condition mean min max 4 h after light 10.167596 9.668262 10.66693 8 h after light 8.847335000000001 8.331374 9.363296 12 h after light 11.811659 10.331801 13.291517 4 h after dark 12.5915885 11.832682 13.350495 8 h after dark 10.9074475 9.982213 11.832682 12 h after dark 9.327748 9.327748 9.327748