condition	mean	min	max
4 h after light	3.9232133333333334	2.76847	4.7927
8 h after light	3.5338233333333333	1.11575	5.25127
12 h after light	3.8430633333333333	2.01666	5.2095
4 h after dark	4.56044	4.22836	4.92404
8 h after dark	3.85325	1.59555	5.50048
12 h after dark	3.09096	1.91729	3.71553