condition	mean	min	max
4 h after light	659.5	659.5	659.5
8 h after light	672.6	584.2	761.0
12 h after light	656.25	594.0	718.5
4 h after dark	1013.2	723.7	1302.7
8 h after dark	1270.0	1236.2	1303.8
12 h after dark	1193.3	1085.1	1301.5