Butler, Pennsylvania · field elev 1,333 ft
Density Altitude at Butler Farm Show (3G9)
Butler Farm Show sits at 1,333 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 3,102 ft — heat still trims performance, but the field rarely turns high-and-hot.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 25.8 | −589 ft | 34.3 | 5 ft |
| February | 27.8 | −448 ft | 37.4 | 219 ft |
| March | 35.8 | 109 ft | 46.4 | 830 ft |
| April | 47.3 | 890 ft | 60.0 | 1,728 ft |
| May | 57.4 | 1,558 ft | 70.0 | 2,370 ft |
| June | 66.1 | 2,121 ft | 77.9 | 2,866 ft |
| July | 70.0 | 2,370 ft | 81.7 | 3,102 ft |
| August | 68.8 | 2,293 ft | 80.7 | 3,040 ft |
| September | 61.9 | 1,851 ft | 74.3 | 2,641 ft |
| October | 50.4 | 1,097 ft | 61.9 | 1,851 ft |
| November | 39.7 | 376 ft | 49.7 | 1,050 ft |
| December | 31.2 | −210 ft | 39.1 | 335 ft |
▲ above 5,000 ft · ⚠ above 8,000 ft. These are planning references at standard pressure and dry air — afternoon humidity and low pressure both push the real number higher. Run today's values below.
Run today’s numbers for 3G9
DENSITY ALTITUDE
Field elevation 1,333 ft — the air behaves like 3,121 ft.
- PRESSURE ALT
- 1,334 ft
- ISA DEVIATION
- —
- RULE-OF-THUMB DA
- —
- AIR DENSITY INDEX
- —
- AIR DENSITY
- —
- WATER · GRAINS/LB
- —
For training and reference · verify with official sources and your POH before flight · no tool on this site renders a go / no-go judgment
Nearby Pennsylvania fields
- KBTP — Pittsburgh/Butler Regional
Butler · elev 1,248 ft
- KPJC — Zelienople Municipal
Zelienople · elev 907 ft
- 6P7 — Mcville
Freeport · elev 1,105 ft
- KBVI — Beaver County
Beaver Falls · elev 1,253 ft
- 29D — Grove City
Grove City · elev 1,371 ft
- KUCP — New Castle Municipal
New Castle · elev 1,072 ft
- KPIT — Pittsburgh International
Pittsburgh · elev 1,203 ft
- KAGC — Allegheny County
Pittsburgh · elev 1,252 ft
Frequently asked questions
How high does density altitude get at 3G9 in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at Butler Farm Show reaches roughly 3,102 ft at standard pressure. Hotter-than-normal days, low pressure, and humidity all push it higher, so run the day's actual numbers before flying.
What is the density altitude at 3G9 on an average day?
It swings with the seasons: from roughly −589 ft at the coldest month's average temperature to about 2,370 ft at the warmest month's — all from a constant field elevation of 1,333 ft. The month-by-month table above carries the full year.
What is the field elevation of Butler Farm Show?
1,333 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3G9 (FAA), in Butler, Pennsylvania.