Mead, Washington · field elev 1,905 ft
Density Altitude at Mead Flying Service (70S)
Mead Flying Service sits at 1,905 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 4,129 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 | 31.8 | 546 ft | 37.8 | 958 ft |
| February | 34.6 | 739 ft | 42.5 | 1,277 ft |
| March | 41.5 | 1,209 ft | 51.3 | 1,864 ft |
| April | 48.1 | 1,652 ft | 59.6 | 2,406 ft |
| May | 56.9 | 2,231 ft | 69.7 | 3,052 ft |
| June | 63.1 | 2,632 ft | 75.8 | 3,434 ft |
| July | 71.5 | 3,165 ft | 87.1 | 4,129 ft |
| August | 70.4 | 3,096 ft | 86.2 | 4,075 ft |
| September | 61.4 | 2,522 ft | 76.0 | 3,447 ft |
| October | 49.1 | 1,718 ft | 60.3 | 2,451 ft |
| November | 37.9 | 965 ft | 45.1 | 1,451 ft |
| December | 31.3 | 511 ft | 36.9 | 896 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 70S
DENSITY ALTITUDE
Field elevation 1,905 ft — the air behaves like 4,123 ft.
- PRESSURE ALT
- 1,906 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 Washington fields
- KSFF — Felts Field
Spokane · elev 1,957 ft
- KDEW — Deer Park
Deer Park · elev 2,211 ft
- KGEG — Spokane International
Spokane · elev 2,385 ft
- 72S — Rosalia Municipal
Rosalia · elev 2,170 ft
- 68S — Davenport
Davenport · elev 2,424 ft
- 1S9 — Chewelah Municipal
Chewelah · elev 2,084 ft
- 73S — Willard Field
Tekoa · elev 2,520 ft
- 63S — Colville Municipal
Colville · elev 1,883 ft
Frequently asked questions
How high does density altitude get at 70S in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Mead Flying Service reaches roughly 4,129 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 70S on an average day?
It swings with the seasons: from roughly 511 ft at the coldest month's average temperature to about 3,165 ft at the warmest month's — all from a constant field elevation of 1,905 ft. The month-by-month table above carries the full year.
What is the field elevation of Mead Flying Service?
1,905 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 70S (FAA), in Mead, Washington.