condition	mean	min	max
4 h after light	16.755693333333333	8.07818	27.0223
8 h after light	6.182903333333333	1.68885	10.539
12 h after light	6.29913	3.26415	10.109
4 h after dark	12.344570000000001	7.74971	16.6231
8 h after dark	17.0581	11.239	20.4602
12 h after dark	28.424	20.9924	42.5066