condition	mean	min	max
0 h after light	17.988950000000003	17.5087	18.4692
4 h after light	19.3673	18.1772	20.5574
8 h after light	30.0968	28.6791	31.5145
4 h after dark	32.34025	28.1822	36.4983
8 h after dark	22.3874	21.5926	23.1822
12 h after dark	21.692999999999998	20.9012	22.4848