SELECT fTime, fValue, IIf([fValue]<75, DMin("fTime",'Your_Table_Name',"fTime>" &
Format([fTime], "\#mm\/dd\/yyyy hh:nn:ss\#") & " AND fValue>=75"), [fTime])
AS Next75AndMoreTime,
DateDiff("n",[fTime], IIf([fValue]<75,DMin("fTime", 'Your_Table_Name',"fTime>" &...