condition	mean	min	max
4 h after light	1087.9	1087.9	1087.9
8 h after light	1045.3	1001.0	1089.6
12 h after light	1004.0	970.5	1037.5
4 h after dark	994.65	961.2	1028.1
8 h after dark	1137.9499999999998	1077.6	1198.3
12 h after dark	1234.35	1210.8	1257.9