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This file pertains to the data format for the
sub-surface data contained in this directory
for 8937 (Pegasus South).

The data are arranged in 19 columns, as follows:

 1      year
 2      month
 3      day
 4      hour
 5      minute
 6      air temperature (degrees C)
 7      pressure (mb)
 8      wind speed (m/s)
 9      wind direction
10      relative humidity
11      vertical temperature difference (3.0m to 0.5m above ground)
12      temperature at +0.50m
13      temperature at 0m
14      temp. at -0.5m
15      temp. at -1m
16      temp. at -2m
17      temp. at -4m
18      temp. at -8m
19      temp. at -16m

The filenames are arranged 37mmmyyb.sno, where the mmm is the
month, and yy are the last two digits of the year in question.