condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.1602015 0.0 0.320403 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.34363699999999997 0.329274 0.358 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