condition	mean	min	max
4 h after light	14.7799	12.5395	17.0203
8 h after light	17.60725	17.4592	17.7553
12 h after light	14.99885	13.8065	16.1912
4 h after dark	19.29285	16.5997	21.986
8 h after dark	18.06135	18.013	18.1097
12 h after dark	19.413400000000003	18.5147	20.3121