condition mean min max 0 h after light 7.5401299999999996 7.2804 7.79986 2 h after light 7.7918899999999995 6.97776 8.60602 4 h after light 5.733404999999999 5.42826 6.03855 8 h after light 7.936450000000001 7.44643 8.42647 12 h after light 14.513449999999999 14.4836 14.5433 2 h after dark 9.934505 9.36911 10.4999 4 h after dark 10.10782 9.21774 10.9979 8 h after dark 10.58435 9.9091 11.2596 12 h after dark 7.675205 7.65369 7.69672