condition mean min max 4 h after light 1840.5550684999998 1442.621683 2238.488454 8 h after light 2778.888386 2483.689569 3074.087203 12 h after light 2679.1140385 2584.149866 2774.078211 4 h after dark 2500.717917 2139.656664 2861.77917 8 h after dark 1743.7954365 1236.976538 2250.614335 12 h after dark 1412.320517 1412.320517 1412.320517