condition mean min max 4 h after light 147.2830775 137.049458 157.516697 8 h after light 193.088083 186.078211 200.097955 12 h after light 185.8698555 181.066261 190.67345 4 h after dark 172.9477635 157.09971 188.795817 8 h after dark 131.94789550000002 124.223468 139.672323 12 h after dark 152.999487 152.999487 152.999487