condition	mean	min	max
4 h after light	6.666673333333333	6.25781	6.97777
8 h after light	6.629476666666666	6.43783	6.736039999999999
12 h after light	6.8381799999999995	6.67737	7.10418
4 h after dark	6.48124	6.27819	6.586539999999999
8 h after dark	6.59769	6.4842699999999995	6.76698
12 h after dark	6.711453333333333	6.58401	6.87645