condition	mean	min	max
4 h after light	259.1	259.1	259.1
8 h after light	240.35	238.2	242.5
12 h after light	261.05	236.0	286.1
4 h after dark	300.1	262.0	338.2
8 h after dark	314.6	291.5	337.7
12 h after dark	281.4	273.6	289.2