condition	mean	min	max
4 h after light	19.2381	18.773	19.7032
8 h after light	37.2535	36.3215	38.1855
12 h after light	47.7394	43.7564	51.7224
4 h after dark	72.63145	68.5508	76.7121
8 h after dark	65.28585000000001	59.8284	70.7433
12 h after dark	42.18095	39.1728	45.1891