condition	mean	min	max
4 h after light	6.04851	5.81403	6.28299
8 h after light	10.824449999999999	10.7244	10.9245
12 h after light	15.2151	14.0842	16.346
4 h after dark	18.478949999999998	18.4578	18.5001
8 h after dark	18.630899999999997	17.8327	19.4291
12 h after dark	13.482600000000001	13.2895	13.6757