Cashmere, Washington · field elev 858 ft
Density Altitude at Cashmere-Dryden (8S2)
Cashmere-Dryden sits at 858 ft, and even a typical July afternoon (89 °F) only lifts density altitude to about 2,971 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 | 30.7 | −838 ft | 35.8 | −483 ft |
| February | 35.7 | −490 ft | 43.9 | 72 ft |
| March | 43.8 | 65 ft | 54.3 | 768 ft |
| April | 52.2 | 629 ft | 63.9 | 1,396 ft |
| May | 61.2 | 1,221 ft | 73.2 | 1,990 ft |
| June | 67.7 | 1,640 ft | 79.6 | 2,392 ft |
| July | 75.5 | 2,135 ft | 89.0 | 2,971 ft |
| August | 74.6 | 2,078 ft | 88.2 | 2,922 ft |
| September | 65.6 | 1,505 ft | 78.8 | 2,342 ft |
| October | 52.3 | 636 ft | 63.3 | 1,357 ft |
| November | 39.4 | −235 ft | 46.6 | 254 ft |
| December | 31.3 | −796 ft | 36.2 | −455 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 8S2
DENSITY ALTITUDE
Field elevation 858 ft — the air behaves like 2,971 ft.
- PRESSURE ALT
- 859 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
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Cle Elum · elev 1,945 ft
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- 80T — Quincy Municipal
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Frequently asked questions
How high does density altitude get at 8S2 in summer?
On a typical July afternoon — around 89 °F at the nearest NOAA normals station — density altitude at Cashmere-Dryden reaches roughly 2,971 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 8S2 on an average day?
It swings with the seasons: from roughly −838 ft at the coldest month's average temperature to about 2,135 ft at the warmest month's — all from a constant field elevation of 858 ft. The month-by-month table above carries the full year.
What is the field elevation of Cashmere-Dryden?
858 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 8S2 (FAA), in Cashmere, Washington.