condition mean min max 4 h after light 3.0899496666666666 2.635497 3.7900089999999995 8 h after light 2.5206543333333333 2.307534 2.891838 12 h after light 3.002683333333333 2.342571 3.7039199999999997 16 h after light 2.6680070000000002 2.27279 3.188545 4 h after dark 2.152746 1.9405119999999998 2.437056 8 h after dark 1.4476396666666667 1.365556 1.488917