condition	mean	min	max
4 h after light	74.3181	73.7137	74.9225
8 h after light	55.106049999999996	54.6017	55.6104
12 h after light	49.29925	48.2606	50.3379
4 h after dark	71.4794	69.5156	73.4432
8 h after dark	76.7559	76.3243	77.1875
12 h after dark	77.13055	76.3189	77.9422