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June 27

I note that there are significant differences among the stations for H2O.10m - H2O.2m.  This appears to be caused by differences among the stations for for RH.2m.

Averaged over the past three days:

RH.2m (ncar2) - RH.2m (ncar4) = - 4.3%

RH.2m (ncar3) - RH.2m (ncar4) = - 0.8%

Some of this could be real, caused by differences in soil moisture and the corn heights.  However for station 2, H2O.10m - H2O.2m is often > 0

except in the middle of the day.  RH.10m is very consistent among the stations, as is both T.10m and T.2m.

I suggested to Dan Rajewski that he swap the 2m TRH sensor at station 2 with one of those intended for station 1.  He hopes to do this on Tuesday.