condition mean min max 3 h after light 1838.0433333333333 1557.37 2127.22 6 h after light 1400.7233333333334 1115.9 1737.12 9 h after light 654.073 571.147 697.557 12 h after light 462.80675 105.023 1453.48 3 h after dark 45.399 38.5027 52.5881 6 h after dark 57.102866666666664 45.976 73.9615 9 h after dark 499.557 350.911 576.1 12 h after dark 1644.06 1613.55 1674.57