How to interpret the Local Climatological Data (WS FORM: F-6)

Column 1  DAY  The day of the month 
Column 2  MAX  The daily high temperature 
Column 3  MIN  The daily low temperature 
Column 4  AVG  The average temperature for the day 
Column 5  DEP  The average temperature's departure from normal 
Column 6A  HDD  Heating Degree Days (65 - Avg = # of HDD) - Counted when the average temperature is less than 65 
Column 6B  CDD  Cooling Degree Days (Avg - 65 = # of CDD) - Counted when the average temperature is greater than 65  
Column 7  WTR  The water equivalent of the day's precipitation  
Column 8  SNO  The day's snowfall 
Column 9  DPTH  The depth of the snow measured at 12 Zulu or 5am MST - 6am MDT 
Column 10  AVG  The average wind speed in miles per hour 
Column 11  SPD  The fastest 2 minute wind speed in mph  
Column 12  DIR  The average direction of the wind speed - Using 360 degrees of a compass 
Column 13  MIN  The number of minutes of sunshine received during the day  
Column 14  DAY  The percentage of possible minutes of sunshine 
Column 15  S-S  Sky Cover: Sunrise to Sunset - Measured in 1/10ths of sky coverage 
Column 16  WX  Weather (WX) codes for the day - See list of codes on bottom of summary 
Column 17  SPD  The highest wind gust for the day in mph 
Column 18  DR  The direction of the day's peak wind gust 

Preliminary Local Climatological Data or National Weather Service F6 form: M appearing in a column indicates missing data

  Go to the Climatology Page

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