Dyersburg, Tennessee · field elev 338 ft
Density Altitude at Dyersburg Regional (KDYR)
Dyersburg Regional sits at 338 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,320 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 | 36.0 | −1,118 ft | 45.2 | −486 ft |
| February | 40.1 | −834 ft | 49.9 | −169 ft |
| March | 49.0 | −229 ft | 59.6 | 475 ft |
| April | 58.9 | 429 ft | 69.8 | 1,136 ft |
| May | 68.0 | 1,020 ft | 78.1 | 1,662 ft |
| June | 75.7 | 1,511 ft | 85.5 | 2,123 ft |
| July | 79.1 | 1,725 ft | 88.7 | 2,320 ft |
| August | 78.1 | 1,662 ft | 88.6 | 2,313 ft |
| September | 71.5 | 1,244 ft | 82.6 | 1,943 ft |
| October | 60.1 | 508 ft | 72.0 | 1,276 ft |
| November | 48.6 | −256 ft | 59.3 | 455 ft |
| December | 39.8 | −855 ft | 48.8 | −243 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 KDYR
DENSITY ALTITUDE
Field elevation 338 ft — the air behaves like 2,338 ft.
- PRESSURE ALT
- 339 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 Tennessee fields
- M04 — Covington Municipal
Covington · elev 280 ft
- KTGC — Gibson County
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- M53 — Humboldt Municipal
Humboldt · elev 421 ft
- 0M2 — Reelfoot Lake
Tiptonville · elev 289 ft
- KUCY — Everett-Stewart Regional
Union City · elev 346 ft
- KMKL — Jackson Regional
Jackson · elev 435 ft
- KNQA — Millington/Memphis
Millington · elev 322 ft
- KHZD — Sgt Lee Russell Carroll County
Huntingdon · elev 497 ft
Frequently asked questions
How high does density altitude get at KDYR in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Dyersburg Regional reaches roughly 2,320 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 KDYR on an average day?
It swings with the seasons: from roughly −1,118 ft at the coldest month's average temperature to about 1,725 ft at the warmest month's — all from a constant field elevation of 338 ft. The month-by-month table above carries the full year.
What is the field elevation of Dyersburg Regional?
338 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDYR (ICAO) / DYR (FAA), in Dyersburg, Tennessee.