All data from the National Weather Service is considered preliminary until it is reviewed further, and that was the case with the previous measurement of 4.8 inches.
On Thursday at 10:58 a.m. the NWS Hanford CA issued a winter weather advisory valid from Saturday 4 p.m. until Monday 4 p.m. The advisory is for Tehachapi, Grapevine and Frazier Mountain Communities.