condition	mean	min	max
4 h after light	8.6945445	8.250177	9.138912
8 h after light	8.7157895	8.292667	9.138912
12 h after light	8.2864285	8.213986	8.358871
4 h after dark	7.780416000000001	7.124949	8.435883
8 h after dark	7.5709785	7.30143	7.840527
12 h after dark	9.41049	9.41049	9.41049