condition	mean	min	max
4 h after light	5.82261	5.66671	5.9886800000000004
8 h after light	6.23663	6.135619999999999	6.40359
12 h after light	7.032446666666667	6.55154	7.28057
4 h after dark	6.12383	6.0521400000000005	6.16482
8 h after dark	5.919513333333333	5.83016	6.028569999999999
12 h after dark	5.82907	5.73455	5.95175