condition	mean	min	max
4 h after light	8.470021	8.185766	8.754276
8 h after light	8.007839	8.001169	8.014509
12 h after light	8.412952	7.769435	9.056469
4 h after dark	7.6736355	7.34464	8.002631
8 h after dark	9.070489	8.554926	9.586052
12 h after dark	9.073194	9.073194	9.073194