condition mean min max 2 h after light 109.66135 86.4811 128.372 6 h after light 103.1195 80.516 130.787 10 h after light 80.73905 63.4773 99.1518 14 h after light 76.54896666666667 50.5564 95.6916 18 h after light 100.42143333333334 76.6057 120.489 2 h after dark 138.33883333333333 114.649 167.816