condition mean min max 4 h after light 11.509295999999999 9.446077 13.572515 8 h after light 10.542933 9.962194 11.123672 12 h after light 10.517263499999999 9.910855 11.123672 4 h after dark 11.834114499999998 11.123672 12.544557 8 h after dark 11.3388315 10.794849 11.882814 12 h after dark 9.75096 9.75096 9.75096