Dawson Springs, Kentucky · field elev 405 ft
Density Altitude at Tradewater (8M7)
Tradewater sits at 405 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,432 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 | 36.7 | −985 ft | 46.3 | −328 ft |
| February | 40.6 | −717 ft | 51.1 | −5 ft |
| March | 49.1 | −139 ft | 60.7 | 630 ft |
| April | 59.2 | 531 ft | 71.5 | 1,327 ft |
| May | 67.4 | 1,064 ft | 78.8 | 1,788 ft |
| June | 75.1 | 1,555 ft | 86.1 | 2,241 ft |
| July | 78.5 | 1,769 ft | 89.2 | 2,432 ft |
| August | 77.3 | 1,694 ft | 88.6 | 2,395 ft |
| September | 70.9 | 1,288 ft | 83.3 | 2,068 ft |
| October | 60.0 | 584 ft | 72.7 | 1,403 ft |
| November | 48.5 | −180 ft | 59.7 | 564 ft |
| December | 39.8 | −771 ft | 49.2 | −133 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 8M7
DENSITY ALTITUDE
Field elevation 405 ft — the air behaves like 2,420 ft.
- PRESSURE ALT
- 406 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 Kentucky fields
- 2M0 — Princeton-Caldwell County
Princeton · elev 584 ft
- 2I0 — Madisonville Regional
Madisonville · elev 439 ft
- KHVC — Hopkinsville-Christian County
Hopkinsville · elev 564 ft
- KGDA — Marion-Crittenden County James C Johnson Regional
Marion · elev 653 ft
- 1M9 — Lake Barkley State Park
Cadiz · elev 571 ft
- M21 — Muhlenberg County
Greenville · elev 428 ft
- KTWT — Sturgis Municipal
Sturgis · elev 372 ft
- M34 — Kentucky Dam State Park
Calvert City · elev 351 ft
Frequently asked questions
How high does density altitude get at 8M7 in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Tradewater reaches roughly 2,432 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 8M7 on an average day?
It swings with the seasons: from roughly −985 ft at the coldest month's average temperature to about 1,769 ft at the warmest month's — all from a constant field elevation of 405 ft. The month-by-month table above carries the full year.
What is the field elevation of Tradewater?
405 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 8M7 (FAA), in Dawson Springs, Kentucky.