condition	mean	min	max
4 h after light	15.554	14.3126	16.7954
8 h after light	15.84035	14.1509	17.5298
12 h after light	14.20675	12.9674	15.4461
4 h after dark	22.563299999999998	18.7234	26.4032
8 h after dark	16.972949999999997	15.619	18.3269
12 h after dark	17.79035	17.6212	17.9595