Prairie Du Chien, Wisconsin · field elev 660 ft
Density Altitude at Prairie Du Chien Municipal (KPDC)
Prairie Du Chien Municipal sits at 660 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,367 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 | 18.4 | −1,962 ft | 27.1 | −1,339 ft |
| February | 22.7 | −1,653 ft | 32.1 | −987 ft |
| March | 34.9 | −792 ft | 44.9 | −106 ft |
| April | 47.6 | 76 ft | 58.6 | 807 ft |
| May | 59.2 | 846 ft | 70.2 | 1,557 ft |
| June | 69.2 | 1,493 ft | 79.6 | 2,150 ft |
| July | 73.1 | 1,741 ft | 83.1 | 2,367 ft |
| August | 71.1 | 1,614 ft | 81.3 | 2,256 ft |
| September | 63.1 | 1,100 ft | 74.2 | 1,811 ft |
| October | 50.9 | 297 ft | 61.7 | 1,009 ft |
| November | 37.0 | −647 ft | 45.9 | −39 ft |
| December | 25.0 | −1,488 ft | 32.9 | −931 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 KPDC
DENSITY ALTITUDE
Field elevation 660 ft — the air behaves like 2,361 ft.
- PRESSURE ALT
- 661 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
- C74 — Cassville Municipal
Cassville · elev 627 ft
- KOVS — Boscobel
Boscobel · elev 673 ft
- 73C — Lancaster Municipal
Lancaster · elev 1,016 ft
- Y51 — Viroqua Municipal
Viroqua · elev 1,292 ft
- KPVB — Platteville Municipal
Platteville · elev 1,025 ft
- 93C — Richland
Richland Center · elev 742 ft
- KMRJ — Iowa County
Mineral Point · elev 1,171 ft
- KLNR — Tri-County Regional
Lone Rock · elev 717 ft
Frequently asked questions
How high does density altitude get at KPDC in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Prairie Du Chien Municipal reaches roughly 2,367 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 KPDC on an average day?
It swings with the seasons: from roughly −1,962 ft at the coldest month's average temperature to about 1,741 ft at the warmest month's — all from a constant field elevation of 660 ft. The month-by-month table above carries the full year.
What is the field elevation of Prairie Du Chien Municipal?
660 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KPDC (ICAO) / PDC (FAA), in Prairie Du Chien, Wisconsin.