condition	mean	min	max
4 h after light	455.5	455.5	455.5
8 h after light	490.34999999999997	358.9	621.8
12 h after light	517.5	476.4	558.6
4 h after dark	501.75	489.6	513.9
8 h after dark	621.55	511.8	731.3
12 h after dark	657.65	621.5	693.8