condition	mean	min	max
4 h after light	65.4308	56.2789	74.5827
8 h after light	55.39425	53.4518	57.3367
12 h after light	67.6356	61.0304	74.2408
4 h after dark	79.30983333333333	71.8451	89.0756
8 h after dark	75.85516666666666	71.4891	81.5823
12 h after dark	79.61066666666667	61.8433	113.039