condition	mean	min	max
4 h after light	5.168245000000001	4.81451	5.52198
8 h after light	5.861800000000001	5.45669	6.26691
12 h after light	6.572565	6.53894	6.60619
4 h after dark	7.415645	6.78283	8.04846
8 h after dark	7.32386	7.30547	7.34225
12 h after dark	7.24563	6.92051	7.57075