condition mean min max 3 h after light 1.6443188333333334 0.914751 2.63177 7 h after light 1.433536 0.842029 2.21515 11 h after light 1.49895925 0.858391 2.26618 2 h after dark 1.62991475 0.823801 2.37175 6 h after dark 1.3802445833333334 0.813446 2.17182 10 h after dark 1.5780723333333333 0.780349 3.37894