condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.039137333333333336 0.0 0.117412 12 h after light 0.07716866666666666 0.0 0.231506 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0