condition mean min max 0 h after light 0.02911265 0.0 0.0582253 4 h after light 0.0593275 0.0 0.118655 8 h after light 0.0 0.0 0.0 4 h after dark 0.0571845 0.0 0.114369 8 h after dark 0.028914 0.0 0.057828 12 h after dark 0.02907355 0.0 0.0581471