Gasquet, California · field elev 356 ft
Density Altitude at Ward Field (0O9)
Ward Field sits at 356 ft, and even a typical August afternoon (66 °F) only lifts density altitude to about 920 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 | 47.2 | −328 ft | 54.3 | 147 ft |
| February | 47.7 | −294 ft | 55.2 | 207 ft |
| March | 48.6 | −234 ft | 56.1 | 267 ft |
| April | 50.5 | −106 ft | 57.9 | 385 ft |
| May | 53.3 | 81 ft | 60.8 | 576 ft |
| June | 55.6 | 234 ft | 63.1 | 726 ft |
| July | 58.3 | 412 ft | 65.4 | 875 ft |
| August | 58.8 | 445 ft | 66.1 | 920 ft |
| September | 57.2 | 339 ft | 65.9 | 907 ft |
| October | 53.8 | 114 ft | 62.1 | 661 ft |
| November | 49.1 | −200 ft | 56.6 | 300 ft |
| December | 46.2 | −396 ft | 53.1 | 68 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 0O9
DENSITY ALTITUDE
Field elevation 356 ft — the air behaves like 914 ft.
- PRESSURE ALT
- 357 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
- KCEC — Jack Mc Namara Field
Crescent City · elev 61 ft
- S51 — Andy Mc Beth
Klamath Glen · elev 42 ft
- 36S — Happy Camp
Happy Camp · elev 1,209 ft
- O21 — Hoopa
Hoopa · elev 356 ft
- KACV — California Redwood Coast-Humboldt County
Arcata/Eureka · elev 222 ft
- A30 — Scott Valley
Fort Jones · elev 2,728 ft
- KEKA — Murray Field
Eureka · elev 11 ft
- O33 — Samoa Field
Eureka · elev 20 ft
Frequently asked questions
How high does density altitude get at 0O9 in summer?
On a typical August afternoon — around 66 °F at the nearest NOAA normals station — density altitude at Ward Field reaches roughly 920 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 0O9 on an average day?
It swings with the seasons: from roughly −396 ft at the coldest month's average temperature to about 445 ft at the warmest month's — all from a constant field elevation of 356 ft. The month-by-month table above carries the full year.
What is the field elevation of Ward Field?
356 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 0O9 (FAA), in Gasquet, California.