Wall
Noon
18 Feb 1994
Wall
3 pm
18 Feb 1994
Wall
Midnight
18 Feb 1994
Wall
Noon
19 Feb 1994
South Surface
12 cm Into South Surface
4 cm Into South Surface
16 cm Into South Surface
8 cm Into South Surface
North Surface
0
5
10
15
20
25
Temperature (C)
Figure B13. Thermal record, 1819 February.
44