condition mean min max 1 h after light 6.1674807485 5.088848755 7.246112742 3 h after light 6.781930323 5.460198565 8.036824611 5 h after light 3.1100772903333334 0.0 4.936365481 7 h after light 5.974289964333333 5.617492532999999 6.408403787 9 h after light 6.310794503333333 4.462987644 9.143249847 11 h after light 6.909728360333333 4.640644686 9.088032411 1 h after dark 12.320277826666667 10.30427469 15.66406207 3 h after dark 13.15480658 11.39128799 15.08095626 5 h after dark 11.968131883333333 10.17441731 14.56146308 7 h after dark 13.264402246666666 10.050471 19.15361871 9 h after dark 10.16654319 8.400088471 12.77421563 11 h after dark 7.094655599333334 5.108709921 8.475364715