condition	mean	min	max
4 h after light	1132.5	1132.5	1132.5
8 h after light	1114.05	955.9	1272.2
12 h after light	1504.45	1191.7	1817.2
4 h after dark	1762.75	1667.8	1857.7
8 h after dark	1377.4	1367.9	1386.9
12 h after dark	1178.25	1059.3	1297.2