condition	mean	min	max
4 h after light	10.19736	8.66052	11.7342
8 h after light	11.1294	10.881	11.3778
12 h after light	12.381250000000001	11.9638	12.7987
4 h after dark	15.607633333333334	14.692	16.6922
8 h after dark	16.6315	15.9042	17.0095
12 h after dark	12.083966666666667	11.917	12.2789