Madill, Oklahoma · field elev 890 ft
Density Altitude at Madill Municipal (1F4)
Madill Municipal sits at 890 ft, and even a typical July afternoon (95 °F) only lifts density altitude to about 3,374 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 | 41.1 | −79 ft | 52.5 | 688 ft |
| February | 45.3 | 206 ft | 57.5 | 1,018 ft |
| March | 53.6 | 761 ft | 66.0 | 1,570 ft |
| April | 62.1 | 1,318 ft | 74.7 | 2,124 ft |
| May | 70.9 | 1,883 ft | 81.8 | 2,568 ft |
| June | 79.4 | 2,418 ft | 90.2 | 3,083 ft |
| July | 84.0 | 2,704 ft | 95.0 | 3,374 ft |
| August | 83.2 | 2,654 ft | 94.9 | 3,367 ft |
| September | 75.4 | 2,168 ft | 87.4 | 2,912 ft |
| October | 64.2 | 1,454 ft | 76.8 | 2,256 ft |
| November | 52.5 | 688 ft | 64.4 | 1,467 ft |
| December | 43.3 | 71 ft | 54.4 | 814 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 1F4
DENSITY ALTITUDE
Field elevation 890 ft — the air behaves like 3,374 ft.
- PRESSURE ALT
- 891 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
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- OK2 — Red River
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- KADM — Ardmore Municipal
Ardmore · elev 777 ft
- 1F0 — Ardmore Downtown Exec
Ardmore · elev 845 ft
- KDUA — Durant Regional/Eaker Field
Durant · elev 699 ft
- F30 — Sulphur Municipal
Sulphur · elev 1,071 ft
- F32 — Healdton Municipal
Healdton · elev 956 ft
- KAQR — Atoka Municipal
Atoka · elev 590 ft
Frequently asked questions
How high does density altitude get at 1F4 in summer?
On a typical July afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Madill Municipal reaches roughly 3,374 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 1F4 on an average day?
It swings with the seasons: from roughly −79 ft at the coldest month's average temperature to about 2,704 ft at the warmest month's — all from a constant field elevation of 890 ft. The month-by-month table above carries the full year.
What is the field elevation of Madill Municipal?
890 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1F4 (FAA), in Madill, Oklahoma.