Moscow Mills, Missouri · field elev 559 ft
Density Altitude at Greensfield (M71)
Greensfield sits at 559 ft, and even a typical July afternoon (88 °F) only lifts density altitude to about 2,534 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 | 29.3 | −1,310 ft | 38.9 | −642 ft |
| February | 33.7 | −1,002 ft | 44.3 | −272 ft |
| March | 43.9 | −300 ft | 54.9 | 438 ft |
| April | 54.9 | 438 ft | 66.4 | 1,189 ft |
| May | 64.0 | 1,034 ft | 75.1 | 1,744 ft |
| June | 73.3 | 1,630 ft | 83.7 | 2,281 ft |
| July | 77.1 | 1,870 ft | 87.8 | 2,534 ft |
| August | 75.5 | 1,769 ft | 86.5 | 2,454 ft |
| September | 67.9 | 1,285 ft | 79.7 | 2,032 ft |
| October | 56.3 | 531 ft | 68.0 | 1,292 ft |
| November | 44.3 | −272 ft | 54.5 | 412 ft |
| December | 34.0 | −981 ft | 43.0 | −361 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 M71
DENSITY ALTITUDE
Field elevation 559 ft — the air behaves like 2,546 ft.
- PRESSURE ALT
- 560 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 Missouri fields
- KFYG — Washington Regional
Washington · elev 488 ft
- KSUS — Spirit Of St Louis
St Louis · elev 463 ft
- 1H0 — Creve Coeur
St Louis · elev 462 ft
- KSET — St Charles County Regional/Smartt Field
St Charles · elev 437 ft
- 63M — Hermann Municipal
Hermann · elev 508 ft
- KSTL — St Louis Lambert International
St Louis · elev 617 ft
- H19 — Bowling Green Municipal
Bowling Green · elev 891 ft
- KUUV — Sullivan Regional
Sullivan · elev 933 ft
Frequently asked questions
How high does density altitude get at M71 in summer?
On a typical July afternoon — around 88 °F at the nearest NOAA normals station — density altitude at Greensfield reaches roughly 2,534 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 M71 on an average day?
It swings with the seasons: from roughly −1,310 ft at the coldest month's average temperature to about 1,870 ft at the warmest month's — all from a constant field elevation of 559 ft. The month-by-month table above carries the full year.
What is the field elevation of Greensfield?
559 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is M71 (FAA), in Moscow Mills, Missouri.