condition mean min max 4 h after light 0.0075431000000000005 0.0 0.0226293 8 h after light 0.014974933333333334 0.0 0.0449248 12 h after light 0.019780443333333335 0.0 0.0590535 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