condition	mean	min	max
4 h after light	5.405305	4.92398	5.88663
8 h after light	6.519970000000001	5.95657	7.08337
12 h after light	7.815605	7.76402	7.86719
4 h after dark	9.0636	8.75716	9.40388
8 h after dark	8.132583333333333	8.03802	8.21684
12 h after dark	6.321753333333334	5.87917	6.88843