Description (Histogram):: The histogram shows the percentage of time that visibility, ceiling and ceiling/visibility for varying flight categories occur.
MVFR GTE 1,000 to LTE 3,000 and/or GTE 3 to LTE 5SM
IFR GTE 500 to LT 1,000 and/or GTE 1 to LT 3SM
LIFR GTE 200 to LT 500 and/or GTE 1/2 to LT 1SM
VLIFR LT 200 and/or LT 1/2SM

If you have any questions, please contact Frank Kieltyka at francis.kieltyka@noaa.gov