condition	mean	min	max
0 h after light	8.665845000000001	7.99533	9.33636
4 h after light	6.577640000000001	5.79033	7.36495
8 h after light	4.148680000000001	3.67891	4.61845
4 h after dark	5.70916	3.69738	7.72094
8 h after dark	6.78118	5.63574	7.92662
12 h after dark	8.575040000000001	6.47278	10.6773