Overview of Quality Assurance for December 1996

Below is the quality assurance review by Mark Shafer:
As far as the December flags, everything looked pretty good.  There were
a few inversions which were erroneously flagged by the spatial comparison,
particularly for CHEY and MEDI, but the flags were never more than 1's
(suspect).  There were also some wind directions flagged, but we provide
a range of plus or minus 90 degrees from the estimated with a wind speed
of at least 3 m/s.  I am not sure I want to loosen that threshold anymore,
but if experience indicates otherwise I could do so.  We also had a few
remaining flags on leaf wetness from the persistence routine.

• -180.0 - +180.0(alt)
• accumulated rainfall since 00GMT except at 00 GMT, the number given is the total
  accumulation for the past 24 hours(prec_amt)
• vector average wind magnitude(wvec_10m)
• Time offset from base_time(time_offset)
• Retrieved pressure profile(pres)
• standard deviation of wind speed(wspd_sigma)
• average wind run (arithmetic average speed) at 10m(wspd_10m)
• vector average of wind direction measured at 10m(wdir_10m)
• air temperature at 1.5m(tdry_1_5m)
• base time in epoch(base_time)
• lon(lon)
• maximum 3-second wind speed within the 5-minute averaging period(wspd_max)
• average wind speed at 2m(wspd_2m)
• Relative Humidity (hybrid-b grid)(rh)
• air temperature at 9m(tdry_9m)
• solar radiation(srad)
• standard deviation of wind direction(wdir_sigma)
• North Latitude(lat)

• leaf wetness index, measurement of dew ranging from 0 (dry) to 100(wet)(leaf_ind)
• -180.0 - +180.0(alt)
• soil temperature at 5 cm beneath natural sod cover(tsoil5)
• 10 cm soil temp(tsoil10)
• soil temperature at 5 cm beneath bare soil(tbare5)
• Average battery voltage(vbat)
• base time in epoch(base_time)
• lon(lon)
• soil temperature at 10cm beneath bare soil(tbare10)
• soil temperature at 30 cm beneath bare soil(tbare30)
• Time offset from base_time(time_offset)
• North Latitude(lat)