Lake City, South Carolina · field elev 80 ft
Density Altitude at Lake City Municipal Cj Evans Field (51J)
Lake City Municipal Cj Evans Field sits at 80 ft, and even a typical July afternoon (92 °F) only lifts density altitude to about 2,232 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 | 46.0 | −752 ft | 57.6 | 25 ft |
| February | 49.2 | −536 ft | 61.3 | 268 ft |
| March | 55.3 | −128 ft | 68.0 | 703 ft |
| April | 63.6 | 418 ft | 77.1 | 1,283 ft |
| May | 71.4 | 921 ft | 83.4 | 1,678 ft |
| June | 78.4 | 1,365 ft | 89.4 | 2,048 ft |
| July | 81.8 | 1,578 ft | 92.4 | 2,232 ft |
| August | 80.4 | 1,490 ft | 90.5 | 2,116 ft |
| September | 75.3 | 1,169 ft | 85.9 | 1,833 ft |
| October | 65.1 | 516 ft | 77.3 | 1,296 ft |
| November | 55.1 | −141 ft | 68.1 | 709 ft |
| December | 48.8 | −563 ft | 60.6 | 222 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 51J
DENSITY ALTITUDE
Field elevation 80 ft — the air behaves like 2,207 ft.
- PRESSURE ALT
- 81 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 South Carolina fields
- KCKI — Williamsburg Regional
Kingstree · elev 67 ft
- 58J — Huggins Meml
Timmonsville · elev 143 ft
- KFLO — Florence Regional
Florence · elev 147 ft
- 6J7 — Branhams
Darlington · elev 166 ft
- KPHH — Robert F Swinnie
Andrews · elev 26 ft
- KMNI — Santee Cooper Regional
Manning · elev 103 ft
- KMAO — Marion County
Marion · elev 93 ft
- KSMS — Sumter
Sumter · elev 182 ft
Frequently asked questions
How high does density altitude get at 51J in summer?
On a typical July afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Lake City Municipal Cj Evans Field reaches roughly 2,232 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 51J on an average day?
It swings with the seasons: from roughly −752 ft at the coldest month's average temperature to about 1,578 ft at the warmest month's — all from a constant field elevation of 80 ft. The month-by-month table above carries the full year.
What is the field elevation of Lake City Municipal Cj Evans Field?
80 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 51J (FAA), in Lake City, South Carolina.