Climatological Rankings

NCDC transitioned to the nClimDiv dataset on Thursday, March 13, 2014. This was coincident with the release of the February 2014 monthly monitoring report. For details on this transition, please visit our public FTP site and our U.S. Climate Divisional Database site.

Look up monthly U.S., Statewide, DivisionalClimate Divisions, and RegionalClimate Regions Temperature, Precipitation, Degree Days, and Palmer (Drought) rankings for 1-12, 18, 24, 36, 48, 60-month, and Year-to-Date time periods. Data and statistics are as of January 1895.
Please note, Degree Days are not available for Agricultural Belts

(Hold "Ctrl" to select multiple):

Iowa Precipitation Rankings, September 1934

Record Driest
Bottom 1/10
Bottom 1/3
Normal
Top 1/3
Top 1/10
Record Wettest

More information on Climatological Rankings

Download: xml csv json
Period Precip 20th Century
Average
Departure Rank Wettest/Driest
Since
Record
Jul - Sep 1934
3-month period
11.89"
(302.01 mm)
11.36"
(288.54 mm)
0.53"
(13.47 mm)
77ᵗʰ Driest Driest since: 1933 2014
44ᵗʰ Wettest Wettest since: 1932 1993