condition	mean	min	max
4 h after light	1133.8	1133.8	1133.8
8 h after light	1196.3	1099.3	1293.3
12 h after light	1414.6	1351.7	1477.5
4 h after dark	1294.35	1250.4	1338.3
8 h after dark	1077.7	1016.9	1138.5
12 h after dark	929.65	891.3	968.0