Woodville, Texas · field elev 388 ft
Density Altitude at Tyler County (09R)
Tyler County sits at 388 ft, and even a typical August afternoon (92 °F) only lifts density altitude to about 2,576 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 | 48.7 | −187 ft | 59.6 | 537 ft |
| February | 52.9 | 94 ft | 64.0 | 823 ft |
| March | 59.5 | 530 ft | 70.6 | 1,248 ft |
| April | 65.5 | 921 ft | 76.5 | 1,623 ft |
| May | 73.3 | 1,420 ft | 83.2 | 2,041 ft |
| June | 79.1 | 1,786 ft | 88.8 | 2,387 ft |
| July | 81.3 | 1,923 ft | 91.2 | 2,533 ft |
| August | 81.5 | 1,936 ft | 91.9 | 2,576 ft |
| September | 77.1 | 1,660 ft | 87.5 | 2,307 ft |
| October | 67.4 | 1,043 ft | 79.1 | 1,786 ft |
| November | 58.1 | 438 ft | 69.0 | 1,146 ft |
| December | 50.9 | −40 ft | 61.6 | 667 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 09R
DENSITY ALTITUDE
Field elevation 388 ft — the air behaves like 2,582 ft.
- PRESSURE ALT
- 389 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 Texas fields
- KJAS — Jasper County/Bell Field
Jasper · elev 213 ft
- 45R — Hawthorne Field
Kountze/Silsbee · elev 71 ft
- T12 — Kirbyville
Kirbyville · elev 121 ft
- 00R — Livingston Municipal
Livingston · elev 151 ft
- KLFK — Angelina County
Lufkin · elev 296 ft
- T24 — Pineland Municipal
Pineland · elev 260 ft
- 61R — Newton Municipal
Newton · elev 322 ft
- 6R3 — Cleveland Municipal
Cleveland · elev 150 ft
Frequently asked questions
How high does density altitude get at 09R in summer?
On a typical August afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Tyler County reaches roughly 2,576 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 09R on an average day?
It swings with the seasons: from roughly −187 ft at the coldest month's average temperature to about 1,936 ft at the warmest month's — all from a constant field elevation of 388 ft. The month-by-month table above carries the full year.
What is the field elevation of Tyler County?
388 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 09R (FAA), in Woodville, Texas.