Leagues

    USBC has data for Stefanie M Hirata starting from 2001.
    Sport/Challenge average conversions are located at the bottom of the page.

    Recent Composite Averages

    2025: 199 over 102 games (House)
    2024: 198 over 42 games (House)
    2023: 201 over 45 games (House)
    2022: 199 over 21 games (House)
    2020: 185 over 6 games (House)

    League Averages

    2025-2026

  • Sansei League (W) - data not found

    2024-2025

  • Sansei League (W) - 203 over 45 games
    Wild Cards-Summer (S) - 198 over 33 games
    Nikkei Mixed Trios (W) - 191 over 24 games

    2023-2024

  • A League (W) - 207 over 15 games
    Nikkei Mixed Trios (W) - 193 over 27 games

    2022-2023

  • Nikkei Mixed Trios (W) - 205 over 24 games
    A League (W) - 195 over 21 games

    2021-2022

  • Nikkei Mixed Trios (W) - 199 over 21 games

    2019-2020

  • Nikkei Mixed Trios W19 (W) - 185 over 6 games

    2017-2018

  • Ohana S18 (S) - 201 over 24 games

    2016-2017

  • Ohana S17 (S) - 202 over 36 games

    2013-2014

  • Nikkei Mixed Trios W13-14 (W) - 201 over 36 games

    2012-2013

  • Nikkei Mixed Trios (W) - 200 over 21 games

    2011-2012

  • Nikkei Mixed Trios (W) - 211 over 9 games
    Match Point Invitational (W) - 184 over 36 games

    2009-2010

  • Nikkei Mixed Trios (W) - 196 over 60 games
    Match Point Invitational (W) - 193 over 30 games

    2008-2009

  • Nikkei Mixed Trios (W) - 201 over 54 games
    825 Scratch (Summer) (S) - 200 over 39 games
    SJSU Team Booster League (W) - 191 over 45 games

    2007-2008

  • Nikkei Mixed Trios (W) - data not found
    Tuesday Trios (W) - 196 over 72 games

    2006-2007

  • 825 Summer Scratch (S) - 203 over 33 games
    Sansei Mixed League (W) - 190 over 30 games

    2005-2006

  • S J Nisei Mixed 4's Summer (S) - 197 over 30 games
    4th St Nikkei Mixed Trios (W) - 190 over 69 games

    2004-2005

  • 800 Scratch (S) - 196 over 33 games
    4th St Nikkei Mixed Trios (W) - 185 over 45 games
    EBNBA Mystery Trios (W) - 169 over 3 games

    2003-2004

  • 4th St Nikkei Mixed 3's (W) - 216 over 3 games
    EBNBA Mystery Trios (W) - 177 over 57 games

    2002-2003

  • Summer Nisei Handicap (S) - 178 over 39 games
    EBNBA Mystery Trios (W) - 175 over 48 games

    2001-2002

  • EBNBA Mystery Trios (W) - 181 over 66 games

    2000-2001

  • Albany Scratch Divn "A" (W) - 177 over 40 games


Memberships

    Stefanie M Hirata has an active USBC membership.

    Current:

    Santa Clara County USBC - 2025-08-01 - 2026-07-31

    Past:

    Santa Clara County USBC - 2024-08-01 - 2025-07-31
    Santa Clara County USBC - 2023-08-01 - 2024-07-31
    Santa Clara County USBC - 2022-08-01 - 2023-07-31
    Santa Clara County USBC - 2021-08-01 - 2022-07-31
    Santa Clara County USBC - 2019-08-01 - 2020-07-31
    Santa Clara County USBC - 2017-08-01 - 2018-07-31
    Santa Clara County USBC - 2016-08-01 - 2017-07-31
    Santa Clara County USBC - 2013-08-01 - 2014-07-31
    Santa Clara County USBC - 2012-08-01 - 2013-07-31
    Santa Clara County USBC - 2011-08-01 - 2012-07-31
    Santa Clara County USBC - 2009-08-01 - 2010-07-31
    Santa Clara County USBC - 2008-08-01 - 2009-07-31
    USBC HQ - 2008-08-01 - 2009-07-31
    Santa Clara County USBC - 2007-08-01 - 2008-07-31
    San Jose USBC WBA - 2006-08-01 - 2007-07-31
    San Jose USBC WBA - 2005-08-01 - 2006-07-31
    Alameda County WBA - 2004-03-15 - 2005-07-31
    San Jose USBC WBA - 2004-08-01 - 2005-07-31
    Alameda County WBA - 2003-08-01 - 2004-07-31
    San Jose USBC WBA - 2003-08-01 - 2004-07-31
    Alameda County WBA - 2002-08-01 - 2003-07-31
    San Jose USBC WBA - 2002-08-01 - 2003-07-31
    Alameda County WBA - 2001-08-01 - 2002-07-31
    Nor-Cal USBC Youth - 2000-08-01 - 2001-07-31

Honors

11 in a row (1)

  • April 6 2013 at AMF Gastonia


    • Open Championships

    Entering Average: 177

    Why?

    If a bowler does not have a 27 game Open Championship Average, use the Highest Sport Adjusted Average of the last three bowling seasons.
    You currently have bowled 0 games out of the required 27.

    The Math

    Highest league is from: 2022/23
    205 (standard) -> 177 (sport)

    Open Championships average is the most recent 27 games bowled at the Open Championships from 2016 through 2025. To search historical scores from the Open Championships Leaderboard click here.