condition	mean	min	max
4 h after light	233.0	233.0	233.0
8 h after light	314.15	289.6	338.7
12 h after light	246.35	192.8	299.9
4 h after dark	341.1	328.1	354.1
8 h after dark	355.7	352.9	358.5
12 h after dark	328.85	297.3	360.4