condition	mean	min	max
0 h after light	22.07695	20.9459	23.208
4 h after light	17.52435	14.454	20.5947
8 h after light	8.80207	7.34394	10.2602
4 h after dark	15.231449999999999	14.8622	15.6007
8 h after dark	21.835250000000002	21.0543	22.6162
12 h after dark	23.35725	23.1441	23.5704