condition	mean	min	max
4 h after light	9.0094125	9.007081	9.011744
8 h after light	8.048726499999999	7.976029	8.121424
12 h after light	7.8611945	7.847117	7.875272
4 h after dark	8.003915	7.560042	8.447788
8 h after dark	9.022621999999998	8.447788	9.597456
12 h after dark	8.335619	8.335619	8.335619