Yazoo City, Mississippi · field elev 105 ft
Density Altitude at Yazoo County (87I)
Yazoo County sits at 105 ft, and even a typical August afternoon (95 °F) only lifts density altitude to about 2,414 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 | 48.5 | −552 ft | 58.4 | 108 ft |
| February | 52.0 | −317 ft | 62.6 | 384 ft |
| March | 59.4 | 174 ft | 70.8 | 914 ft |
| April | 67.5 | 702 ft | 78.9 | 1,427 ft |
| May | 75.6 | 1,219 ft | 86.0 | 1,869 ft |
| June | 82.1 | 1,627 ft | 92.1 | 2,244 ft |
| July | 84.7 | 1,789 ft | 94.3 | 2,378 ft |
| August | 84.6 | 1,783 ft | 94.9 | 2,414 ft |
| September | 79.3 | 1,452 ft | 90.5 | 2,146 ft |
| October | 68.7 | 779 ft | 80.5 | 1,527 ft |
| November | 57.5 | 49 ft | 68.8 | 785 ft |
| December | 51.0 | −384 ft | 60.7 | 259 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 87I
DENSITY ALTITUDE
Field elevation 105 ft — the air behaves like 2,420 ft.
- PRESSURE ALT
- 106 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 Mississippi fields
- 1M2 — Belzoni Municipal
Belzoni · elev 110 ft
- 14M — Hollandale Municipal
Hollandale · elev 114 ft
- 19M — C A Moore
Lexington · elev 340 ft
- KMBO — Bruce Campbell Field
Madison · elev 325 ft
- KJVW — John Bell Williams
Raymond · elev 247 ft
- KHKS — Hawkins Field
Jackson · elev 341 ft
- KIDL — Indianola Municipal
Indianola · elev 126 ft
- KJAN — Jackson-Medgar Wiley Evers International
Jackson · elev 346 ft
Frequently asked questions
How high does density altitude get at 87I in summer?
On a typical August afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Yazoo County reaches roughly 2,414 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 87I on an average day?
It swings with the seasons: from roughly −552 ft at the coldest month's average temperature to about 1,789 ft at the warmest month's — all from a constant field elevation of 105 ft. The month-by-month table above carries the full year.
What is the field elevation of Yazoo County?
105 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 87I (FAA), in Yazoo City, Mississippi.