Data Format:  Datalogger Campbell-SurfaceMet (ndn)
Valid Period: 2006-10-30 00:00:00 - 2018-06-06 19:58:00

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:  Temperature (C)
Field  6:  Relative Humidity (%)
Field  7:  Net Radiation (W/m^2)
Field  8:  Battery Voltage (volts)
Field  9:  Precipitation (mm)
Field 10:  Snow Depth (m)