condition	mean	min	max
0 h after light	5.69614	4.78971	6.60257
4 h after light	5.771245	5.16293	6.37956
8 h after light	15.245349999999998	14.9485	15.5422
4 h after dark	9.63626	8.49702	10.7755
8 h after dark	10.861699999999999	10.1755	11.5479
12 h after dark	4.99458	4.20633	5.78283