condition mean min max 3 h after light 0.0302915 0.0 0.0908745 6 h after light 0.020957566666666667 0.0 0.0628727 9 h after light 0.019333666666666666 0.0 0.058001 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.035063000000000004 0.0 0.105189 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0