Poster Session 1 | 
|   | Climate Products and Data Sets | 
|   | Chair: Michael J. Janis, Southeast Regional Climate Center, Columbia, SC 
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 |   | P1.1 | Modernization of pre-1948 hourly precipitation records for the contiguous United States    Richard L. Reinhardt, DRI, Reno, NV; and K. T. Redmond, J. A. Ashby, M. Chambers, M. J. Janis, G. Forthun, and M. B. Johnson | 
 |   | P1.2 | Developing Climate Station Histories for pre-20th Century U.S. Observing Sites     Lesley-Ann L. Dupigny-Giroux, University of Vermont, Burlington, VT; and T. R. Ross and S. R. Doty | 
 |   | P1.3 | Monitoring climate variability in relation to air quality: A regional temperature-based index for ground-level ozone     Daniel Y. Graybeal, Cornell University, Ithaca, NY; and A. T. DeGaetano | 
 |   | P1.4 | Development of the 1971–2000 monthly station climate summaries (Climatography of the United States NO. 20 or CLIM20)     Tom Whitehurst, NOAA/NESDIS/NCDC, Asheville, NC | 
 |   | P1.5 | Monitoring climate variability relations to air quality: Use of reanalysis data to estimate mixing height    Kenneth Kunkel, ISWS, Champaign, IL; and H. C. Huang | 
 |   | P1.6 | A climatology of extreme weather and climate events     Thomas F. Ross, NOAA/NESDIS/NCDC, Asheville, NC; and J. N. Lott | 
 |   | P1.7 | Long Term Remote Sensing Data Sets for Applied Climatology     Linda A. Hunt, SAIC and NASA/Langley Atmospheric Sciences Data Center, Hampton, VA | 
 |   | P1.8 | The Oklahoma Monthly Climate Summary: Pushing the Real-Time Envelope    Gary McManus, Oklahoma Climatological Survey, Norman, OK; and M. Shafer, D. Arndt, R. McPherson, and S. Blackburn | 
 |   | P1.9 | Two-way (Hour-Month) Time Section Plots as a Tool for Climatological Visualization and Summarization     Charles J. Fisk, U.S. Navy, Point Mugu, CA | 
 |   | P1.10 | Weather, Water, and Climate of the Lewis and Clark Expedition (1803–1806)     Vernon L. Preston, NOAA/NWSFO, Pocatello, ID | 
 |   | P1.11 | Development of climate indices for monitoring vectors of West Nile virus     Michael J. Janis, Southeast Regional Climate Center, Columbia, SC; and K. E. Kunkel, A. T. DeGaetano, L. C. Harrington, C. J. Westbrook, T. Lavin, and A. Nelson | 
 |   | P1.12 | A Climatology of Hourly THI Values for Livestock Producers     John A. Harrington Jr., Kansas State University, Manhattan, KS; and E. Bowles |