condition mean min max 0 h after light 13.76995 12.9605 14.5794 4 h after light 16.983800000000002 16.3415 17.6261 8 h after light 13.737549999999999 13.3239 14.1512 4 h after dark 14.0383 12.3717 15.7049 8 h after dark 13.457550000000001 13.4412 13.4739 12 h after dark 12.0783 11.5693 12.5873