condition mean min max 4 h after light 7.636583333333333 5.933358999999999 9.704130000000001 8 h after light 5.444825333333333 3.164158 6.780530000000001 12 h after light 3.510622 2.638297 4.531052 16 h after light 7.995034666666667 6.111455 10.76468 4 h after dark 10.454597666666666 9.508111999999999 12.015080000000001 8 h after dark 7.258953666666667 6.556228999999999 7.916397