condition mean min max 4 h after light 558.0341333333333 527.0917 573.6625 8 h after light 716.1420333333333 555.3153 824.7618 12 h after light 622.0344666666666 430.5265 858.5572 16 h after light 994.904 806.5361 1276.022 4 h after dark 740.9013 614.1239 817.7903 8 h after dark 458.24406666666664 375.79900000000004 533.8616