condition mean min max 4 h after light 1074.0098775000001 857.943053 1290.076702 8 h after light 1047.6789640000002 977.80898 1117.548948 12 h after light 952.0318239999999 938.334925 965.728723 4 h after dark 675.4481625000001 519.578425 831.3179 8 h after dark 707.613746 626.097067 789.130425 12 h after dark 639.532003 639.532003 639.532003