condition mean min max 3 h after light 3.349823333333333 2.25015 4.16677 6 h after light 2.35581 1.71409 3.24054 9 h after light 2.04284 1.75279 2.56459 12 h after light 2.4774125 1.2198 5.66101 3 h after dark 1.64476 1.55376 1.75531 6 h after dark 2.4755666666666665 1.74892 3.53828 9 h after dark 4.101546666666667 3.69778 4.49962 12 h after dark 6.677415 6.01546 7.33937