condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.057648 0.0 0.172944 9 h after light 0.08141533333333334 0.0 0.136269 12 h after light 0.05308163333333333 0.0 0.0936428 3 h after dark 0.08934009999999999 0.0757103 0.0996116 6 h after dark 0.0554669 0.0 0.0954684 9 h after dark 0.0 0.0 0.0 12 h after dark 0.074175 0.0 0.222525