2007 Monthly U.S. High Temperature Records

SEARCH BLOG: CLIMATE CHANGE and NOAA

I have updated 50-state monthly high temperature records for 2007 from NOAA data:

• Data file for 2007 update [Excel 2007 Version]
• Extreme Temperatures by State - Database and Analysis [Excel 2007 Version]
  

If you have trouble downloading these data from the server, you may email me and I will reply with the file attachments.

Click on image for larger view.

The were no new monthly statewide records during 2007. Using NOAA data for daily records and methodology [link to December 2007 as an example of the data used], no daily record tied or exceeded a monthly record for any of the 50 states during any of the 12 months.

• Each state can have only 1 statewide record per month or 12 new records for any one year
• If any location in the state ties or exceeds a record high set previously, the record is now recorded for the latest year and the record count for the year previously holding the record is reduced by one.
• Since previous records are eliminated, each year for the entire range has exactly 600 opportunities to set a new record... there is no bias or advantage for records set in early years; there is a slight bias for the current year since ties go to the current year.

While these records do not tie directly to other calculations of average temperatures which may be subject to some interpretation, it is reasonable to infer that:

• Since 2000 there has been a noticeable absence of high temperature extremes or "heat waves"
  
• The 2001-07 period may have been cooler than the 1994-2000 period
  

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