condition mean min max 4 h after light 48.6045065 43.729043 53.47997 8 h after light 44.2186525 40.101257 48.336048 12 h after light 41.4086885 40.324895 42.492482 4 h after dark 43.803581 42.030152 45.57701 8 h after dark 40.693529 40.474505 40.912553 12 h after dark 43.729043 43.729043 43.729043