condition	mean	min	max
4 h after light	9.022285	7.38127	10.6633
8 h after light	8.814345	8.55401	9.07468
12 h after light	8.246125	7.80994	8.68231
4 h after dark	10.773173333333334	8.45852	12.5241
8 h after dark	11.5992	11.0425	12.4833
12 h after dark	11.205816666666667	9.81155	12.6018