condition	mean	min	max
4 h after light	1108.5	1108.5	1108.5
8 h after light	1182.75	1019.8	1345.7
12 h after light	989.6	868.2	1111.0
4 h after dark	1058.1999999999998	1044.6	1071.8
8 h after dark	1172.35	1058.1	1286.6
12 h after dark	1271.15	1140.8	1401.5