Concord, California · field elev 26 ft
Density Altitude at Buchanan Field (KCCR)
Buchanan Field sits at 26 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 1,896 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 | 49.4 | −589 ft | 57.6 | −42 ft |
| February | 53.0 | −348 ft | 62.1 | 254 ft |
| March | 56.6 | −108 ft | 66.7 | 553 ft |
| April | 60.1 | 123 ft | 71.2 | 842 ft |
| May | 65.3 | 462 ft | 77.5 | 1,242 ft |
| June | 70.6 | 804 ft | 84.2 | 1,661 ft |
| July | 73.4 | 982 ft | 88.0 | 1,896 ft |
| August | 73.6 | 995 ft | 87.9 | 1,890 ft |
| September | 71.6 | 868 ft | 85.3 | 1,730 ft |
| October | 65.4 | 468 ft | 78.1 | 1,280 ft |
| November | 55.6 | −174 ft | 66.1 | 514 ft |
| December | 49.5 | −582 ft | 58.2 | −2 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 KCCR
DENSITY ALTITUDE
Field elevation 26 ft — the air behaves like 1,896 ft.
- PRESSURE ALT
- 27 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 California fields
- KAPC — Napa County
Napa · elev 36 ft
- KOAK — Oakland San Francisco Bay
Oakland · elev 9 ft
- KHWD — Hayward Exec
Hayward · elev 52 ft
- O88 — Rio Vista Municipal
Rio Vista · elev 23 ft
- KLVK — Livermore Municipal
Livermore · elev 400 ft
- C83 — Byron
Byron · elev 79 ft
- 0Q3 — Sonoma Valley
Schellville/Sonoma · elev 16 ft
- KVCB — Nut Tree
Vacaville · elev 117 ft
Frequently asked questions
How high does density altitude get at KCCR in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Buchanan Field reaches roughly 1,896 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 KCCR on an average day?
It swings with the seasons: from roughly −589 ft at the coldest month's average temperature to about 995 ft at the warmest month's — all from a constant field elevation of 26 ft. The month-by-month table above carries the full year.
What is the field elevation of Buchanan Field?
26 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KCCR (ICAO) / CCR (FAA), in Concord, California.