condition	mean	min	max
4 h after light	7.765835	6.98767	8.544
8 h after light	7.010669999999999	6.48333	7.53801
12 h after light	5.419125	5.30255	5.5357
4 h after dark	4.682803333333333	4.37366	4.96063
8 h after dark	2.69105	2.24652	3.04494
12 h after dark	7.39601	6.92764	8.03442