condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.020642566666666667 0.0 0.0619277 12 h after light 0.006783666666666667 0.0 0.020351 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0