condition mean min max 0 h after light 1.8584999999999998 1.58463 2.13237 2 h after light 8.638705 7.93725 9.34016 4 h after light 7.117675 6.98988 7.24547 8 h after light 7.551755 6.13689 8.96662 12 h after light 12.416599999999999 11.3052 13.528 2 h after dark 12.201285 9.31207 15.0905 4 h after dark 7.78801 6.09215 9.48387 8 h after dark 8.08454 7.57498 8.5941 12 h after dark 3.904055 2.11439 5.69372