condition	mean	min	max
4 h after light	20.6503	19.9118	21.3888
8 h after light	18.10135	17.7746	18.4281
12 h after light	20.82255	19.0353	22.6098
4 h after dark	26.99525	25.2046	28.7859
8 h after dark	22.01495	21.9772	22.0527
12 h after dark	23.490000000000002	23.0908	23.8892