It’s almost certainly the choice of units, either for display or in the log files. Under Customize, find the precipitation units in BOTH “units for display here” AND in “units in WD or Cumulus log files”. I think you want them in millimeters (?). By the way, if you are using km/hr as units for display, you should choose KNOTS (I know, strange but true!) for the units in log files.
It’s the units in WXSIMATE I’m talking about, not in WXSIM. Under Customize in WXSIMATE, there are the “units for display here” and the
units in WD or Cumulus log files". Set both of those. There’s probably a discrepancy there. Let me know if that takes care of it!
Can you send me the files wxsmini.txt and custinit.txt? I want to check the units in all places. You shouldn’t have to uncheck the boxes in WXSIM, but I do want to make sure the problem is corrected first.