condition	mean	min	max
4 h after light	83.7	83.7	83.7
8 h after light	60.0	54.5	65.5
12 h after light	98.9	63.2	134.6
4 h after dark	167.5	158.7	176.3
8 h after dark	214.7	188.2	241.2
12 h after dark	239.5	211.5	267.5