Data Format:  Datalogger Campbell-SurfaceMet (pfd)
Valid Period: 2010-12-07 00:00:00 - 2018-03-15 15:10:00

Field  1:  Datalogger ID
Field  2:  Year (end time of average)
Field  3:  Julian Day (end time of average)
Field  4:  HoursMinutes (end time of average)
Field  5:  Pressure (mb)
Field  6:  Temperature (C)
Field  7:  Relative Humidity (%)
Field  8:  Precipitation (mm)
Field  9:  Battery Voltage (volts)