condition mean min max 0 h after light 3.7734449999999997 3.43374 4.11315 4 h after light 2.9989 2.36561 3.63219 8 h after light 2.547645 2.37378 2.72151 4 h after dark 3.3405500000000004 2.69309 3.98801 8 h after dark 3.6946849999999998 3.60849 3.78088 12 h after dark 3.38276 3.14918 3.61634