Data Log for the Roper Solar Greenhouse
215 Maywood Street, Blacksburg, Virginia
October 2009

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Monthly weather data

It is desirable to compare the YSGH operation temperature data to the external temperature data. Since there is not a mini-weather-station at the YSGH, the daily high and low temperature data taken at the Blacksburg VA National Weather Service Office are used for comparison. The distance between the weather station and the YSGH is about four miles.

Air temperature, humidity, light intensity and CO2 concentration behind the center post

The intensity sensor does not go higher than 3000 lumens/ft2.
The green-data axis is on the right with the blue data.
The CO2 monitor was not working when the graph shows 0.

Blacksburg VA temperatures for October 2009

Soil temperatures near the center post

Plants pictures

Comparison of the four sections on 12 October 2009 to 27 October 2009:

L. David Roper,;