Time (s) Temp (C) Natural Log of Temp 0 70.1 4.249923 6 55.5 4.016383 12 46.6 3.841601 18 39.2 3.668677 24 33.3 3.505557 30 28.1 3.33577 36 23.9 3.173878 42 20.3 3.010621 48 17.5 2.862201 54 15 2.70805 60 12.8 2.549445 66 10.9 2.388763 72 9.3 2.230014 78 7.8 2.054124 84 6.7 1.902108 90 5.8 1.757858 96 5 1.609438 102 4.1 1.410987 108 3.4 1.223775 114 2.8 1.029619 120 2.4 0.875469 126 1.9 0.641854 132 1.6 0.470004 138 1.3 0.262364 144 1 0 150 0.7 -0.35667 156 0.6 -0.51083 162 0.4 -0.91629 168 0.4 -0.91629 174 0.4 -0.91629 180 0.4 -0.91629 186 0.4 -0.91629 192 0.4 -0.91629