Bristow, Oklahoma · field elev 870 ft
Density Altitude at Jones Meml (3F7)
Jones Meml sits at 870 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 3,162 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 | 37.7 | −337 ft | 49.3 | 450 ft |
| February | 42.2 | −29 ft | 54.5 | 796 ft |
| March | 51.3 | 584 ft | 63.9 | 1,410 ft |
| April | 59.5 | 1,125 ft | 72.2 | 1,941 ft |
| May | 67.4 | 1,636 ft | 78.4 | 2,332 ft |
| June | 75.8 | 2,169 ft | 86.7 | 2,845 ft |
| July | 80.5 | 2,462 ft | 91.9 | 3,162 ft |
| August | 79.0 | 2,369 ft | 91.0 | 3,107 ft |
| September | 71.5 | 1,897 ft | 83.8 | 2,667 ft |
| October | 60.2 | 1,170 ft | 73.1 | 1,998 ft |
| November | 49.4 | 457 ft | 61.5 | 1,255 ft |
| December | 39.9 | −186 ft | 51.1 | 571 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 3F7
DENSITY ALTITUDE
Field elevation 870 ft — the air behaves like 3,168 ft.
- PRESSURE ALT
- 871 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
- KSUD — Stroud Municipal
Stroud · elev 901 ft
- KCUH — Cushing Municipal
Cushing · elev 925 ft
- KCQB — Chandler Regional
Chandler · elev 985 ft
- O47 — Prague Municipal
Prague · elev 1,041 ft
- KOKM — Okmulgee Regional/Paul And Betty Abbott Field
Okmulgee · elev 720 ft
- F81 — Okemah Municipal
Okemah · elev 876 ft
- 4F1 — Westport
Westport · elev 901 ft
- KRVS — Tulsa Riverside
Tulsa · elev 638 ft
Frequently asked questions
How high does density altitude get at 3F7 in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Jones Meml reaches roughly 3,162 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 3F7 on an average day?
It swings with the seasons: from roughly −337 ft at the coldest month's average temperature to about 2,462 ft at the warmest month's — all from a constant field elevation of 870 ft. The month-by-month table above carries the full year.
What is the field elevation of Jones Meml?
870 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3F7 (FAA), in Bristow, Oklahoma.