condition	mean	min	max
4 h after light	1485.5	1485.5	1485.5
8 h after light	1394.2	1334.9	1453.5
12 h after light	1219.85	1211.1	1228.6
4 h after dark	1056.1	933.2	1179.0
8 h after dark	1053.1	957.4	1148.8
12 h after dark	1181.95	1077.4	1286.5