condition mean min max 4 h after light 109.4403305 102.022366 116.858295 8 h after light 95.3962225 78.77141 112.021035 12 h after light 136.094898 125.534481 146.655315 4 h after dark 149.954484 127.770518 172.13845 8 h after dark 172.6925835 132.391982 212.993185 12 h after dark 127.770518 127.770518 127.770518