condition	mean	min	max
4 h after light	14.8965	12.4787	17.3143
8 h after light	10.1913	10.0277	10.3549
12 h after light	10.657015000000001	9.06703	12.247
4 h after dark	17.316850000000002	15.5992	19.0345
8 h after dark	14.83465	14.3057	15.3636
12 h after dark	17.25095	16.6843	17.8176