Slab
9 am
17 Feb 1994
Slab
Noon
17 Feb 1994
Slab
6 pm
17 Feb 1994
Slab
Midnight
17 Feb 1994
Surface
4 cm Below Surface
Slab
8.25 cm Below Surface
3 pm
18 Feb 1994
12 cm Below Surface
1.27 cm Below Slab
0
5
10
15
Temperature (C)
Figure B12. Thermal record, 1718 February.
43