condition	mean	min	max
4 h after light	12.090200000000001	10.592	14.0867
8 h after light	14.247626666666665	4.22488	23.1543
12 h after light	16.6157	12.6421	20.8051
4 h after dark	17.6203	16.3779	18.4988
8 h after dark	14.5397	11.2264	19.6123
12 h after dark	16.691933333333335	15.0012	18.8626