condition mean min max 2 h after light 68.4571 60.9359 79.1381 6 h after light 58.7311 49.111 72.2375 10 h after light 62.28071666666666 47.9813 76.4797 14 h after light 70.72745 58.2708 84.2673 18 h after light 82.9918 66.9263 95.2256 2 h after dark 69.08071666666667 53.2744 76.0353