condition mean min max 4 h after light 3.33498 1.00314 6.81609 8 h after light 2.0357966666666667 0.61233 3.53609 12 h after light 2.79326 1.45589 4.13128 4 h after dark 4.18807 2.75056 5.14183 8 h after dark 3.9035266666666666 2.34885 5.615 12 h after dark 4.67434 3.67324 5.90255