Vivian, Louisiana · field elev 260 ft
Density Altitude at Vivian (3F4)
Vivian sits at 260 ft, and even a typical August afternoon (94 °F) only lifts density altitude to about 2,572 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 | 45.8 | −542 ft | 56.4 | 168 ft |
| February | 49.9 | −265 ft | 60.8 | 457 ft |
| March | 57.2 | 221 ft | 68.2 | 937 ft |
| April | 64.8 | 718 ft | 75.9 | 1,428 ft |
| May | 72.9 | 1,238 ft | 82.9 | 1,866 ft |
| June | 79.7 | 1,667 ft | 89.5 | 2,274 ft |
| July | 83.6 | 1,910 ft | 93.8 | 2,536 ft |
| August | 83.2 | 1,885 ft | 94.4 | 2,572 ft |
| September | 77.0 | 1,497 ft | 88.6 | 2,218 ft |
| October | 66.2 | 808 ft | 78.1 | 1,566 ft |
| November | 55.4 | 102 ft | 66.0 | 795 ft |
| December | 47.7 | −413 ft | 57.9 | 267 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 3F4
DENSITY ALTITUDE
Field elevation 260 ft — the air behaves like 2,548 ft.
- PRESSURE ALT
- 261 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 Louisiana fields
- KDTN — Shreveport Downtown
Shreveport · elev 180 ft
- KSHV — Shreveport Regional
Shreveport · elev 258 ft
- KSPH — Springhill
Springhill · elev 218 ft
- 5F5 — Bluebird Hill
Keithville · elev 180 ft
- KMNE — Minden
Minden · elev 278 ft
- 3F3 — C E 'Rusty' Williams
Mansfield · elev 324 ft
- 5F4 — Homer Municipal
Homer · elev 244 ft
- 5F0 — Arcadia-Bienville Parish
Arcadia · elev 440 ft
Frequently asked questions
How high does density altitude get at 3F4 in summer?
On a typical August afternoon — around 94 °F at the nearest NOAA normals station — density altitude at Vivian reaches roughly 2,572 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 3F4 on an average day?
It swings with the seasons: from roughly −542 ft at the coldest month's average temperature to about 1,910 ft at the warmest month's — all from a constant field elevation of 260 ft. The month-by-month table above carries the full year.
What is the field elevation of Vivian?
260 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3F4 (FAA), in Vivian, Louisiana.