...
Summary: Stations 1-4 operational
, ISU staff (Kris and Dan) serviced Station #4 around 11:45 CDT to update new tilt correction angle
An updated tilt correction was performed after having moving the sonic cross beam to replace the krypton hygrometer on July 5; 5
likely Likely morning fog event, nearby towns had visibility ~0.5 mile
daytime Daytime continuation of light winds from N to NE, warm, muggy conditions
Vdsm: 13.5-13.8 V during day, down to 12.3 at night
P: ok
T.2m: ok, stns 1-3 give erroneous data from 3:00-10:00 because of the morning moisture;
before dew/fog set in site 1 > site 2 (1.5 degrees) stns 3-4 also reading about 1.0 degree cooler than stn 1
RH.2m: 90-100% nighttime; 65% day
stns 1 5-7%RH lower than stn 4, stn 2-3 close together
erroneous data from 3:00-10:00 as in T.2m
H2O.2m: similar pattern as RH.2m,
erroneous data as in T.2m
Wetness: slight wetness the evening of July 5 (19:00 CDT) dew formation occurring from 22:30 July 5 to 7:00 July 6
sensor dry by 9:00 CDT
...