The weather was pretty good, but I have run in better air (mineshaft air). This was real close to zero density altitude, maybe minus 50 ft.

9.104 at 145.3 mph, 59ºF, 29%RH, 30.08"Hg

Earlier this year it went 9.175 at 144; 57ºF, 29%RH, 30.02"Hg
Previous best with this car on E85 was 9.158 at 143.2; 51ºF, 31%RH, 30.28"Hg
Best ever running race alky was 9.121 at 145.3 mph; 52ºF, 21%RH, 30.42"Hg
All these were with the Ron's Flying Toilet injection system.

And... today was through the mufflers! (4" straight thru bullets) LOL

1993 Daytona, 5.50 at 130mph (1/8) 1.19 sixty ft (PG). Link to 572 B1 - Part 1