Hyannis, Nebraska · field elev 3,737 ft
Density Altitude at Grant County (1V2)
From a field elevation of 3,737 ft, a typical July afternoon at Grant County (85 °F) raises density altitude to about 6,210 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 26.2 | 2,442 ft | 36.3 | 3,131 ft |
| February | 28.1 | 2,573 ft | 38.4 | 3,273 ft |
| March | 37.2 | 3,192 ft | 48.5 | 3,941 ft |
| April | 45.2 | 3,725 ft | 56.9 | 4,485 ft |
| May | 55.7 | 4,408 ft | 67.1 | 5,131 ft ▲ |
| June | 66.3 | 5,081 ft | 78.1 | 5,810 ft ▲ |
| July | 72.4 | 5,461 ft | 84.7 | 6,210 ft ▲ |
| August | 70.9 | 5,368 ft | 83.5 | 6,138 ft ▲ |
| September | 62.2 | 4,823 ft | 75.3 | 5,639 ft ▲ |
| October | 48.4 | 3,935 ft | 60.3 | 4,702 ft |
| November | 36.7 | 3,158 ft | 47.6 | 3,882 ft |
| December | 27.4 | 2,525 ft | 36.9 | 3,172 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 1V2
DENSITY ALTITUDE caution
Field elevation 3,737 ft — the air behaves like 6,228 ft.
- PRESSURE ALT
- 3,739 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
- KOKS — Garden County/King Rhiley Field
Oshkosh · elev 3,394 ft
- KAIA — Alliance Municipal
Alliance · elev 3,931 ft
- KGRN — Gordon Municipal
Gordon · elev 3,562 ft
- 9V5 — Modisett
Rushville · elev 3,751 ft
- KOGA — Searle Field
Ogallala · elev 3,279 ft
- KTIF — Thomas County
Thedford · elev 2,925 ft
- 4V6 — Hay Springs Municipal
Hay Springs · elev 3,831 ft
- KCNP — Billy G Ray Field
Chappell · elev 3,682 ft
Frequently asked questions
How high does density altitude get at 1V2 in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Grant County reaches roughly 6,210 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 1V2 on an average day?
It swings with the seasons: from roughly 2,442 ft at the coldest month's average temperature to about 5,461 ft at the warmest month's — all from a constant field elevation of 3,737 ft. The month-by-month table above carries the full year.
What is the field elevation of Grant County?
3,737 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1V2 (FAA), in Hyannis, Nebraska.