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dir.4.5m: ok, see comments of dir.10m
              
 w.4.5m: ok, night:  stn 4 less descent (-0.02 m/s) than stns 2 & 3 (-0.06 m/s), less fluctuation in w (-0.04 m/s) for stn 1
             daytime stn 3 more w<0 (-0.12 m/s) 9:00-13:00 and again at 16:00
             daytime stn 2 w~-0.1 m/s mid morning but going slightly positive to -0.02 m/s after 11:00-16:00  (multiple turbine wake influence?)
                        
 tc.4.5m: ok, stn 2 about 0.3 degree cooler than other sites most of night
ldiag: ok, a few samples not taken in portions of overnight or during the rain events
vh2ov: ok, stn 2 above 100mV, early morning rise to over 200 mV and returning to 150mV by late afternoon
            stn 4 above 100 mV, similar pattern as at Site 2
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