condition	mean	min	max
4 h after light	15.5470695	15.288857	15.805282
8 h after light	14.8369955	13.748756	15.925235
12 h after light	14.863331500000001	13.36804	16.358623
4 h after dark	13.3026925	12.945251	13.660134
8 h after dark	11.79691	9.502259	14.091561
12 h after dark	21.161287	21.161287	21.161287