Quincy, California · field elev 3,419 ft
Density Altitude at Gansner Field (2O1)
From a field elevation of 3,419 ft, a typical July afternoon at Gansner Field (89 °F) raises density altitude to about 6,082 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 | 34.5 | 2,615 ft | 43.9 | 3,246 ft |
| February | 38.0 | 2,851 ft | 49.9 | 3,641 ft |
| March | 42.6 | 3,159 ft | 56.3 | 4,056 ft |
| April | 47.1 | 3,457 ft | 62.3 | 4,439 ft |
| May | 54.7 | 3,953 ft | 70.7 | 4,967 ft |
| June | 61.8 | 4,407 ft | 80.2 | 5,551 ft ▲ |
| July | 68.3 | 4,817 ft | 89.0 | 6,082 ft ▲ |
| August | 66.6 | 4,711 ft | 88.1 | 6,028 ft ▲ |
| September | 61.1 | 4,363 ft | 82.4 | 5,685 ft ▲ |
| October | 50.9 | 3,706 ft | 69.1 | 4,867 ft |
| November | 40.3 | 3,006 ft | 52.3 | 3,797 ft |
| December | 34.2 | 2,595 ft | 43.0 | 3,186 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 2O1
DENSITY ALTITUDE caution
Field elevation 3,419 ft — the air behaves like 6,082 ft.
- PRESSURE ALT
- 3,421 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
- O05 — Rogers Field
Chester · elev 4,534 ft
- O02 — Nervino
Beckwourth · elev 4,900 ft
- KSVE — Susanville Municipal
Susanville · elev 4,149 ft
- O79 — Sierraville Dearwater
Sierraville · elev 4,990 ft
- H37 — Herlong
Herlong · elev 4,062 ft
- KOVE — Oroville Municipal
Oroville · elev 194 ft
- KBLU — Blue Canyon - Nyack
Emigrant Gap · elev 5,284 ft
- KCIC — Chico Regional
Chico · elev 240 ft
Frequently asked questions
How high does density altitude get at 2O1 in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Gansner Field reaches roughly 6,082 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 2O1 on an average day?
It swings with the seasons: from roughly 2,595 ft at the coldest month's average temperature to about 4,817 ft at the warmest month's — all from a constant field elevation of 3,419 ft. The month-by-month table above carries the full year.
What is the field elevation of Gansner Field?
3,419 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 2O1 (FAA), in Quincy, California.