condition	mean	min	max
4 h after light	15.705200000000001	15.2903	16.1201
8 h after light	15.5145	15.2258	15.8032
12 h after light	15.523900000000001	15.1638	15.884
4 h after dark	21.89835	21.2672	22.5295
8 h after dark	20.93385	20.7537	21.114
12 h after dark	20.0191	19.0205	21.0177