condition	mean	min	max
4 h after light	1486.5	1486.5	1486.5
8 h after light	1521.9499999999998	1386.1	1657.8
12 h after light	1241.7	1107.7	1375.7
4 h after dark	1101.0	1001.9	1200.1
8 h after dark	1215.45	1182.2	1248.7
12 h after dark	1394.6	1310.0	1479.2