condition mean min max 0 h after light 2.47575 2.07688 2.87462 2 h after light 0.862217 0.83276 0.891674 4 h after light 0.3014665 0.0 0.602933 8 h after light 0.994085 0.91574 1.07243 12 h after light 1.612005 1.19196 2.03205 2 h after dark 1.447825 1.06909 1.82656 4 h after dark 1.888625 1.85357 1.92368 8 h after dark 2.142395 1.4482 2.83659 12 h after dark 1.940035 1.90025 1.97982