condition	mean	min	max
0 h after light	3.745705	3.45588	4.03553
4 h after light	1.76276	1.66853	1.85699
8 h after light	4.7566299999999995	4.68358	4.82968
4 h after dark	6.340275	5.90441	6.77614
8 h after dark	5.239105	4.38827	6.08994
12 h after dark	3.8936650000000004	3.49722	4.29011