condition	mean	min	max
4 h after light	1602.285	1498.67	1705.9
8 h after light	1846.2849999999999	1779.03	1913.54
12 h after light	1758.835	1738.8	1778.87
4 h after dark	1219.0766666666666	1172.37	1253.13
8 h after dark	1078.5	1049.76	1122.33
12 h after dark	1266.3600000000001	1205.69	1364.15