West Union, Iowa · field elev 1,232 ft
Density Altitude at George L Scott Municipal (3Y2)
George L Scott Municipal sits at 1,232 ft, and even a typical July afternoon (82 °F) only lifts density altitude to about 2,973 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 | 15.3 | −1,468 ft | 24.5 | −807 ft |
| February | 19.2 | −1,186 ft | 29.0 | −490 ft |
| March | 32.1 | −273 ft | 42.3 | 428 ft |
| April | 45.2 | 624 ft | 57.1 | 1,414 ft |
| May | 57.2 | 1,421 ft | 69.1 | 2,189 ft |
| June | 67.2 | 2,067 ft | 78.5 | 2,780 ft |
| July | 70.5 | 2,278 ft | 81.6 | 2,973 ft |
| August | 68.3 | 2,138 ft | 79.8 | 2,861 ft |
| September | 60.8 | 1,655 ft | 73.5 | 2,467 ft |
| October | 48.3 | 832 ft | 60.3 | 1,623 ft |
| November | 34.1 | −134 ft | 43.9 | 536 ft |
| December | 21.9 | −992 ft | 30.5 | −385 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 3Y2
DENSITY ALTITUDE
Field elevation 1,232 ft — the air behaves like 2,997 ft.
- PRESSURE ALT
- 1,233 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 3Y2 in summer?
On a typical July afternoon — around 82 °F at the nearest NOAA normals station — density altitude at George L Scott Municipal reaches roughly 2,973 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 3Y2 on an average day?
It swings with the seasons: from roughly −1,468 ft at the coldest month's average temperature to about 2,278 ft at the warmest month's — all from a constant field elevation of 1,232 ft. The month-by-month table above carries the full year.
What is the field elevation of George L Scott Municipal?
1,232 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3Y2 (FAA), in West Union, Iowa.