condition mean min max 4 h after light 166.4845 156.614 176.355 8 h after light 82.37065000000001 81.6037 83.1376 12 h after light 86.27295000000001 80.3428 92.2031 4 h after dark 68.27305 63.6762 72.8699 8 h after dark 63.90705 57.3575 70.4566 12 h after dark 121.5235 114.727 128.32