wettest | Wettest since: 2011 | 1993 | ||||
|
Jun–Sep 2012 4-Month |
8.48" (215.39mm) | 16.00" (406.40mm) |
-7.52" (-191.01mm) | 1st Driest | Driest to Date | 2012 |
| 127th Wettest | Wettest since: 2011 | 1993 | ||||
|
May–Sep 2012 5-Month |
11.99" (304.55mm) | 20.04" (509.02mm) |
-8.05" (-204.47mm) | 2nd Driest | Driest since: 1976 | 1976 |
| 126th Wettest | Wettest since: 2011 | 1993 | ||||
|
Apr–Sep 2012 6-Month |
15.89" (403.61mm) | 22.99" (583.95mm) |
-7.10" (-180.34mm) | 2nd Driest | Driest since: 1988 | 1988 |
| 126th Wettest | Wettest since: 2011 | 1993 | ||||
|
Mar–Sep 2012 7-Month |
17.80" (452.12mm) | 24.94" (633.48mm) |
-7.14" (-181.36mm) | 4th Driest | Driest since: 1988 | 1988 |
| 124th Wettest | Wettest since: 2011 | 1993 | ||||
|
Feb–Sep 2012 8-Month |
19.48" (494.79mm) | 25.96" (659.38mm) |
-6.48" (-164.59mm) | 4th Driest | Driest since: 1988 | 1988 |
| 124th Wettest | Wettest since: 2011 | 1993 | ||||
|
Jan–Sep 2012 9-Month |
20.05" (509.27mm) | 26.93" (684.02mm) |
-6.88" (-174.75mm) | 4th Driest | Driest since: 1988 | 1988 |
| 124th Wettest | Wettest since: 2011 | 1993 | ||||
|
Dec 2011–Sep 2012 10-Month |
22.13" (562.10mm) | 28.04" (712.22mm) |
-5.91" (-150.12mm) | 9th Driest | Driest since: 1988 | 1988 |
| 118th Wettest | Wettest since: 2011 | 1993 | ||||
|
Nov 2011–Sep 2012 11-Month |
24.21" (614.93mm) | 29.78" (756.41mm) |
-5.57" (-141.48mm) | 9th Driest | Driest since: 2003 | 1934 |
| 118th Wettest | Wettest since: 2011 | 1993 | ||||
|
Oct 2011–Sep 2012 12-Month |
24.95" (633.73mm) | 32.09" (815.09mm) |
-7.14" (-181.36mm) | 4th Driest | Driest since: 1988 | 1934 |
| 123rd Wettest | Wettest since: 2011 | 1993 | ||||
|
Apr 2011–Sep 2012 18-Month |
48.05" (1,220.47mm) | 55.13" (1,400.30mm) |
-7.08" (-179.83mm) | 15th Driest | Driest since: 1989 | 1934 |
| 112th Wettest | Wettest since: 2011 | 1993 | ||||
|
Oct 2010–Sep 2012 24-Month |
55.66" (1,413.76mm) | 64.26" (1,632.20mm) |
-8.60" (-218.44mm) | 10th Driest | Driest since: 1989 | 1956 |
| 116th Wettest | Wettest since: 2011 | 1993 | ||||
|
Oct 2009–Sep 2012 36-Month |
106.01" (2,692.65mm) | 96.36" (2,447.54mm) |
9.65" (245.11mm) | 101st Driest | Driest since: 2007 | 1957 |
| 24th Wettest | Wettest since: 2011 | 2010 | ||||
|
Oct 2008–Sep 2012 48-Month |
141.94" (3,605.28mm) | 128.36" (3,260.34mm) |
13.58" (344.94mm) | 104th Driest | Driest since: 2007 | 1958 |
| 20th Wettest | Wettest since: 2011 | 2010 | ||||
|
Oct 2007–Sep 2012 60-Month |
185.72" (4,717.29mm) | 160.34" (4,072.64mm) |
25.38" (644.65mm) | 114th Driest | Driest since: 2009 | 1957 |
| 9th Wettest | Wettest since: 2011 | 2010 | ||||
Citing This Page
- NOAA National Centers for Environmental information, Climate at a Glance: Statewide Time Series, published August 2022, retrieved on August 10, 2022 from https://www.ncei.noaa.gov/cag/