condition mean min max 4 h after light 7.0044249999999995 3.67325 10.3356 8 h after light 11.63795 10.4333 12.8426 12 h after light 7.527939999999999 5.93504 9.12084 4 h after dark 8.41755 8.23989 8.59521 8 h after dark 7.19107 6.63324 7.7489 12 h after dark 6.775195 6.10635 7.44404