condition	mean	min	max
4 h after light	9.609860000000001	9.54681	9.68149
8 h after light	9.61572	9.52005	9.77864
12 h after light	9.57946	9.402619999999999	9.79665
4 h after dark	9.499546666666667	9.21188	9.875060000000001
8 h after dark	9.4444	9.29492	9.70169
12 h after dark	9.30379	9.16935	9.5014