condition mean min max 4 h after light 1.073395 0.640549 1.72096 8 h after light 1.4259579999999998 0.295294 2.49326 12 h after light 1.8040676666666666 0.827573 2.79726 4 h after dark 3.012966666666667 1.89859 3.83322 8 h after dark 2.4628733333333335 1.61369 3.19333 12 h after dark 1.55625 1.24217 1.98348