condition	mean	min	max
0 h after light	7.29533	6.97293	7.61773
4 h after light	9.174814999999999	9.10121	9.24842
8 h after light	16.861849999999997	16.8465	16.8772
4 h after dark	16.7965	14.7277	18.8653
8 h after dark	9.97243	9.73856	10.2063
12 h after dark	7.10405	6.50366	7.70444