Vinita, Oklahoma · field elev 702 ft
Density Altitude at Stearmans Roost (OK1)
Stearmans Roost sits at 702 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,903 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 | 37.2 | −581 ft | 48.1 | 162 ft |
| February | 41.5 | −285 ft | 53.0 | 489 ft |
| March | 49.9 | 282 ft | 61.9 | 1,074 ft |
| April | 58.9 | 878 ft | 70.5 | 1,627 ft |
| May | 67.8 | 1,455 ft | 77.9 | 2,095 ft |
| June | 76.5 | 2,007 ft | 86.0 | 2,597 ft |
| July | 81.1 | 2,294 ft | 91.0 | 2,903 ft |
| August | 80.2 | 2,238 ft | 90.7 | 2,885 ft |
| September | 72.5 | 1,754 ft | 83.3 | 2,431 ft |
| October | 61.6 | 1,054 ft | 72.9 | 1,780 ft |
| November | 49.7 | 269 ft | 60.8 | 1,002 ft |
| December | 40.5 | −354 ft | 50.8 | 343 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 OK1
DENSITY ALTITUDE
Field elevation 702 ft — the air behaves like 2,903 ft.
- PRESSURE ALT
- 703 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 Oklahoma fields
- 1K8 — South Grand Lake Regional
Ketchum · elev 783 ft
- H04 — Vinita Municipal
Vinita · elev 695 ft
- 3O9 — Grand Lake Regional
Afton · elev 792 ft
- H71 — Mid-America Industrial
Pryor · elev 622 ft
- KGCM — Claremore Regional
Claremore · elev 733 ft
- KGMJ — Grove Regional
Grove · elev 831 ft
- O18 — Buzzards Roost
Inola · elev 661 ft
- H66 — Nowata Municipal
Nowata · elev 679 ft
Frequently asked questions
How high does density altitude get at OK1 in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Stearmans Roost reaches roughly 2,903 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 OK1 on an average day?
It swings with the seasons: from roughly −581 ft at the coldest month's average temperature to about 2,294 ft at the warmest month's — all from a constant field elevation of 702 ft. The month-by-month table above carries the full year.
What is the field elevation of Stearmans Roost?
702 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is OK1 (FAA), in Vinita, Oklahoma.