condition mean min max 4 h after light 2.953787666666667 2.917581 3.008508 8 h after light 3.674775 1.472084 6.900308 12 h after light 8.593214666666666 5.538396 10.39016 16 h after light 7.999426000000001 4.798204 10.4657 4 h after dark 5.378338 2.819573 7.9523660000000005 8 h after dark 2.087813 1.6048209999999998 2.695046