How to Read the Monthly Summary Form


The Month to Date link and the Latest Monthly Summary links both to what the National Weather Service refers to as an F-6 form. The form may be a little confusing to read at first, and even at a second, glance. So, the following list should help to explain the meaning of each column.

Column 1DayThe day of the month.
Column 2MaxThe day's high temperature.
Column 3MinThe day's low temperature.
Column 4AvgThe day's average temperature.
Column 5DepThe average temperature's departure from normal.
Column 6aHDDHeating Degree Days (65 - Avg = # of HDD). Use when the average temperature (Avg) is less than 65.
Column 6bCDDCooling Degree Days (Avg - 65 = # of CDD). Use when the average temperature (Avg) is greater than 65.
Column 7WtrThe water equivalent of the day's precipitation.
Column 8SnwThe day's snowfall.
Column 9DpthThe depth of the snow, measured at midnight.
Column 10AvgThe average wind speed in miles per hour.
Column 11SpdThe fastest 2 minute wind speed (in mph).
Column 12DirThe average direction of the wind speed, using 360 degrees of a compass. Where 90 is a wind from the east, 360 a wind from the north, etc.
Column 13MinThe number of minutes of sunshine received during the day.
Column 14DayThe percentage of possible minutes of sunshine.
Column 15S-SNo longer used!
Column 16WxWeather (wx) codes for the day (see list of codes on bottom of summary).
Column 17SpdThe highest wind gust for the day (in mph).
Column 18DrThe direction of the day's peak wind gust.


***NOTE: To get back to the data page (F6 monthly data), use the BROWSER's       ARROW.***

   Go back to the Monthly Data Section on the Climatology page.

   Go back to the Climatology page.

   Back to Denver's Home Page



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