The building maintenance scheduled for Friday February 27th at 5:00pm MST has been postponed. It is rescheduled for March 6rd.
 
Boulder Area Flood of September 2013: Climate and Weather Information

* Near Dillon Road: image courtesy of Will von Dauster, NOAA

* Boulder High School Grounds: image courtesy of Bruce Raup, NSIDC,CIRES/CU

 

We are making available links and archiving maps and related figures for the Sep 2013 flood event. If you know of other sources of weather information, please let us know.
For information about government resources, helping victims, city road and park conditions, and similar topics, please see the City of Boulder 2013 Flood Webpage.

Articles

Maps and Data

Historic Floods in the Colorado Frontrange

Putting the flood in historic perspective

The flood set a number of records. There were 5 daily precipitation records set as well as monthly total and annual total records..
  • Sep 10th: 1.02
  • Sep 11th: 1.92
  • Sep 12th: 9.08 *all time 1-day record
  • Sep 13th: 2.44
  • Sep 15th: 1.94
Also, the current 17.59 monthly value for September is a record as is the current annual total of 30.55..The water year (Oct-Sep) is at a record 32.37.
The highest daily totals (6pm-6pm) in the record are (in inches):

  1. 9/12/2013 9.08
  2. 7/31/1919 4.80
  3. 4/03/1986 3.56
  4. 5/17/1995 3.51
  5. 6/04/1949 3.40
  6. 5/07/1969 3.37
  7. 4/02/1957 3.31
  8. 4/15/1921 3.28
  9. 4/24/1997 3.20
  10. 6/09/1987 3.13
  11. 8/03/1951 3.06
  12. 9/04/1909 3.05
The previous monthly record was 9.59 in May 1995. The previous annual record (Jan-Dec) was 29.93, also in 1995.