condition mean min max 4 h after light 0.5834535000000001 0.344055 0.822852 8 h after light 0.8005245 0.544619 1.05643 12 h after light 0.8581544999999999 0.833973 0.882336 4 h after dark 0.43216566666666667 0.392398 0.480393 8 h after dark 0.3988176666666667 0.349121 0.448295 12 h after dark 0.5988396666666667 0.34208 1.03657