Morton, Texas · field elev 3,747 ft
Density Altitude at Cochran County (F85)
From a field elevation of 3,747 ft, a typical July afternoon at Cochran County (93 °F) raises density altitude to about 6,716 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 | 39.7 | 3,372 ft | 55.0 | 4,375 ft |
| February | 43.3 | 3,611 ft | 59.4 | 4,657 ft |
| March | 50.5 | 4,084 ft | 66.9 | 5,131 ft ▲ |
| April | 58.5 | 4,600 ft | 75.4 | 5,657 ft ▲ |
| May | 67.9 | 5,193 ft | 83.5 | 6,150 ft ▲ |
| June | 76.8 | 5,743 ft | 91.9 | 6,651 ft ▲ |
| July | 79.1 | 5,884 ft | 93.0 | 6,716 ft ▲ |
| August | 77.5 | 5,786 ft | 91.6 | 6,633 ft ▲ |
| September | 70.3 | 5,343 ft | 84.5 | 6,210 ft ▲ |
| October | 59.8 | 4,683 ft | 75.2 | 5,645 ft ▲ |
| November | 48.5 | 3,954 ft | 63.8 | 4,936 ft |
| December | 40.6 | 3,432 ft | 55.3 | 4,395 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 F85
DENSITY ALTITUDE caution
Field elevation 3,747 ft — the air behaves like 6,716 ft.
- PRESSURE ALT
- 3,749 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
- KLIU — Littlefield Taylor Brown Municipal
Littlefield · elev 3,616 ft
- KLLN — Levelland Municipal
Levelland · elev 3,514 ft
- 2T1 — Muleshoe Municipal
Muleshoe · elev 3,779 ft
- F98 — Yoakum County
Plains · elev 3,705 ft
- T96 — Southwest Lubbock
Wolfforth · elev 3,265 ft
- KBFE — Terry County
Brownfield · elev 3,265 ft
- E57 — Denver City
Denver City · elev 3,575 ft
- KLBB — Lubbock Preston Smith International
Lubbock · elev 3,282 ft
Frequently asked questions
How high does density altitude get at F85 in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Cochran County reaches roughly 6,716 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 F85 on an average day?
It swings with the seasons: from roughly 3,372 ft at the coldest month's average temperature to about 5,884 ft at the warmest month's — all from a constant field elevation of 3,747 ft. The month-by-month table above carries the full year.
What is the field elevation of Cochran County?
3,747 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is F85 (FAA), in Morton, Texas.