Climate Monitoring / Climate of 2005 / September / U.S. Climate / Help
U.S. National Overview - September 2005
National Climatic Data Center
Asheville, North Carolina
6 October 2005
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Global Analysis / Global Hazards /
United States / U.S. Drought /
Extremes
Maps and Graphics:
It should be emphasized that all of the temperature and precipitation ranks and values are based on preliminary data. The ranks will change when the final data are processed, but will not be replaced on these pages. Graphics based on final data are available on the Climate Monitoring Products page.
For graphics covering periods other than those mentioned above or for tables of national, regional, and statewide data from 1895-present, for September, last 3 months or other periods, please go to the Climate At A Glance page.
National Overview:
- September temperatures were much above average for the nation with much warmer-than-average conditions across a large portion of the eastern half of the country. For information on temperature records during the month, please go to NCDC's Extremes page.
- Precipitation was much below average for the nation with conditions especially drier than average across parts of the Southeast and mid-Atlantic states. For more information on drought during September, please visit the U.S. Drought page.
For additional details, see the Monthly Highlights section.
For details and graphics on weather events across the U.S. and the globe go to NCDC's Global Hazards page.
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Monthly and Seasonal Highlights:
National:
For tables of national, regional, and statewide data from 1895-present, for September, last 3 months or other periods, please go to the Climate At A Glance page.
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- September 2005 ranked as the 4th warmest September in the 1895 to present record. The preliminary nationally averaged temperature was 68.1�F (20.1�C), which was 2.6�F (1.4�C) above the long-term mean.
- September 2005 had much below average precipitation, nationally, ranking 11th driest.
- For the last 3 months temperature was much above average and ranked as the 4th warmest such period in the 1895 to present record. The preliminary nationally averaged temperature for July-September was 72.6�F (22.6�C) which was 1.7�F (0.9�C) above the long-term mean.
- July-September had near average precipitation, ranking 45th driest in the last 111 years.
- The October 2004-September 2005 temperature was much above average and ranked as the 7th warmest such period in the 1895 to present record. The preliminary nationally averaged temperature was 54.1�F (12.3�C) which was 1.3�F (0.7�C) above the long-term mean.
- Precipitation was above average for October-September, ranking 20th wettest for the last 12 months based on a record of 110 such periods.
Regional and Statewide:
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It should be emphasized that all of the temperature and precipitation ranks and values are based on preliminary data. The ranks will change when the final data are processed, but will not be replaced on these pages. Graphics based on final data are available on the Climate Monitoring Products page.
For all climate questions other than questions concerning this report, please contact the National Climatic Data Center's Climate Services Division:
Climate Services Division NOAA/National Climatic Data Center 151 Patton Avenue Asheville, NC 28801-5001 fax: 828-271-4876 phone: 828-271-4800 email: ncdc.info@noaa.gov
For further information on the historical climate perspective presented in this report, contact:
Jay Lawrimore NOAA/National Climatic Data Center 151 Patton Avenue Asheville, NC 28801-5001 fax: 828-271-4328 email: Jay.Lawrimore@noaa.gov
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Climate Monitoring / September / U.S. Climate / Help
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