Mifflintown, Pennsylvania · field elev 545 ft
Density Altitude at Mifflintown (P34)
Mifflintown sits at 545 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,363 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 | 29.0 | −1,349 ft | 37.0 | −790 ft |
| February | 31.4 | −1,180 ft | 40.4 | −556 ft |
| March | 39.3 | −632 ft | 49.4 | 54 ft |
| April | 50.8 | 148 ft | 62.6 | 926 ft |
| May | 60.9 | 815 ft | 72.8 | 1,581 ft |
| June | 69.5 | 1,371 ft | 80.7 | 2,078 ft |
| July | 74.0 | 1,657 ft | 85.3 | 2,363 ft |
| August | 72.4 | 1,556 ft | 83.6 | 2,258 ft |
| September | 65.3 | 1,101 ft | 76.8 | 1,834 ft |
| October | 53.7 | 341 ft | 65.0 | 1,081 ft |
| November | 42.8 | −392 ft | 52.6 | 268 ft |
| December | 33.9 | −1,005 ft | 41.4 | −487 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 P34
DENSITY ALTITUDE
Field elevation 545 ft — the air behaves like 2,344 ft.
- PRESSURE ALT
- 546 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
- KRVL — Mifflin County
Reedsville · elev 819 ft
- N16 — Centre Airpark
Centre Hall · elev 1,307 ft
- N74 — Penns Cave
Centre Hall · elev 1,245 ft
- KUNV — State College Regional
State College · elev 1,231 ft
- N96 — Bellefonte
Bellefonte · elev 1,072 ft
- N94 — Carlisle
Carlisle · elev 510 ft
- KSEG — Penn Valley
Selinsgrove · elev 464 ft
- KLHV — William T Piper Meml
Lock Haven · elev 556 ft
Frequently asked questions
How high does density altitude get at P34 in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Mifflintown reaches roughly 2,363 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 P34 on an average day?
It swings with the seasons: from roughly −1,349 ft at the coldest month's average temperature to about 1,657 ft at the warmest month's — all from a constant field elevation of 545 ft. The month-by-month table above carries the full year.
What is the field elevation of Mifflintown?
545 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is P34 (FAA), in Mifflintown, Pennsylvania.