Baraboo, Wisconsin · field elev 980 ft
Density Altitude at Baraboo/Wisconsin Dells Regional (KDLL)
Baraboo/Wisconsin Dells Regional sits at 980 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,739 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 | 18.6 | −1,546 ft | 27.5 | −910 ft |
| February | 22.4 | −1,273 ft | 32.2 | −581 ft |
| March | 33.6 | −483 ft | 44.1 | 237 ft |
| April | 45.6 | 338 ft | 57.2 | 1,110 ft |
| May | 57.9 | 1,156 ft | 69.6 | 1,911 ft |
| June | 67.6 | 1,784 ft | 79.0 | 2,503 ft |
| July | 71.5 | 2,032 ft | 82.8 | 2,739 ft |
| August | 69.3 | 1,892 ft | 80.9 | 2,622 ft |
| September | 61.7 | 1,403 ft | 73.7 | 2,171 ft |
| October | 49.5 | 600 ft | 60.5 | 1,325 ft |
| November | 36.6 | −276 ft | 45.5 | 331 ft |
| December | 24.9 | −1,094 ft | 33.2 | −511 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 KDLL
DENSITY ALTITUDE
Field elevation 980 ft — the air behaves like 2,752 ft.
- PRESSURE ALT
- 981 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
- C35 — Reedsburg Municipal
Reedsburg · elev 906 ft
- C47 — Portage Municipal
Portage · elev 825 ft
- 91C — Sauk/Prairie
Prairie Du Sac · elev 832 ft
- 94C — Gilbert Field
Rio · elev 927 ft
- 60C — Elroy
Elroy · elev 944 ft
- 82C — Mauston/New Lisbon Union
New Lisbon · elev 908 ft
- 6P3 — Waunakee
Waunakee · elev 954 ft
- KLNR — Tri-County Regional
Lone Rock · elev 717 ft
Frequently asked questions
How high does density altitude get at KDLL in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Baraboo/Wisconsin Dells Regional reaches roughly 2,739 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 KDLL on an average day?
It swings with the seasons: from roughly −1,546 ft at the coldest month's average temperature to about 2,032 ft at the warmest month's — all from a constant field elevation of 980 ft. The month-by-month table above carries the full year.
What is the field elevation of Baraboo/Wisconsin Dells Regional?
980 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KDLL (ICAO) / DLL (FAA), in Baraboo, Wisconsin.