Chester, South Carolina · field elev 657 ft
Density Altitude at Chester Catawba Regional (KDCM)
Chester Catawba Regional sits at 657 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,739 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 | 40.3 | −423 ft | 51.1 | 307 ft |
| February | 43.6 | −198 ft | 54.9 | 559 ft |
| March | 50.0 | 233 ft | 63.3 | 1,109 ft |
| April | 59.4 | 855 ft | 71.9 | 1,661 ft |
| May | 67.5 | 1,380 ft | 79.2 | 2,121 ft |
| June | 75.2 | 1,870 ft | 86.0 | 2,543 ft |
| July | 79.0 | 2,109 ft | 89.2 | 2,739 ft |
| August | 77.5 | 2,015 ft | 87.7 | 2,647 ft |
| September | 71.7 | 1,649 ft | 82.1 | 2,302 ft |
| October | 60.2 | 908 ft | 71.7 | 1,649 ft |
| November | 49.3 | 187 ft | 61.2 | 973 ft |
| December | 43.0 | −239 ft | 53.8 | 487 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 KDCM
DENSITY ALTITUDE
Field elevation 657 ft — the air behaves like 2,726 ft.
- PRESSURE ALT
- 658 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
- KUZA — Rock Hill/York County/Bryant Field
Rock Hill · elev 666 ft
- KLKR — Lancaster County-Mc Whirter Field
Lancaster · elev 486 ft
- 35A — Union County, Troy Shelton Field
Union · elev 610 ft
- T73 — Kirk Air Base
Lancaster · elev 578 ft
- KFDW — Fairfield County
Winnsboro · elev 578 ft
- KEOE — Newberry County
Newberry · elev 570 ft
- KSPA — Spartanburg Downtown Meml/Simpson Field
Spartanburg · elev 802 ft
- KLUX — Laurens County
Laurens · elev 698 ft
Frequently asked questions
How high does density altitude get at KDCM in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Chester Catawba Regional reaches roughly 2,739 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 KDCM on an average day?
It swings with the seasons: from roughly −423 ft at the coldest month's average temperature to about 2,109 ft at the warmest month's — all from a constant field elevation of 657 ft. The month-by-month table above carries the full year.
What is the field elevation of Chester Catawba Regional?
657 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDCM (ICAO) / DCM (FAA), in Chester, South Carolina.