condition mean min max 4 h after light 1614.0 1614.0 1614.0 8 h after light 1554.95 1427.4 1682.5 12 h after light 1283.6999999999998 1082.3 1485.1 4 h after dark 1230.55 1175.1 1286.0 8 h after dark 1320.6999999999998 1262.1 1379.3 12 h after dark 1459.4 1353.6 1565.2