condition	mean	min	max
4 h after light	8.020185000000001	7.77045	8.26992
8 h after light	7.615495	7.46603	7.76496
12 h after light	6.31764	5.94532	6.68996
4 h after dark	10.898015000000001	9.41783	12.3782
8 h after dark	9.181329999999999	8.734	9.62866
12 h after dark	8.894845	8.20972	9.57997