condition mean min max 0 h after light 0.8094635 0.566487 1.05244 2 h after light 3.757145 3.69243 3.82186 4 h after light 1.70705 1.6764 1.7377 8 h after light 1.558273 0.951026 2.16552 12 h after light 4.453575 3.75419 5.15296 2 h after dark 5.16796 4.74031 5.59561 4 h after dark 4.07136 3.28746 4.85526 8 h after dark 2.16415 1.33172 2.99658 12 h after dark 1.034396 0.945372 1.12342