These infrared thermograms were taken on May 19 & May 20 at the Historic Entrance of Mammoth Cave.
Dr. Rick Toomey and Johnathan Jernigan assisted.
Shots and readings were taken at approx 150 M, 25 M and inside the cave entrance.
Light rain and over cast with 58 F. ambient 76 RH, 51 DP at entrance
and 72.3 F 55.8 RH and 56.4 DP at 150 M. 0 Kts at entrance.
Jim Thompson
NSS 13154