condition	mean	min	max
4 h after light	1665.7	1665.7	1665.7
8 h after light	1656.6	1645.4	1667.8
12 h after light	1572.4	1560.8	1584.0
4 h after dark	1504.7	1418.0	1591.4
8 h after dark	1196.75	1149.2	1244.3
12 h after dark	1276.9	1269.1	1284.7