Warren, Arkansas · field elev 235 ft
Density Altitude at Warren Municipal/John B Frazer Jr Field (3M9)
Warren Municipal/John B Frazer Jr Field sits at 235 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,335 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 | 42.4 | −805 ft | 52.4 | −129 ft |
| February | 46.0 | −560 ft | 56.7 | 157 ft |
| March | 53.9 | −29 ft | 65.3 | 719 ft |
| April | 62.1 | 511 ft | 73.4 | 1,239 ft |
| May | 70.4 | 1,048 ft | 80.5 | 1,686 ft |
| June | 77.8 | 1,517 ft | 87.7 | 2,133 ft |
| July | 81.2 | 1,730 ft | 91.0 | 2,335 ft |
| August | 80.3 | 1,674 ft | 90.8 | 2,323 ft |
| September | 74.4 | 1,302 ft | 85.5 | 1,997 ft |
| October | 63.4 | 596 ft | 75.5 | 1,372 ft |
| November | 52.3 | −136 ft | 63.4 | 596 ft |
| December | 45.1 | −621 ft | 55.0 | 44 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 3M9
DENSITY ALTITUDE
Field elevation 235 ft — the air behaves like 2,335 ft.
- PRESSURE ALT
- 236 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 Arkansas fields
- KLLQ — Monticello Municipal/Ellis Field
Monticello · elev 268 ft
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- 5M4 — Fordyce Municipal
Fordyce · elev 193 ft
- 55M — Jb West Municipal Airport
Star City · elev 398 ft
- KCRT — Z M Jack Stell Field
Crossett · elev 184 ft
- 4M5 — Dermott Municipal
Dermott · elev 135 ft
- 0M0 — Billy Free Municipal
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- KCDH — Harrell Field
Camden · elev 130 ft
Frequently asked questions
How high does density altitude get at 3M9 in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Warren Municipal/John B Frazer Jr Field reaches roughly 2,335 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 3M9 on an average day?
It swings with the seasons: from roughly −805 ft at the coldest month's average temperature to about 1,730 ft at the warmest month's — all from a constant field elevation of 235 ft. The month-by-month table above carries the full year.
What is the field elevation of Warren Municipal/John B Frazer Jr Field?
235 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3M9 (FAA), in Warren, Arkansas.