condition	mean	min	max
4 h after light	3.72771	2.94161	4.51381
8 h after light	6.857335	6.66801	7.04666
12 h after light	7.158989999999999	6.68042	7.63756
4 h after dark	13.33325	12.8875	13.779
8 h after dark	11.472100000000001	11.4396	11.5046
12 h after dark	8.27826	7.96921	8.58731