condition mean min max 4 h after light 1871.857464 1736.790564 2006.924364 8 h after light 2027.1420309999999 1841.22515 2213.058912 12 h after light 2200.3560605000002 2071.054233 2329.657888 4 h after dark 2336.7162395 2248.162768 2425.269711 8 h after dark 2735.8131750000002 2717.217558 2754.408792 12 h after dark 2721.776952 2721.776952 2721.776952