Raimo finished with 11 points and 14 rebounds.
Hawaii (11-5, 2-1 Big West Conference) led 45-29 with 15 minutes to play but the Mustangs used a pair of 10-2 runs and then scored six consecutive points to pull within a point with three minutes remaining. Stansberry answered with a 3-pointer and Cal Poly (4-13, 1-2) got no closer.
Colby Rogers led the Mustangs with 18 points and Kyle Colvin scored 11.
Cal Poly has lost 13 consecutive road games dating to last season.
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