condition	mean	min	max
4 h after light	4579.4	4579.4	4579.4
8 h after light	3891.55	3363.5	4419.6
12 h after light	4799.8	2827.9	6771.7
4 h after dark	6445.8	5768.1	7123.5
8 h after dark	5567.7	3665.6	7469.8
12 h after dark	8437.3	6190.5	10684.1