condition	mean	min	max
4 h after light	12.077395	10.848567	13.306223
8 h after light	13.617455	12.754865	14.480045
12 h after light	14.711929	13.941846	15.482012
4 h after dark	14.2167085	13.133638	15.299779
8 h after dark	12.098479	11.953648	12.24331
12 h after dark	13.787884	13.787884	13.787884