On 24 December 1999, I got a new bowling ball.
On 26 December 1999, I got it drilled.

Here's how I've done with it since:
Date House City State Lane Game 1 Game 2 Game 3 Game 4 Game 5 Game 6 Total One-Day Average 30-Day Moving Average All-Time Average
12 January 2000 Strike 'N' Spare II Lockport IL 18 132 188 110 131 561 140.25 140.25 140.25
09 February 2000 Strike 'N' Spare II Lockport IL 15 125 147 118 112 502 125.5 132.88 132.88
11 February 2000 Gala Lanes West Naperville IL 19 135 135 120 390 130 127.43 132.09
24 April 2002 Town and Country Joliet IL 33/34 147 109 133 389 129.67 129.67 131.57