MAV MOS PROB. OF VISIBILITY <= 1/2 MI (%)
Valid 1200 UTC Sunday
Thursday Friday Saturday Sunday
18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12

PROB. OF VISIBILITY <= 1/2 MI: The probability that the prevailing visibility at the specified time will be less than or equal to 1/2 mile.