Editing Temps?

Hello well windoze and or memory crashed latest 10.10 version today…Now after reboot and download again of the vp data…WD gives me a high of 71F for the day at 0001 hrs…well actual temp was 78f.How can I add and correct this error in WD?

Thanks
Sean

try
action, reset daily extreme values
and then reset maximum temperature
then you can enter in the correct amount