Cedartown, Georgia · field elev 974 ft
Density Altitude at Polk County/Cornelius Moore Field (4A4)
Polk County/Cornelius Moore Field sits at 974 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 3,234 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 | 42.8 | 141 ft | 53.3 | 845 ft |
| February | 46.3 | 378 ft | 57.5 | 1,122 ft |
| March | 53.8 | 878 ft | 66.0 | 1,674 ft |
| April | 62.1 | 1,422 ft | 74.8 | 2,233 ft |
| May | 69.7 | 1,910 ft | 81.5 | 2,651 ft |
| June | 77.4 | 2,396 ft | 88.1 | 3,057 ft |
| July | 80.5 | 2,589 ft | 91.0 | 3,234 ft |
| August | 80.0 | 2,558 ft | 90.5 | 3,204 ft |
| September | 74.0 | 2,183 ft | 85.3 | 2,886 ft |
| October | 62.8 | 1,467 ft | 75.3 | 2,265 ft |
| November | 51.6 | 733 ft | 63.8 | 1,532 ft |
| December | 45.3 | 311 ft | 55.7 | 1,004 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 4A4
DENSITY ALTITUDE
Field elevation 974 ft — the air behaves like 3,234 ft.
- PRESSURE ALT
- 975 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 Georgia fields
- KPUJ — Paulding Northwest Atlanta
Atlanta · elev 1,289 ft
- KVPC — Cartersville
Cartersville · elev 759 ft
- KRMG — Richard B Russell Regional - J H Towers Field
Rome · elev 644 ft
- KCTJ — West Georgia Regional/O V Gray Field
Carrollton · elev 1,165 ft
- KRYY — Cobb County International/Mccollum Field
Atlanta · elev 1,040 ft
- KCZL — Tom B David Field
Calhoun · elev 656 ft
- KFTY — Fulton County Exec/Charlie Brown Field
Atlanta · elev 841 ft
- KCNI — Cherokee County Regional
Canton · elev 1,220 ft
Frequently asked questions
How high does density altitude get at 4A4 in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Polk County/Cornelius Moore Field reaches roughly 3,234 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 4A4 on an average day?
It swings with the seasons: from roughly 141 ft at the coldest month's average temperature to about 2,589 ft at the warmest month's — all from a constant field elevation of 974 ft. The month-by-month table above carries the full year.
What is the field elevation of Polk County/Cornelius Moore Field?
974 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 4A4 (FAA), in Cedartown, Georgia.