Oceanside, California · field elev 28 ft
Density Altitude at Bob Maxwell Meml Airfield (KOKB)
Bob Maxwell Meml Airfield sits at 28 ft, and even a typical August afternoon (78 °F) only lifts density altitude to about 1,295 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 | 53.6 | −305 ft | 66.7 | 555 ft |
| February | 54.1 | −272 ft | 66.0 | 510 ft |
| March | 56.2 | −132 ft | 66.3 | 529 ft |
| April | 58.3 | 7 ft | 68.9 | 697 ft |
| May | 62.1 | 256 ft | 69.8 | 755 ft |
| June | 65.5 | 477 ft | 72.7 | 940 ft |
| July | 69.3 | 723 ft | 76.5 | 1,182 ft |
| August | 70.2 | 780 ft | 78.3 | 1,295 ft |
| September | 68.5 | 671 ft | 77.8 | 1,264 ft |
| October | 63.8 | 367 ft | 75.0 | 1,087 ft |
| November | 57.4 | −53 ft | 70.9 | 825 ft |
| December | 52.9 | −352 ft | 66.1 | 516 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 KOKB
DENSITY ALTITUDE
Field elevation 28 ft — the air behaves like 1,276 ft.
- PRESSURE ALT
- 29 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
- KCRQ — Mc Clellan-Palomar
Carlsbad · elev 331 ft
- L18 — Fallbrook Community Airpark
Fallbrook · elev 711 ft
- F70 — French Valley
Murrieta/Temecula · elev 1,350 ft
- KRNM — Ramona
Ramona · elev 1,395 ft
- KMYF — Montgomery-Gibbs Exec
San Diego · elev 427 ft
- KSAN — San Diego International
San Diego · elev 17 ft
- KSEE — Gillespie Field
San Diego/El Cajon · elev 388 ft
- L65 — Perris Valley
Perris · elev 1,413 ft
Frequently asked questions
How high does density altitude get at KOKB in summer?
On a typical August afternoon — around 78 °F at the nearest NOAA normals station — density altitude at Bob Maxwell Meml Airfield reaches roughly 1,295 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 KOKB on an average day?
It swings with the seasons: from roughly −352 ft at the coldest month's average temperature to about 780 ft at the warmest month's — all from a constant field elevation of 28 ft. The month-by-month table above carries the full year.
What is the field elevation of Bob Maxwell Meml Airfield?
28 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KOKB (ICAO) / OKB (FAA), in Oceanside, California.