condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.062417 0.0 0.124834 8 h after light 0.060605 0.0 0.12121 4 h after dark 0.0302002 0.0 0.0604004 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0