La Verne, California · field elev 1,014 ft
Density Altitude at Brackett Field (KPOC)
Brackett Field sits at 1,014 ft, and even a typical August afternoon (92 °F) only lifts density altitude to about 3,367 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 | 55.5 | 1,040 ft | 67.9 | 1,844 ft |
| February | 55.9 | 1,066 ft | 67.3 | 1,806 ft |
| March | 59.5 | 1,302 ft | 72.0 | 2,105 ft |
| April | 62.7 | 1,510 ft | 75.8 | 2,345 ft |
| May | 66.2 | 1,736 ft | 78.4 | 2,508 ft |
| June | 70.8 | 2,029 ft | 84.3 | 2,873 ft |
| July | 76.3 | 2,376 ft | 90.3 | 3,240 ft |
| August | 77.5 | 2,451 ft | 92.4 | 3,367 ft |
| September | 74.6 | 2,269 ft | 88.7 | 3,143 ft |
| October | 67.2 | 1,800 ft | 80.5 | 2,638 ft |
| November | 60.2 | 1,348 ft | 73.5 | 2,200 ft |
| December | 54.2 | 954 ft | 66.9 | 1,780 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 KPOC
DENSITY ALTITUDE
Field elevation 1,014 ft — the air behaves like 3,343 ft.
- PRESSURE ALT
- 1,015 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
- KCCB — Cable
Upland · elev 1,444 ft
- KONT — Ontario International
Ontario · elev 944 ft
- KCNO — Chino
Chino · elev 650 ft
- KEMT — San Gabriel Valley
El Monte · elev 296 ft
- KAJO — Corona Municipal
Corona · elev 533 ft
- KFUL — Fullerton Municipal
Fullerton · elev 96 ft
- KRAL — Riverside
Riverside · elev 819 ft
- KRIR — Flabob
Riverside/Rubidoux/ · elev 767 ft
Frequently asked questions
How high does density altitude get at KPOC in summer?
On a typical August afternoon — around 92 °F at the nearest NOAA normals station — density altitude at Brackett Field reaches roughly 3,367 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 KPOC on an average day?
It swings with the seasons: from roughly 954 ft at the coldest month's average temperature to about 2,451 ft at the warmest month's — all from a constant field elevation of 1,014 ft. The month-by-month table above carries the full year.
What is the field elevation of Brackett Field?
1,014 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KPOC (ICAO) / POC (FAA), in La Verne, California.