condition	mean	min	max
4 h after light	8.603571500000001	8.509311	8.697832
8 h after light	7.848407	7.847117	7.849697
12 h after light	11.524595	8.926245	14.122945
4 h after dark	9.0045395	8.636127	9.372952
8 h after dark	9.332826	9.047509	9.618143
12 h after dark	7.493881	7.493881	7.493881