condition mean min max 4 h after light 406.520915 395.385903 417.655927 8 h after light 466.5637625 447.672508 485.455017 12 h after light 493.457892 471.452958 515.462826 4 h after dark 496.6268345 488.208748 505.044921 8 h after dark 371.04995199999996 318.155134 423.94477 12 h after dark 589.609399 589.609399 589.609399