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San Angelo Region Monitor Summary

Parameter Monitored POC First Valid Data Monitor Status
San Angelo KSJT C5016
    Extinction Coefficient 1 Sep 2, 2005 Active
Day/Night Flag 1 Sep 2, 2005 Active
Present Weather 1 Sep 2, 2005 Active
Present Weather Obscuration 1 Sep 2, 2005 Active
Wind Speed 1 Sep 2, 2005 Active
Resultant Wind Speed 1 Sep 2, 2005 Active
Resultant Wind Direction 1 Sep 2, 2005 Active
Maximum Wind Gust 1 Sep 2, 2005 Active
Standard Deviation of Horizontal Wind Direction 1 Sep 2, 2005 Active
Outdoor Temperature 1 Sep 2, 2005 Active
Dew Point Temperature 1 Sep 2, 2005 Active
Relative Humidity 1 Sep 2, 2005 Active
Visibility 1 Sep 2, 2005 Active
Precipitation 1 Sep 2, 2005 Active

PLEASE NOTE:  This data has not been verified by the TCEQ and may change. This is the most current data, but it is not official until it has been certified by our technical staff. Data is collected from TCEQ ambient monitoring sites and may include data collected by other outside agencies. This data is updated hourly. All times shown are in local standard time unless otherwise indicated.

Following EPA reporting guidelines, negative values may be displayed in our hourly criteria air quality data, down to the negative of the EPA listed Method Detection Limit (MDL) for the particular instrument that made the measurements. The reported concentrations can be negative due to zero drift in the electronic instrument output, data logger channel, or calibration adjustments to the data. Prior to 1/1/2013, slightly negative values were automatically set to zero.