Russellville, Kentucky · field elev 692 ft
Density Altitude at Russellville-Logan County (4M7)
Russellville-Logan County sits at 692 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 2,696 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 | 35.1 | −738 ft | 43.8 | −141 ft |
| February | 38.6 | −497 ft | 48.4 | 169 ft |
| March | 47.0 | 75 ft | 57.7 | 787 ft |
| April | 56.7 | 721 ft | 68.5 | 1,487 ft |
| May | 66.0 | 1,327 ft | 77.0 | 2,026 ft |
| June | 74.1 | 1,844 ft | 84.5 | 2,493 ft |
| July | 77.6 | 2,064 ft | 87.8 | 2,696 ft |
| August | 76.1 | 1,970 ft | 87.0 | 2,647 ft |
| September | 69.3 | 1,539 ft | 81.0 | 2,276 ft |
| October | 58.1 | 813 ft | 70.3 | 1,602 ft |
| November | 46.7 | 55 ft | 57.4 | 767 ft |
| December | 38.6 | −497 ft | 47.3 | 96 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 4M7
DENSITY ALTITUDE
Field elevation 692 ft — the air behaves like 2,708 ft.
- PRESSURE ALT
- 693 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
- KBWG — Bowling Green-Warren County Regional
Bowling Green · elev 547 ft
- M21 — Muhlenberg County
Greenville · elev 428 ft
- KHVC — Hopkinsville-Christian County
Hopkinsville · elev 564 ft
- KJQD — Ohio County
Hartford · elev 537 ft
- KGLW — Glasgow Municipal
Glasgow · elev 716 ft
- 2I0 — Madisonville Regional
Madisonville · elev 439 ft
- M20 — Leitchfield-Grayson County
Leitchfield · elev 782 ft
- 8M7 — Tradewater
Dawson Springs · elev 405 ft
Frequently asked questions
How high does density altitude get at 4M7 in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Russellville-Logan County reaches roughly 2,696 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 4M7 on an average day?
It swings with the seasons: from roughly −738 ft at the coldest month's average temperature to about 2,064 ft at the warmest month's — all from a constant field elevation of 692 ft. The month-by-month table above carries the full year.
What is the field elevation of Russellville-Logan County?
692 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4M7 (FAA), in Russellville, Kentucky.