condition	mean	min	max
4 h after light	9.391615	9.17436	9.60887
8 h after light	9.4277	9.18197	9.67343
12 h after light	8.83535	7.4682	10.2025
4 h after dark	8.903063333333334	8.42221	9.69196
8 h after dark	12.0518	11.5177	12.4253
12 h after dark	10.621533333333334	10.1052	11.0095