condition	mean	min	max
4 h after light	1178.0	1178.0	1178.0
8 h after light	1329.8	1128.6	1531.0
12 h after light	1219.4	1039.4	1399.4
4 h after dark	1453.15	1399.2	1507.1
8 h after dark	1580.9	1265.5	1896.3
12 h after dark	1680.5	1388.8	1972.2