condition	mean	min	max
4 h after light	17.6751	15.6557	19.6945
8 h after light	14.168849999999999	13.4176	14.9201
12 h after light	12.3098	11.9113	12.7083
4 h after dark	10.51043	9.59196	11.4289
8 h after dark	8.001940000000001	7.65948	8.3444
12 h after dark	13.1601	12.3641	13.9561