condition mean min max 4 h after light 5.335389999999999 3.7123199999999996 7.169575999999999 8 h after light 8.545974666666666 5.831647 12.815760000000001 12 h after light 43.89519666666667 30.588590000000003 65.19538 16 h after light 23.461213333333333 10.54235 31.4623 4 h after dark 8.626690333333332 6.972811999999999 9.590126 8 h after dark 3.8660336666666666 1.859982 5.052231