condition mean min max 3 h after light 4.29563 3.62217 4.67443 6 h after light 1.7273333333333334 1.60681 1.86113 9 h after light 1.08105 1.05348 1.13372 12 h after light 2.637068 0.880526 7.68326 3 h after dark 2.84079 2.38224 3.75778 6 h after dark 4.907966666666667 4.59664 5.19434 9 h after dark 8.852643333333333 6.89258 10.3314 12 h after dark 12.8137 11.8091 13.8183