Decatur, Texas · field elev 931 ft
Density Altitude at Lazy G Bar Ranch (09T)
Lazy G Bar Ranch sits at 931 ft, and even a typical July afternoon (95 °F) only lifts density altitude to about 3,447 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 | 44.7 | 217 ft | 56.2 | 984 ft |
| February | 48.3 | 459 ft | 60.1 | 1,239 ft |
| March | 56.2 | 984 ft | 68.1 | 1,755 ft |
| April | 64.1 | 1,498 ft | 75.7 | 2,237 ft |
| May | 72.5 | 2,035 ft | 82.7 | 2,673 ft |
| June | 80.6 | 2,543 ft | 90.8 | 3,170 ft |
| July | 84.7 | 2,797 ft | 95.4 | 3,447 ft |
| August | 84.1 | 2,760 ft | 94.9 | 3,417 ft |
| September | 76.7 | 2,300 ft | 88.5 | 3,030 ft |
| October | 66.2 | 1,634 ft | 78.6 | 2,419 ft |
| November | 55.0 | 905 ft | 66.9 | 1,678 ft |
| December | 46.6 | 345 ft | 58.0 | 1,102 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 09T
DENSITY ALTITUDE
Field elevation 931 ft — the air behaves like 3,423 ft.
- PRESSURE ALT
- 932 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
- 76T — Bishop
Decatur · elev 888 ft
- 35X — Triple-Ace Field
Decatur · elev 1,010 ft
- KLUD — Decatur Municipal
Decatur · elev 1,047 ft
- T28 — Cain
Slidell · elev 917 ft
- 58T — Heritage Creek Airstrip
Decatur · elev 883 ft
- E58 — Bird Dog Airfield
Krum · elev 895 ft
- T76 — Rhome Meadows
Rhome · elev 900 ft
- 3TX — Akroville
Slidell · elev 895 ft
Frequently asked questions
How high does density altitude get at 09T in summer?
On a typical July afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Lazy G Bar Ranch reaches roughly 3,447 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 09T on an average day?
It swings with the seasons: from roughly 217 ft at the coldest month's average temperature to about 2,797 ft at the warmest month's — all from a constant field elevation of 931 ft. The month-by-month table above carries the full year.
What is the field elevation of Lazy G Bar Ranch?
931 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 09T (FAA), in Decatur, Texas.