The data files are in a tab deliminated text format.
Each line is a different report.
Here is an example line with columns denoted for reference.
20:57,03/06/02,NE,06MPH,000K,460F,028F,077%,30.18R,00.00"D,00.00"M,00.00"R, 1 2 3 4 5 6 7 8 9 10 11 12
|Column||Ex||Data Type / Units|
|1||20:57||Time of Day in the Central Standard Timezone. Hours are in a two digit form. To get the PM equivalent, subtract 12 from numbers larger than 13. In this example, 20:57 equates to 8:57PM.|
|2||03/06/02||Date of the observation in the Central Standard Timezone. The format is mm/dd/yy. In this example, 06 March 2002.|
|3||NE||Textual representation of where the wind is blowing from. (Wind Direction)|
|4||06MPH||Instaneous wind speed in miles per hour.|
|5||000K||Solar Radiation. Multiply by 10 to get values in Watts per meter squared.|
|6||460F||Indoor Temperature in degrees Fahrenhit. The value of 460F means that this variable is not measured at this station or that the value is in error.|
|7||028F||Outdoor Temperature in degrees Fahrenhit.|
|8||077%||Humidity expressed as a precentage.|
|9||30.18R||Barometric pressure expressed in inches of mercury. The character at the end represents the change in pressure. 'S' == Steady. 'R' == Raising. 'F' == Falling.|
|10||00.00"D||Accumulation of precipitation in inches for the current day.|
|11||00.00"M||Accumulation of precipitation in inches for the current month.|
|12||00.00"R||Calculated current hourly precipitation rate.|