condition mean min max 0 h after light 8.837605 8.69789 8.97732 2 h after light 14.5083 12.8904 16.1262 4 h after light 10.6223 9.3865 11.8581 8 h after light 14.335700000000001 10.5073 18.1641 12 h after light 49.09575 43.8798 54.3117 2 h after dark 58.5353 57.6119 59.4587 4 h after dark 42.4925 41.7038 43.2812 8 h after dark 24.884 21.2046 28.5634 12 h after dark 12.704550000000001 11.6737 13.7354