condition mean min max 3 h after light 639.7819166666667 473.222 889.513 7 h after light 688.125 527.92 966.172 11 h after light 685.14975 533.932 1044.54 2 h after dark 599.42275 420.333 917.644 6 h after dark 604.9248333333334 441.08 802.159 10 h after dark 594.02325 413.828 852.919