condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0160987 0.0 0.0482961 12 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.06565193333333333 0.0389629 0.0878077 12 h after dark 0.042220633333333334 0.0393555 0.0461619