condition mean min max 0 h after light 55.7946 53.8888 57.7004 2 h after light 27.3155 25.4973 29.1337 4 h after light 19.957050000000002 19.9224 19.9917 8 h after light 6.664535 6.079 7.25007 12 h after light 15.9459 15.9456 15.9462 2 h after dark 23.216749999999998 20.2302 26.2033 4 h after dark 25.41785 24.662 26.1737 8 h after dark 54.4041 49.5944 59.2138 12 h after dark 67.64285000000001 66.7715 68.5142