Beckwourth, California · field elev 4,900 ft
Density Altitude at Nervino (O02)
From a field elevation of 4,900 ft, a typical July afternoon at Nervino (86 °F) raises density altitude to about 7,721 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 31.1 | 4,224 ft | 43.0 | 5,016 ft ▲ |
| February | 33.7 | 4,399 ft | 46.0 | 5,212 ft ▲ |
| March | 38.4 | 4,712 ft | 51.6 | 5,574 ft ▲ |
| April | 43.4 | 5,042 ft | 57.7 | 5,963 ft ▲ |
| May | 51.0 | 5,536 ft | 67.0 | 6,546 ft ▲ |
| June | 58.7 | 6,027 ft | 77.2 | 7,170 ft ▲ |
| July | 65.5 | 6,453 ft | 86.4 | 7,721 ft ▲ |
| August | 63.9 | 6,353 ft | 85.2 | 7,650 ft ▲ |
| September | 58.0 | 5,982 ft | 78.8 | 7,267 ft ▲ |
| October | 48.1 | 5,348 ft | 66.4 | 6,509 ft ▲ |
| November | 38.3 | 4,706 ft | 52.5 | 5,632 ft ▲ |
| December | 30.7 | 4,196 ft | 42.1 | 4,957 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 O02
DENSITY ALTITUDE caution
Field elevation 4,900 ft — the air behaves like 7,697 ft.
- PRESSURE ALT
- 4,902 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
- O79 — Sierraville Dearwater
Sierraville · elev 4,990 ft
- H37 — Herlong
Herlong · elev 4,062 ft
- 2O1 — Gansner Field
Quincy · elev 3,419 ft
- KTRK — Truckee-Tahoe
Truckee · elev 5,904 ft
- KSVE — Susanville Municipal
Susanville · elev 4,149 ft
- KBLU — Blue Canyon - Nyack
Emigrant Gap · elev 5,284 ft
- KGOO — Nevada County
Grass Valley · elev 3,158 ft
- O05 — Rogers Field
Chester · elev 4,534 ft
Frequently asked questions
How high does density altitude get at O02 in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Nervino reaches roughly 7,721 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 O02 on an average day?
It swings with the seasons: from roughly 4,196 ft at the coldest month's average temperature to about 6,453 ft at the warmest month's — all from a constant field elevation of 4,900 ft. The month-by-month table above carries the full year.
What is the field elevation of Nervino?
4,900 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is O02 (FAA), in Beckwourth, California.