condition mean min max 4 h after light 202.700226 135.59366 269.806792 8 h after light 159.199907 156.36169 162.038124 12 h after light 144.675096 130.693595 158.656597 4 h after dark 356.92653399999995 200.158481 513.694587 8 h after dark 615.1787495 295.528031 934.829468 12 h after dark 202.082788 202.082788 202.082788