Jacksonville, Florida · field elev 41 ft
Density Altitude at Jacksonville Exec At Craig (KCRG)
Jacksonville Exec At Craig sits at 41 ft, and even a typical July afternoon (91 °F) only lifts density altitude to about 2,111 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 | 54.9 | −202 ft | 65.0 | 461 ft |
| February | 58.0 | 3 ft | 68.3 | 674 ft |
| March | 62.6 | 305 ft | 73.1 | 982 ft |
| April | 68.3 | 674 ft | 78.9 | 1,349 ft |
| May | 74.4 | 1,064 ft | 84.1 | 1,674 ft |
| June | 79.9 | 1,411 ft | 88.6 | 1,952 ft |
| July | 82.2 | 1,555 ft | 91.2 | 2,111 ft |
| August | 81.7 | 1,524 ft | 89.8 | 2,025 ft |
| September | 78.8 | 1,342 ft | 86.2 | 1,804 ft |
| October | 71.9 | 905 ft | 80.1 | 1,424 ft |
| November | 63.3 | 350 ft | 72.9 | 969 ft |
| December | 57.6 | −23 ft | 67.6 | 629 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 KCRG
DENSITY ALTITUDE
Field elevation 41 ft — the air behaves like 2,099 ft.
- PRESSURE ALT
- 42 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 Florida fields
- KJAX — Jacksonville International
Jacksonville · elev 30 ft
- KHEG — Herlong Recreational
Jacksonville · elev 86 ft
- KFHB — Fernandina Beach Municipal
Fernandina Beach · elev 16 ft
- KVQQ — Cecil
Jacksonville · elev 80 ft
- KSGJ — St Augustine
St Augustine · elev 10 ft
- 01J — Hilliard Airpark
Hilliard · elev 59 ft
- 42J — Keystone Heights
Keystone Heights · elev 196 ft
- 28J — Palatka Municipal/Lt Kay Larkin Field
Palatka · elev 48 ft
Frequently asked questions
How high does density altitude get at KCRG in summer?
On a typical July afternoon — around 91 °F at the nearest NOAA normals station — density altitude at Jacksonville Exec At Craig reaches roughly 2,111 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 KCRG on an average day?
It swings with the seasons: from roughly −202 ft at the coldest month's average temperature to about 1,555 ft at the warmest month's — all from a constant field elevation of 41 ft. The month-by-month table above carries the full year.
What is the field elevation of Jacksonville Exec At Craig?
41 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KCRG (ICAO) / CRG (FAA), in Jacksonville, Florida.