if I was feeling lucky, I could unplug mine and put it in the "killawatt" to check. I guess I just blew my ytd rain last week, so at least I know how to fix it, if I encounter a problem.
Thanks Andrew - I was able to get some readings from an existing unit:
162ma with backlight
16 ma w/o backlight = =0.384 amp-hour/day
With this low a current draw, it would be no problem at all to have it powered directly with the solar powered 12vdc power source (direct wired w/o using included 110/12vdc adapter) year round .