Camas, Washington · field elev 429 ft
Density Altitude at Grove Field (1W1)
Grove Field sits at 429 ft, and even a typical August afternoon (80 °F) only lifts density altitude to about 1,899 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 | 38.8 | −810 ft | 44.4 | −427 ft |
| February | 40.9 | −666 ft | 48.5 | −150 ft |
| March | 44.2 | −441 ft | 53.6 | 191 ft |
| April | 48.6 | −143 ft | 59.1 | 554 ft |
| May | 54.8 | 271 ft | 66.5 | 1,036 ft |
| June | 59.3 | 568 ft | 71.3 | 1,343 ft |
| July | 64.9 | 932 ft | 79.4 | 1,855 ft |
| August | 65.0 | 939 ft | 80.1 | 1,899 ft |
| September | 59.9 | 607 ft | 74.0 | 1,515 ft |
| October | 51.8 | 71 ft | 62.3 | 764 ft |
| November | 43.8 | −468 ft | 50.6 | −9 ft |
| December | 38.5 | −831 ft | 43.9 | −461 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 1W1
DENSITY ALTITUDE
Field elevation 429 ft — the air behaves like 1,892 ft.
- PRESSURE ALT
- 430 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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Frequently asked questions
How high does density altitude get at 1W1 in summer?
On a typical August afternoon — around 80 °F at the nearest NOAA normals station — density altitude at Grove Field reaches roughly 1,899 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 1W1 on an average day?
It swings with the seasons: from roughly −831 ft at the coldest month's average temperature to about 939 ft at the warmest month's — all from a constant field elevation of 429 ft. The month-by-month table above carries the full year.
What is the field elevation of Grove Field?
429 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1W1 (FAA), in Camas, Washington.