condition	mean	min	max
4 h after light	1339.7	1339.7	1339.7
8 h after light	1373.95	1373.9	1374.0
12 h after light	1213.35	1154.8	1271.9
4 h after dark	1087.95	999.9	1176.0
8 h after dark	864.8	797.5	932.1
12 h after dark	1027.25	984.8	1069.7