Can't get that SUMPRODUCT formula to work Pecoflyer.
If helper cells are acceptable I would put in B13 the formula:
LOOKUP(9^9,--LEFT(A13,ROW($1:$100))) and copy down to B66 and then use =AVERAGE(B13:B66).
If helper cells are not acceptable the following array formula seems to work:
=AVERAGE(IF(ISNUMBER(--MID($A$13:$A$66,1,FIND(" ",$A$13:$A$66)-1)),--MID($A$13:$A$66,1,FIND(" ",$A$13:$A$66)-1)))
Edit: My apologi to Pecoflyer. SUMPRODUCT formula does work if no empty cells, otherwise it doesn't.
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