MAV MOS PROB. OF VISIBILITY <= 1/2 MI (%)
Valid 0300 UTC Sunday
Friday Saturday Sunday Monday
12 15 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.