condition	mean	min	max
4 h after light	6268.9	6268.9	6268.9
8 h after light	6374.9	5728.8	7021.0
12 h after light	5386.45	4040.5	6732.4
4 h after dark	3480.45	2366.6	4594.3
8 h after dark	3635.5	2811.8	4459.2
12 h after dark	4521.6	4520.8	4522.4