condition	mean	min	max
4 h after light	289.4	289.4	289.4
8 h after light	287.2	274.2	300.2
12 h after light	285.1	276.5	293.7
4 h after dark	321.3	307.8	334.8
8 h after dark	383.2	377.0	389.4
12 h after dark	376.5	356.1	396.9