condition	mean	min	max
4 h after light	4.8380399999999995	4.14191	5.53417
8 h after light	5.80933	5.50098	6.11768
12 h after light	5.834415	5.56791	6.10092
4 h after dark	5.8701	5.74879	5.97583
8 h after dark	5.4584	5.13204	5.74129
12 h after dark	4.87382	4.80977	4.92418