condition	mean	min	max
4 h after light	1211.8	1211.8	1211.8
8 h after light	1200.5	1167.4	1233.6
12 h after light	1459.45	1412.7	1506.2
4 h after dark	1397.6999999999998	1153.1	1642.3
8 h after dark	1196.0500000000002	1038.4	1353.7
12 h after dark	1003.7	928.9	1078.5