Smoketown, Pennsylvania · field elev 370 ft
Density Altitude at Smoketown (S37)
Smoketown sits at 370 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 2,254 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 | 31.0 | −1,427 ft | 39.9 | −808 ft |
| February | 33.2 | −1,273 ft | 42.8 | −609 ft |
| March | 41.4 | −705 ft | 52.0 | 12 ft |
| April | 52.6 | 52 ft | 64.6 | 840 ft |
| May | 62.4 | 697 ft | 74.5 | 1,474 ft |
| June | 71.2 | 1,264 ft | 82.7 | 1,988 ft |
| July | 75.9 | 1,563 ft | 87.0 | 2,254 ft |
| August | 74.1 | 1,449 ft | 85.1 | 2,137 ft |
| September | 66.9 | 989 ft | 78.2 | 1,707 ft |
| October | 55.1 | 218 ft | 66.4 | 957 ft |
| November | 44.4 | −500 ft | 54.8 | 198 ft |
| December | 35.7 | −1,098 ft | 44.4 | −500 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 S37
DENSITY ALTITUDE
Field elevation 370 ft — the air behaves like 2,254 ft.
- PRESSURE ALT
- 371 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
- KLNS — Lancaster
Lancaster · elev 403 ft
- KMQS — Chester County G O Carlson
Coatesville · elev 660 ft
- 08N — Keller Brothers
Lebanon · elev 550 ft
- 9W8 — Chanceford
Brogue · elev 750 ft
- N71 — Donegal Springs Airpark
Mount Joy/Marietta · elev 458 ft
- 9D4 — Deck
Myerstown · elev 523 ft
- 58N — Reigle Field
Palmyra · elev 489 ft
- KRDG — Reading Regional/Carl A Spaatz Field
Reading · elev 343 ft
Frequently asked questions
How high does density altitude get at S37 in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Smoketown reaches roughly 2,254 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 S37 on an average day?
It swings with the seasons: from roughly −1,427 ft at the coldest month's average temperature to about 1,563 ft at the warmest month's — all from a constant field elevation of 370 ft. The month-by-month table above carries the full year.
What is the field elevation of Smoketown?
370 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is S37 (FAA), in Smoketown, Pennsylvania.