Caddo Mills, Texas · field elev 542 ft
Density Altitude at Caddo Mills Municipal (7F3)
Caddo Mills Municipal sits at 542 ft, and even a typical August afternoon (98 °F) only lifts density altitude to about 3,149 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 | 45.5 | −212 ft | 57.8 | 609 ft |
| February | 49.4 | 51 ft | 61.7 | 864 ft |
| March | 56.7 | 536 ft | 69.3 | 1,354 ft |
| April | 64.8 | 1,065 ft | 77.4 | 1,868 ft |
| May | 73.2 | 1,603 ft | 84.6 | 2,316 ft |
| June | 81.4 | 2,118 ft | 92.6 | 2,806 ft |
| July | 85.6 | 2,378 ft | 97.1 | 3,077 ft |
| August | 85.8 | 2,390 ft | 98.3 | 3,149 ft |
| September | 78.4 | 1,930 ft | 91.3 | 2,727 ft |
| October | 67.3 | 1,226 ft | 80.7 | 2,074 ft |
| November | 55.9 | 483 ft | 68.3 | 1,290 ft |
| December | 47.5 | −77 ft | 59.5 | 720 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 7F3
DENSITY ALTITUDE
Field elevation 542 ft — the air behaves like 3,131 ft.
- PRESSURE ALT
- 543 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
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Frequently asked questions
How high does density altitude get at 7F3 in summer?
On a typical August afternoon — around 98 °F at the nearest NOAA normals station — density altitude at Caddo Mills Municipal reaches roughly 3,149 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 7F3 on an average day?
It swings with the seasons: from roughly −212 ft at the coldest month's average temperature to about 2,390 ft at the warmest month's — all from a constant field elevation of 542 ft. The month-by-month table above carries the full year.
What is the field elevation of Caddo Mills Municipal?
542 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 7F3 (FAA), in Caddo Mills, Texas.