condition	mean	min	max
4 h after light	19.75085	18.2616	21.2401
8 h after light	13.58435	13.3702	13.7985
12 h after light	12.06565	11.3393	12.792
4 h after dark	23.410466666666665	22.4393	24.5218
8 h after dark	25.244966666666667	24.7919	25.5015
12 h after dark	26.4895	26.0675	27.0711