Ravendale, California · field elev 5,306 ft
Density Altitude at Ravendale (O39)
Ravendale is a genuine high-and-hot field: from 5,306 ft of elevation, a typical July afternoon (84 °F) pushes density altitude to about 8,070 ft — the airplane performs like it is 2,764 ft above the field before the wheels roll.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 31.7 | 4,768 ft | 42.5 | 5,484 ft ▲ |
| February | 33.0 | 4,855 ft | 44.9 | 5,641 ft ▲ |
| March | 36.6 | 5,095 ft | 49.5 | 5,938 ft ▲ |
| April | 41.1 | 5,392 ft | 54.8 | 6,277 ft ▲ |
| May | 49.2 | 5,919 ft | 64.1 | 6,862 ft ▲ |
| June | 56.6 | 6,391 ft | 73.5 | 7,439 ft ▲ |
| July | 65.3 | 6,936 ft | 84.0 | 8,070 ft ⚠ |
| August | 64.6 | 6,893 ft | 83.5 | 8,040 ft ⚠ |
| September | 58.3 | 6,499 ft | 77.3 | 7,669 ft ▲ |
| October | 47.7 | 5,822 ft | 64.7 | 6,899 ft ▲ |
| November | 38.1 | 5,195 ft | 51.1 | 6,041 ft ▲ |
| December | 30.7 | 4,700 ft | 42.0 | 5,451 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 O39
DENSITY ALTITUDE high DA
Field elevation 5,306 ft — the air behaves like 8,070 ft.
- PRESSURE ALT
- 5,308 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
- 1Q2 — Spaulding
Susanville · elev 5,116 ft
- KSVE — Susanville Municipal
Susanville · elev 4,149 ft
- A26 — Adin
Adin · elev 4,234 ft
- A24 — California Pines
Alturas · elev 4,389 ft
- O55 — Southard Field
Bieber · elev 4,163 ft
- H37 — Herlong
Herlong · elev 4,062 ft
- KAAT — Alturas Municipal
Alturas · elev 4,378 ft
- O59 — Cedarville
Cedarville · elev 4,623 ft
Frequently asked questions
How high does density altitude get at O39 in summer?
On a typical July afternoon — around 84 °F at the nearest NOAA normals station — density altitude at Ravendale reaches roughly 8,070 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 O39 on an average day?
It swings with the seasons: from roughly 4,700 ft at the coldest month's average temperature to about 6,936 ft at the warmest month's — all from a constant field elevation of 5,306 ft. The month-by-month table above carries the full year.
What is the field elevation of Ravendale?
5,306 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is O39 (FAA), in Ravendale, California.