Boonville, California · field elev 379 ft
Density Altitude at Boonville (D83)
Boonville sits at 379 ft, and even a typical July afternoon (94 °F) only lifts density altitude to about 2,692 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 | 47.7 | −266 ft | 58.3 | 440 ft |
| February | 49.9 | −118 ft | 61.0 | 617 ft |
| March | 52.7 | 69 ft | 64.8 | 864 ft |
| April | 55.9 | 282 ft | 69.0 | 1,135 ft |
| May | 62.7 | 728 ft | 77.7 | 1,687 ft |
| June | 68.9 | 1,128 ft | 85.5 | 2,173 ft |
| July | 75.0 | 1,517 ft | 94.0 | 2,692 ft |
| August | 74.1 | 1,460 ft | 93.5 | 2,662 ft |
| September | 69.8 | 1,186 ft | 88.9 | 2,382 ft |
| October | 62.0 | 682 ft | 79.0 | 1,769 ft |
| November | 52.3 | 43 ft | 64.6 | 851 ft |
| December | 46.3 | −360 ft | 56.6 | 328 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 D83
DENSITY ALTITUDE
Field elevation 379 ft — the air behaves like 2,692 ft.
- PRESSURE ALT
- 380 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
- KUKI — Ukiah Municipal
Ukiah · elev 617 ft
- E55 — Ocean Ridge
Gualala · elev 934 ft
- 1O2 — Lampson Field
Lakeport · elev 1,380 ft
- KLLR — Little River
Little River · elev 574 ft
- O60 — Cloverdale Municipal
Cloverdale · elev 276 ft
- O28 — Ells Field/Willits Municipal
Willits · elev 2,066 ft
- KHES — Healdsburg Municipal
Healdsburg · elev 280 ft
- 1Q5 — Gravelly Valley
Upper Lake · elev 1,900 ft
Frequently asked questions
How high does density altitude get at D83 in summer?
On a typical July afternoon — around 94 °F at the nearest NOAA normals station — density altitude at Boonville reaches roughly 2,692 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 D83 on an average day?
It swings with the seasons: from roughly −360 ft at the coldest month's average temperature to about 1,517 ft at the warmest month's — all from a constant field elevation of 379 ft. The month-by-month table above carries the full year.
What is the field elevation of Boonville?
379 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is D83 (FAA), in Boonville, California.