condition	mean	min	max
0 h after light	15.34065	14.0393	16.642
4 h after light	9.355989999999998	8.92471	9.78727
8 h after light	13.75565	12.7797	14.7316
4 h after dark	14.36565	14.3373	14.394
8 h after dark	14.15285	13.2272	15.0785
12 h after dark	13.26945	12.835	13.7039