Amarillo, Texas · field elev 3,639 ft
Density Altitude at Palo Duro (1E4)
From a field elevation of 3,639 ft, a typical July afternoon at Palo Duro (92 °F) raises density altitude to about 6,526 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 | 36.2 | 3,003 ft | 50.7 | 3,964 ft |
| February | 39.7 | 3,238 ft | 54.6 | 4,217 ft |
| March | 47.4 | 3,748 ft | 62.6 | 4,728 ft |
| April | 55.1 | 4,249 ft | 70.4 | 5,217 ft ▲ |
| May | 64.5 | 4,848 ft | 79.0 | 5,746 ft ▲ |
| June | 74.3 | 5,458 ft | 88.4 | 6,313 ft ▲ |
| July | 78.4 | 5,709 ft | 92.0 | 6,526 ft ▲ |
| August | 76.9 | 5,618 ft | 90.3 | 6,426 ft ▲ |
| September | 69.8 | 5,180 ft | 83.7 | 6,031 ft ▲ |
| October | 57.6 | 4,410 ft | 72.5 | 5,347 ft ▲ |
| November | 46.0 | 3,656 ft | 60.8 | 4,614 ft |
| December | 36.8 | 3,044 ft | 50.8 | 3,971 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 1E4
DENSITY ALTITUDE caution
Field elevation 3,639 ft — the air behaves like 6,526 ft.
- PRESSURE ALT
- 3,641 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
- KTDW — Tradewind
Amarillo · elev 3,649 ft
- 1E7 — Buffalo
Amarillo · elev 3,640 ft
- H81 — River Falls
Amarillo · elev 3,585 ft
- KAMA — Rick Husband Amarillo International
Amarillo · elev 3,607 ft
- 55T — Eagles Aerodrome
Conway · elev 3,475 ft
- T45 — Panhandle-Carson County
Panhandle · elev 3,454 ft
- E52 — Oldham County
Vega · elev 3,995 ft
- KHRX — Hereford Municipal
Hereford · elev 3,788 ft
Frequently asked questions
How high does density altitude get at 1E4 in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Palo Duro reaches roughly 6,526 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 1E4 on an average day?
It swings with the seasons: from roughly 3,003 ft at the coldest month's average temperature to about 5,709 ft at the warmest month's — all from a constant field elevation of 3,639 ft. The month-by-month table above carries the full year.
What is the field elevation of Palo Duro?
3,639 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1E4 (FAA), in Amarillo, Texas.