condition mean min max 4 h after light 541.0811111 131.23 859.5733333 8 h after light 280.54833333333335 175.7 356.55 12 h after light 6918.892222333333 3076.246667 11179.46 1.5 h after dark 10473.008887666667 8792.033333 12591.17 5.5 h after dark 5096.099999999999 4706.636667 5562.11 9.5 h after dark 1383.8155554333334 876.4233333 1929.793333