Graford, Texas · field elev 1,008 ft
Density Altitude at Possum Kingdom (F35)
Possum Kingdom sits at 1,008 ft, and even a typical July afternoon (98 °F) only lifts density altitude to about 3,679 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 | 43.5 | 231 ft | 57.4 | 1,157 ft |
| February | 47.3 | 487 ft | 61.6 | 1,431 ft |
| March | 55.7 | 1,046 ft | 69.9 | 1,965 ft |
| April | 63.5 | 1,554 ft | 77.9 | 2,469 ft |
| May | 72.4 | 2,123 ft | 85.2 | 2,921 ft |
| June | 81.0 | 2,662 ft | 92.7 | 3,378 ft |
| July | 85.2 | 2,921 ft | 97.7 | 3,679 ft |
| August | 84.7 | 2,891 ft | 97.4 | 3,661 ft |
| September | 76.8 | 2,400 ft | 90.0 | 3,215 ft |
| October | 65.4 | 1,677 ft | 79.5 | 2,569 ft |
| November | 53.5 | 901 ft | 68.0 | 1,843 ft |
| December | 45.4 | 359 ft | 58.6 | 1,236 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 F35
DENSITY ALTITUDE
Field elevation 1,008 ft — the air behaves like 3,696 ft.
- PRESSURE ALT
- 1,009 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 Texas fields
- KRPH — Graham Municipal
Graham · elev 1,123 ft
- KMWL — Mineral Wells Regional
Mineral Wells · elev 974 ft
- 21F — Jacksboro Municipal
Jacksboro · elev 1,062 ft
- KBKD — Stephens County
Breckenridge · elev 1,284 ft
- F23 — Ranger Municipal
Ranger · elev 1,470 ft
- KONY — Olney Municipal
Olney · elev 1,275 ft
- KXBP — Bridgeport Municipal
Bridgeport · elev 864 ft
- F78 — Horseshoe Bend
Weatherford · elev 715 ft
Frequently asked questions
How high does density altitude get at F35 in summer?
On a typical July afternoon — around 98 °F at the nearest NOAA normals station — density altitude at Possum Kingdom reaches roughly 3,679 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 F35 on an average day?
It swings with the seasons: from roughly 231 ft at the coldest month's average temperature to about 2,921 ft at the warmest month's — all from a constant field elevation of 1,008 ft. The month-by-month table above carries the full year.
What is the field elevation of Possum Kingdom?
1,008 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is F35 (FAA), in Graford, Texas.