Lexington, Oklahoma · field elev 1,135 ft
Density Altitude at Mc Caslin (O44)
Mc Caslin sits at 1,135 ft, and even a typical July afternoon (94 °F) only lifts density altitude to about 3,635 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 | 39.2 | 96 ft | 52.2 | 972 ft |
| February | 44.2 | 436 ft | 57.6 | 1,327 ft |
| March | 52.8 | 1,011 ft | 65.8 | 1,859 ft |
| April | 60.7 | 1,529 ft | 73.9 | 2,374 ft |
| May | 69.0 | 2,063 ft | 81.0 | 2,817 ft |
| June | 77.7 | 2,612 ft | 88.6 | 3,284 ft |
| July | 82.3 | 2,897 ft | 94.4 | 3,635 ft |
| August | 81.3 | 2,836 ft | 94.1 | 3,617 ft |
| September | 73.7 | 2,361 ft | 85.7 | 3,107 ft |
| October | 63.1 | 1,685 ft | 76.3 | 2,524 ft |
| November | 50.7 | 872 ft | 63.1 | 1,685 ft |
| December | 41.7 | 267 ft | 53.6 | 1,064 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 O44
DENSITY ALTITUDE
Field elevation 1,135 ft — the air behaves like 3,611 ft.
- PRESSURE ALT
- 1,136 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 Oklahoma fields
- 3O3 — Purcell Municipal - Steven E Shephard Field
Purcell · elev 1,143 ft
- 1K4 — David Jay Perry
Goldsby · elev 1,169 ft
- KOUN — University Of Oklahoma Westheimer
Norman · elev 1,182 ft
- 1K2 — Lindsay Municipal
Lindsay · elev 968 ft
- KOKC — Okc Will Rogers International
Oklahoma City · elev 1,296 ft
- KPVJ — Pauls Valley Municipal
Pauls Valley · elev 971 ft
- KSNL — Shawnee Regional
Shawnee · elev 1,073 ft
- KPWA — Wiley Post
Oklahoma City · elev 1,300 ft
Frequently asked questions
How high does density altitude get at O44 in summer?
On a typical July afternoon — around 94 °F at the nearest NOAA normals station — density altitude at Mc Caslin reaches roughly 3,635 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 O44 on an average day?
It swings with the seasons: from roughly 96 ft at the coldest month's average temperature to about 2,897 ft at the warmest month's — all from a constant field elevation of 1,135 ft. The month-by-month table above carries the full year.
What is the field elevation of Mc Caslin?
1,135 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is O44 (FAA), in Lexington, Oklahoma.