Monroe, Wisconsin · field elev 1,086 ft
Density Altitude at Monroe Municipal (KEFT)
Monroe Municipal sits at 1,086 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,850 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 | 18.8 | −1,398 ft | 26.7 | −834 ft |
| February | 22.7 | −1,118 ft | 31.0 | −532 ft |
| March | 34.3 | −303 ft | 43.5 | 328 ft |
| April | 47.0 | 564 ft | 57.1 | 1,234 ft |
| May | 59.0 | 1,358 ft | 69.6 | 2,041 ft |
| June | 69.3 | 2,022 ft | 79.4 | 2,658 ft |
| July | 72.6 | 2,232 ft | 82.5 | 2,850 ft |
| August | 70.4 | 2,092 ft | 80.1 | 2,701 ft |
| September | 62.3 | 1,573 ft | 72.7 | 2,238 ft |
| October | 49.7 | 745 ft | 59.3 | 1,378 ft |
| November | 36.6 | −144 ft | 44.7 | 409 ft |
| December | 24.7 | −976 ft | 31.7 | −483 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 KEFT
DENSITY ALTITUDE
Field elevation 1,086 ft — the air behaves like 2,881 ft.
- PRESSURE ALT
- 1,087 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 Wisconsin fields
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- KJVL — Southern Wisconsin Regional
Janesville · elev 808 ft
- 58C — Jana
Edgerton · elev 843 ft
- 44C — Beloit
Beloit · elev 817 ft
- C29 — Middleton Municipal/Morey Field
Middleton · elev 928 ft
- KMRJ — Iowa County
Mineral Point · elev 1,171 ft
- KMSN — Dane County Regional/Truax Field
Madison · elev 887 ft
Frequently asked questions
How high does density altitude get at KEFT in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Monroe Municipal reaches roughly 2,850 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 KEFT on an average day?
It swings with the seasons: from roughly −1,398 ft at the coldest month's average temperature to about 2,232 ft at the warmest month's — all from a constant field elevation of 1,086 ft. The month-by-month table above carries the full year.
What is the field elevation of Monroe Municipal?
1,086 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KEFT (ICAO) / EFT (FAA), in Monroe, Wisconsin.