condition mean min max 4 h after light 559.650218 527.570556 591.72988 8 h after light 624.276895 588.465332 660.088458 12 h after light 659.5902355000001 601.314201 717.86627 4 h after dark 912.7528594999999 690.917742 1134.587977 8 h after dark 909.706588 692.01743 1127.395746 12 h after dark 575.251088 575.251088 575.251088