Sutton, West Virginia · field elev 1,276 ft
Density Altitude at Braxton County (48I)
Braxton County sits at 1,276 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 3,352 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 | 33.0 | −156 ft | 42.7 | 510 ft |
| February | 35.8 | 38 ft | 46.3 | 752 ft |
| March | 43.1 | 537 ft | 55.2 | 1,344 ft |
| April | 53.9 | 1,258 ft | 68.0 | 2,173 ft |
| May | 63.3 | 1,871 ft | 76.1 | 2,684 ft |
| June | 71.3 | 2,382 ft | 83.5 | 3,143 ft |
| July | 75.2 | 2,628 ft | 86.9 | 3,352 ft |
| August | 74.3 | 2,571 ft | 86.0 | 3,297 ft |
| September | 68.3 | 2,192 ft | 80.6 | 2,964 ft |
| October | 56.8 | 1,449 ft | 69.6 | 2,274 ft |
| November | 45.2 | 678 ft | 57.1 | 1,468 ft |
| December | 37.2 | 134 ft | 46.6 | 773 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 48I
DENSITY ALTITUDE
Field elevation 1,276 ft — the air behaves like 3,358 ft.
- PRESSURE ALT
- 1,277 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 West Virginia fields
- 3I4 — Richwood Municipal
Richwood · elev 2,486 ft
- W22 — Upshur County Regional
Buckhannon · elev 1,635 ft
- KSXL — Summersville
Summersville · elev 1,820 ft
- 55I — Slate Run
Spencer · elev 1,001 ft
- KUSW — Boggs Field
Spencer · elev 928 ft
- KEKN — Elkins/Randolph County (Jennings Randolph Field)
Elkins · elev 1,987 ft
- 79D — Philippi/Barbour County Regional
Philippi · elev 1,755 ft
- KCKB — North Central West Virginia
Clarksburg · elev 1,224 ft
Frequently asked questions
How high does density altitude get at 48I in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Braxton County reaches roughly 3,352 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 48I on an average day?
It swings with the seasons: from roughly −156 ft at the coldest month's average temperature to about 2,628 ft at the warmest month's — all from a constant field elevation of 1,276 ft. The month-by-month table above carries the full year.
What is the field elevation of Braxton County?
1,276 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 48I (FAA), in Sutton, West Virginia.