condition	mean	min	max
4 h after light	6.31162	5.03984	7.5834
8 h after light	5.587325	4.94439	6.23026
12 h after light	5.26891	5.21915	5.31867
4 h after dark	5.955453333333334	4.84865	7.23803
8 h after dark	7.465396666666667	6.68027	8.76694
12 h after dark	5.010513333333333	2.89221	6.41257