condition mean min max 4 h after light 5.109595 4.16698 6.05221 8 h after light 4.839095 4.63385 5.04434 12 h after light 4.938635 4.69567 5.1816 4 h after dark 6.201673333333334 5.55395 6.665 8 h after dark 6.5788899999999995 6.29095 6.80356 12 h after dark 5.923813333333333 5.67428 6.13455