condition	mean	min	max
0 h after light	6.722775	6.08298	7.36257
4 h after light	5.049585	4.84443	5.25474
8 h after light	5.186205	4.85911	5.5133
4 h after dark	7.327725	6.96715	7.6883
8 h after dark	6.629020000000001	6.36861	6.88943
12 h after dark	8.888615	7.27123	10.506