condition	mean	min	max
4 h after light	1052.0	1052.0	1052.0
8 h after light	990.95	939.6	1042.3
12 h after light	1115.5	925.7	1305.3
4 h after dark	1318.5	1208.1	1428.9
8 h after dark	1210.75	1078.7	1342.8
12 h after dark	1217.1	1102.1	1332.1