Wagoner, Oklahoma · field elev 599 ft
Density Altitude at Hefner-Easley (H68)
Hefner-Easley sits at 599 ft, and even a typical August afternoon (93 °F) only lifts density altitude to about 2,869 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 | 39.0 | −585 ft | 49.2 | 108 ft |
| February | 43.7 | −264 ft | 54.7 | 474 ft |
| March | 52.5 | 328 ft | 64.2 | 1,096 ft |
| April | 61.4 | 914 ft | 73.2 | 1,673 ft |
| May | 69.9 | 1,463 ft | 80.1 | 2,106 ft |
| June | 77.5 | 1,944 ft | 87.0 | 2,533 ft |
| July | 82.2 | 2,237 ft | 91.8 | 2,826 ft |
| August | 81.7 | 2,206 ft | 92.5 | 2,869 ft |
| September | 73.8 | 1,711 ft | 84.2 | 2,361 ft |
| October | 62.2 | 966 ft | 73.4 | 1,685 ft |
| November | 51.3 | 248 ft | 62.3 | 973 ft |
| December | 41.9 | −386 ft | 51.9 | 288 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 H68
DENSITY ALTITUDE
Field elevation 599 ft — the air behaves like 2,899 ft.
- PRESSURE ALT
- 600 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
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Frequently asked questions
How high does density altitude get at H68 in summer?
On a typical August afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Hefner-Easley reaches roughly 2,869 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 H68 on an average day?
It swings with the seasons: from roughly −585 ft at the coldest month's average temperature to about 2,237 ft at the warmest month's — all from a constant field elevation of 599 ft. The month-by-month table above carries the full year.
What is the field elevation of Hefner-Easley?
599 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is H68 (FAA), in Wagoner, Oklahoma.