Sparta, Kentucky · field elev 830 ft
Density Altitude at Gallatin County (8GK)
Gallatin County sits at 830 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,698 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 | 29.1 | −985 ft | 39.6 | −256 ft |
| February | 32.3 | −761 ft | 43.3 | −4 ft |
| March | 41.9 | −99 ft | 54.5 | 747 ft |
| April | 53.3 | 667 ft | 66.7 | 1,542 ft |
| May | 62.9 | 1,296 ft | 74.8 | 2,057 ft |
| June | 70.6 | 1,791 ft | 82.1 | 2,513 ft |
| July | 74.3 | 2,025 ft | 85.1 | 2,698 ft |
| August | 72.9 | 1,937 ft | 84.1 | 2,637 ft |
| September | 66.4 | 1,522 ft | 78.4 | 2,283 ft |
| October | 54.9 | 773 ft | 67.4 | 1,586 ft |
| November | 43.3 | −4 ft | 54.9 | 773 ft |
| December | 34.4 | −615 ft | 44.1 | 51 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 8GK
DENSITY ALTITUDE
Field elevation 830 ft — the air behaves like 2,692 ft.
- PRESSURE ALT
- 831 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
- K62 — Gene Snyder
Falmouth · elev 900 ft
- KCVG — Cincinnati/Northern Kentucky International
Covington · elev 896 ft
- KFFT — Capital City
Frankfort · elev 813 ft
- 27K — Georgetown-Scott County Regional
Georgetown · elev 948 ft
- 0I8 — Cynthiana-Harrison County
Cynthiana · elev 721 ft
- KLEX — Blue Grass
Lexington · elev 980 ft
- KLOU — Bowman Field
Louisville · elev 546 ft
- KSDF — Louisville Muhammad Ali International
Louisville · elev 501 ft
Frequently asked questions
How high does density altitude get at 8GK in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Gallatin County reaches roughly 2,698 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 8GK on an average day?
It swings with the seasons: from roughly −985 ft at the coldest month's average temperature to about 2,025 ft at the warmest month's — all from a constant field elevation of 830 ft. The month-by-month table above carries the full year.
What is the field elevation of Gallatin County?
830 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 8GK (FAA), in Sparta, Kentucky.