Monroe City, Missouri · field elev 737 ft
Density Altitude at Cpt Ben Smith Airfield/Monroe City (K52)
Cpt Ben Smith Airfield/Monroe City sits at 737 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 2,652 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 | 26.8 | −1,264 ft | 36.0 | −620 ft |
| February | 30.6 | −996 ft | 39.9 | −351 ft |
| March | 41.8 | −221 ft | 52.0 | 466 ft |
| April | 52.9 | 526 ft | 63.9 | 1,247 ft |
| May | 63.4 | 1,214 ft | 73.1 | 1,835 ft |
| June | 72.7 | 1,810 ft | 82.5 | 2,424 ft |
| July | 76.2 | 2,031 ft | 86.2 | 2,652 ft |
| August | 74.3 | 1,911 ft | 85.0 | 2,579 ft |
| September | 66.9 | 1,440 ft | 78.9 | 2,200 ft |
| October | 55.4 | 691 ft | 66.7 | 1,427 ft |
| November | 42.5 | −174 ft | 52.7 | 512 ft |
| December | 32.0 | −898 ft | 40.7 | −297 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 K52
DENSITY ALTITUDE
Field elevation 737 ft — the air behaves like 2,640 ft.
- PRESSURE ALT
- 738 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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- KMYJ — Mexico Meml
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Frequently asked questions
How high does density altitude get at K52 in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at Cpt Ben Smith Airfield/Monroe City reaches roughly 2,652 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 K52 on an average day?
It swings with the seasons: from roughly −1,264 ft at the coldest month's average temperature to about 2,031 ft at the warmest month's — all from a constant field elevation of 737 ft. The month-by-month table above carries the full year.
What is the field elevation of Cpt Ben Smith Airfield/Monroe City?
737 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is K52 (FAA), in Monroe City, Missouri.