Model Secondary School for the Deaf,  Washington, D.C.   Long;   Lat;

Installing our Frost TubeDecember 12, 2007
   [ January Frost Tube measurement ]

^ Benji and Mike use a corer to make a hole for the frost tube.
^ Wegahta cleans the mud from the corer between drills.
^ We learned that the construction depth for pipes is 33 inches in Washington, D.C.   Our Frost Tube is an equivalent 70 cm.
^ Setting the outter pipe into the hole we drilled.
^ Inserting the inner tube filled with sand & water.
^ A successful project completed!
^ Tucking in the string and capping.
^ The frost tube is set next to the GLOBE weather station.



Measuring frost depth,  January 18, 2008 


12:00 noon -  note snow cover on the ground.




3:00 pm - same day, same place. Snow cover is
almost completely gone.


Feeling the temperature of the frost tube
to see if it feels frozen.


1/18/2008 Results:   We found no frozen zone.  Our air temperatures have been in
the 30's and 40's over the past 2 weeks.  We had snow, but the ground is not frozen.