condition	mean	min	max
4 h after light	5.433593333333333	5.4107199999999995	5.4613
8 h after light	5.38739	5.21758	5.54345
12 h after light	5.6984699999999995	5.62052	5.74357
4 h after dark	5.69295	5.45409	6.03116
8 h after dark	5.69418	5.57083	5.807119999999999
12 h after dark	5.811293333333333	5.730119999999999	5.90627