Pampa, Texas · field elev 3,245 ft
Density Altitude at Green Acres Airfield (28X)
From a field elevation of 3,245 ft, a typical July afternoon at Green Acres Airfield (93 °F) raises density altitude to about 6,097 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 36.7 | 2,548 ft | 50.2 | 3,446 ft |
| February | 39.6 | 2,743 ft | 53.6 | 3,667 ft |
| March | 48.1 | 3,308 ft | 62.7 | 4,251 ft |
| April | 56.4 | 3,848 ft | 70.9 | 4,767 ft |
| May | 65.9 | 4,454 ft | 79.5 | 5,297 ft ▲ |
| June | 75.5 | 5,052 ft | 88.4 | 5,835 ft ▲ |
| July | 79.9 | 5,321 ft | 92.8 | 6,097 ft ▲ |
| August | 78.4 | 5,230 ft | 91.3 | 6,008 ft ▲ |
| September | 70.8 | 4,761 ft | 83.7 | 5,552 ft ▲ |
| October | 58.7 | 3,996 ft | 72.5 | 4,866 ft |
| November | 46.6 | 3,209 ft | 60.4 | 4,105 ft |
| December | 37.5 | 2,602 ft | 50.4 | 3,459 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 28X
DENSITY ALTITUDE caution
Field elevation 3,245 ft — the air behaves like 6,109 ft.
- PRESSURE ALT
- 3,247 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
- KPPA — Perry Lefors Field
Pampa · elev 3,245 ft
- T45 — Panhandle-Carson County
Panhandle · elev 3,454 ft
- KBGD — Hutchinson County
Borger · elev 3,055 ft
- 3E0 — Miami-Roberts County
Miami · elev 2,720 ft
- 55T — Eagles Aerodrome
Conway · elev 3,475 ft
- 2E7 — Mc Lean/Gray County
Mc Lean · elev 2,835 ft
- E34 — Smiley Johnson Municipal/Bass Field
Clarendon · elev 2,833 ft
- KAMA — Rick Husband Amarillo International
Amarillo · elev 3,607 ft
Frequently asked questions
How high does density altitude get at 28X in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Green Acres Airfield reaches roughly 6,097 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 28X on an average day?
It swings with the seasons: from roughly 2,548 ft at the coldest month's average temperature to about 5,321 ft at the warmest month's — all from a constant field elevation of 3,245 ft. The month-by-month table above carries the full year.
What is the field elevation of Green Acres Airfield?
3,245 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 28X (FAA), in Pampa, Texas.