Neligh, Nebraska · field elev 1,774 ft
Density Altitude at Antelope County (4V9)
Antelope County sits at 1,774 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 3,732 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 | 21.1 | −370 ft | 31.8 | 382 ft |
| February | 25.1 | −86 ft | 36.0 | 672 ft |
| March | 36.0 | 672 ft | 47.4 | 1,443 ft |
| April | 47.0 | 1,416 ft | 58.7 | 2,187 ft |
| May | 58.0 | 2,141 ft | 68.8 | 2,834 ft |
| June | 68.5 | 2,815 ft | 78.8 | 3,461 ft |
| July | 73.1 | 3,105 ft | 83.2 | 3,732 ft |
| August | 70.8 | 2,961 ft | 81.1 | 3,603 ft |
| September | 62.5 | 2,432 ft | 74.9 | 3,218 ft |
| October | 49.2 | 1,563 ft | 62.0 | 2,400 ft |
| November | 35.6 | 644 ft | 47.4 | 1,443 ft |
| December | 24.5 | −129 ft | 35.0 | 603 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 4V9
DENSITY ALTITUDE
Field elevation 1,774 ft — the air behaves like 3,720 ft.
- PRESSURE ALT
- 1,775 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 Nebraska fields
- 6K3 — Creighton Municipal
Creighton · elev 1,653 ft
- KBVN — Albion Municipal
Albion · elev 1,806 ft
- KOFK — Norfolk Regional/Karl Stefan Meml Field
Norfolk · elev 1,573 ft
- 84Y — Bloomfield Municipal
Bloomfield · elev 1,673 ft
- KONL — The O'Neill Municipal-John L Baker Field
O'Neill · elev 2,034 ft
- 97Y — Genoa Municipal
Genoa · elev 1,572 ft
- 0B4 — Hartington Municipal/Bud Becker Field
Hartington · elev 1,388 ft
- KLCG — Wayne Municipal/Stan Morris Field
Wayne · elev 1,432 ft
Frequently asked questions
How high does density altitude get at 4V9 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Antelope County reaches roughly 3,732 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 4V9 on an average day?
It swings with the seasons: from roughly −370 ft at the coldest month's average temperature to about 3,105 ft at the warmest month's — all from a constant field elevation of 1,774 ft. The month-by-month table above carries the full year.
What is the field elevation of Antelope County?
1,774 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4V9 (FAA), in Neligh, Nebraska.