condition	mean	min	max
4 h after light	8.770897999999999	8.697461	8.844335
8 h after light	7.925901	7.464476	8.387326
12 h after light	9.271193	7.81891	10.723476
4 h after dark	8.0555685	7.833347	8.27779
8 h after dark	8.790595	7.770862	9.810328
12 h after dark	8.446746	8.446746	8.446746