condition mean min max 4 h after light 128.590419 127.367995 129.812843 8 h after light 122.0140155 111.570512 132.457519 12 h after light 144.059326 120.438383 167.680269 4 h after dark 138.084073 113.523915 162.644231 8 h after dark 134.88590299999998 121.232057 148.539749 12 h after dark 126.277606 126.277606 126.277606