condition	mean	min	max
4 h after light	14.062850000000001	13.1129	15.0128
8 h after light	8.24717	8.11324	8.3811
12 h after light	8.1863	7.52395	8.84865
4 h after dark	11.8731	10.209	12.7664
8 h after dark	15.777166666666666	14.6524	17.6743
12 h after dark	14.2563	13.4013	15.0487