condition	mean	min	max
4 h after light	872.871	840.261	905.481
8 h after light	698.596	680.441	716.751
12 h after light	519.437	511.551	527.323
4 h after dark	574.5005	514.489	634.512
8 h after dark	837.588	816.594	858.582
12 h after dark	900.165	879.847	920.483