condition mean min max 4 h after light 1492.713 1438.975 1529.737 8 h after light 1474.4613333333334 1384.7 1553.44 12 h after light 870.7754 491.5884 1260.858 16 h after light 1270.3474666666666 920.0914 1503.9879999999998 4 h after dark 1205.4633333333331 1033.135 1329.2879999999998 8 h after dark 913.0291666666666 638.3886 1153.359