condition mean min max 0 h after light 0.172155 0.0 0.34431 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.1670425 0.0 0.334085 4 h after dark 0.1595145 0.0 0.319029 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0