condition mean min max 0 h after light 0.07501 0.0 0.15002 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.1476575 0.0 0.295315 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0