condition mean min max 2 h after light 7.3363016666666665 4.76308 9.67098 6 h after light 9.799773333333333 7.65493 13.2745 10 h after light 7.592465 6.2517 9.66905 14 h after light 7.425756666666667 5.97691 10.2717 18 h after light 9.131315 6.85798 12.3595 2 h after dark 7.54641 3.36293 13.4132