condition mean min max 0 h after light 8.6781 8.25134 9.10486 2 h after light 5.102195 3.7197 6.48469 4 h after light 5.645685 4.82079 6.47058 8 h after light 10.101025 9.55025 10.6518 12 h after light 10.19514 9.32318 11.0671 2 h after dark 8.3345 7.43303 9.23597 4 h after dark 9.975385 8.84787 11.1029 8 h after dark 13.151250000000001 9.7449 16.5576 12 h after dark 9.198225 8.04725 10.3492