condition mean min max 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 4 h after dark 0.0 0.0 0.0 8 h after dark 0.5358366666666666 0.0 1.40012 12 h after dark 0.35018333333333335 0.0 1.05055