condition mean min max 4 h after light 57.9929075 56.310726 59.675089 8 h after light 53.785893 53.38658 54.185206 12 h after light 65.7874715 62.052935 69.522008 4 h after dark 91.919701 76.551827 107.287575 8 h after dark 103.503607 82.811766 124.195448 12 h after dark 62.480949 62.480949 62.480949