condition	mean	min	max
0 h after light	7.840859999999999	7.06369	8.61803
4 h after light	8.775414999999999	7.66353	9.8873
8 h after light	8.179875000000001	7.90613	8.45362
4 h after dark	11.56037	9.42444	13.6963
8 h after dark	12.0891	11.7284	12.4498
12 h after dark	8.055205	7.34748	8.76293