condition	mean	min	max
4 h after light	14.262597	12.357612	16.167582
8 h after light	17.052215500000003	16.450672	17.653759
12 h after light	13.0247085	12.867959	13.181458
4 h after dark	18.726108	17.458569	19.993647
8 h after dark	15.164108500000001	14.984206	15.344011
12 h after dark	15.651502	15.651502	15.651502