condition	mean	min	max
4 h after light	7.928185000000001	6.73805	9.11832
8 h after light	9.71122	9.50732	9.91512
12 h after light	7.921939999999999	6.05981	9.78407
4 h after dark	9.40137	7.15634	11.6464
8 h after dark	6.51131	5.43611	7.58651
12 h after dark	9.56739	9.39033	9.74445