condition	mean	min	max
4 h after light	10.0326855	9.917105	10.148266
8 h after light	8.5908865	8.066498	9.115275
12 h after light	7.3967805	7.29761	7.495951
4 h after dark	8.901485	8.901485	8.901485
8 h after dark	9.2461855	9.115561	9.37681
12 h after dark	8.142188	8.142188	8.142188