condition mean min max 4 h after light 0.2025995 0.162836 0.242363 8 h after light 0.1681525 0.115439 0.220866 12 h after light 0.3952055 0.347309 0.443102 4 h after dark 1.3118750000000001 1.28583 1.33792 8 h after dark 0.8427914999999999 0.758689 0.926894 12 h after dark 0.5365814999999999 0.312667 0.760496