condition mean min max 0 h after light 18.3998 18.3727 18.4269 2 h after light 16.82175 16.6947 16.9488 4 h after light 14.757249999999999 13.7339 15.7806 8 h after light 21.9617 17.8139 26.1095 12 h after light 35.2924 34.4759 36.1089 2 h after dark 38.10405 37.3575 38.8506 4 h after dark 35.5499 33.6865 37.4133 8 h after dark 24.101399999999998 22.9695 25.2333 12 h after dark 20.4253 19.6825 21.1681