Here are some Olympia setup and scoring stats for those interested.
R1: 7,299 yards, 72.826 average, 3 rounds under par, 10 at par; 92 degrees, wind WSW 10-15, gust to 20 (weather from the Tour)
R2: 7,293 yards, 72.725 average, 8 rounds under par, 7 at par; 91 degrees, wind SW 10-18
R3: 7,244 yards, 71.391 average, 19 rounds under par, 10 at par; 78 degrees, wind NW 9-17
R4: 7,289 yards, 70.319 average, 33 rounds under par, 4 at par; 77 degrees, wind E 6-12
Overall 71.815 average, 63 rounds under par, 31 at par
Longest drive: 401 yards, DeChambeau, 17th hole, Thursday. Rahm hit 11 fairways and 17 greens on Sunday.
The second hole played 482, 467, 465 and 456 yards, tee to hole.
Finally, Jon Rahm opened with a 75. The last player to open with a 75 and win the Western Open was Walter Hagen, at Highland G&CC in Indianapolis, in 1926.