condition	mean	min	max
4 h after light	1620.4	1620.4	1620.4
8 h after light	1519.75	1300.5	1739.0
12 h after light	1681.3	1661.3	1701.3
4 h after dark	1266.7	832.2	1701.2
8 h after dark	1086.9499999999998	1002.3	1171.6
12 h after dark	1322.65	1271.8	1373.5