condition mean min max 4 h after light 381.3 381.3 381.3 8 h after light 347.4 284.9 409.9 12 h after light 586.0 424.2 747.8 4 h after dark 580.65 550.3 611.0 8 h after dark 558.2 505.3 611.1 12 h after dark 469.59999999999997 423.9 515.3