condition	mean	min	max
0 h after light	15.7579	14.9468	16.569
4 h after light	15.3402	13.2037	17.4767
8 h after light	16.58695	15.0906	18.0833
4 h after dark	17.4538	16.2439	18.6637
8 h after dark	11.9353	11.8852	11.9854
12 h after dark	13.73495	10.8914	16.5785