condition mean min max 4 h after light 2.805902 2.7347330000000003 2.939013 8 h after light 2.1051296666666666 1.537352 2.4333709999999997 12 h after light 1.374358 1.2810979999999998 1.469727 16 h after light 2.7714423333333333 2.3449 3.309786 4 h after dark 2.248224 2.03688 2.566504 8 h after dark 4.612136333333334 1.427841 10.88981