condition mean min max 4 h after light 39.13075 38.9507 39.3108 8 h after light 24.83415 24.703 24.9653 12 h after light 24.95545 24.9201 24.9908 4 h after dark 28.04605 27.4962 28.5959 8 h after dark 33.3968 32.7023 34.0913 12 h after dark 37.54225 35.8205 39.264