condition mean min max 4 h after light 140.118784 101.631712 178.605856 8 h after light 119.7807765 111.997947 127.563606 12 h after light 122.8167575 107.770519 137.862996 4 h after dark 81.551286 32.205408 130.897164 8 h after dark 45.8100795 31.170191 60.449968 12 h after dark 83.855809 83.855809 83.855809