condition	mean	min	max
4 h after light	4.58979	4.458559999999999	4.68321
8 h after light	4.510656666666667	4.45413	4.57296
12 h after light	4.40335	4.29116	4.51451
4 h after dark	4.456853333333333	4.37971	4.52893
8 h after dark	4.484123333333334	4.461130000000001	4.497240000000001
12 h after dark	4.50985	4.46784	4.57107