Compton, Illinois · field elev 769 ft
Density Altitude at Bresson (C82)
Bresson sits at 769 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,469 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 | 20.2 | −1,695 ft | 28.3 | −1,118 ft |
| February | 24.5 | −1,387 ft | 33.1 | −781 ft |
| March | 35.8 | −594 ft | 46.0 | 103 ft |
| April | 47.6 | 211 ft | 59.0 | 967 ft |
| May | 59.7 | 1,013 ft | 70.9 | 1,735 ft |
| June | 68.7 | 1,595 ft | 79.5 | 2,277 ft |
| July | 72.0 | 1,805 ft | 82.6 | 2,469 ft |
| August | 70.4 | 1,703 ft | 81.2 | 2,383 ft |
| September | 63.3 | 1,247 ft | 75.3 | 2,014 ft |
| October | 51.2 | 452 ft | 62.7 | 1,208 ft |
| November | 38.1 | −435 ft | 47.4 | 198 ft |
| December | 26.4 | −1,252 ft | 34.3 | −698 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 C82
DENSITY ALTITUDE
Field elevation 769 ft — the air behaves like 2,494 ft.
- PRESSURE ALT
- 770 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 Illinois fields
- KRPJ — Rochelle Municipal/Koritz Field
Rochelle · elev 781 ft
- C73 — Dixon Municipal-Charles R Walgreen Field
Dixon · elev 785 ft
- 0C2 — Hinckley
Hinckley · elev 760 ft
- KDKB — De Kalb Taylor Municipal
De Kalb · elev 913 ft
- C55 — Ogle County
Mount Morris · elev 929 ft
- KVYS — Illinois Valley Regional-Walter A Duncan Field
Peru · elev 654 ft
- KSQI — Whiteside County/Jos H Bittorf Field
Sterling/Rockfalls · elev 648 ft
- 8N2 — Skydive Chicago
Ottawa · elev 616 ft
Frequently asked questions
How high does density altitude get at C82 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Bresson reaches roughly 2,469 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 C82 on an average day?
It swings with the seasons: from roughly −1,695 ft at the coldest month's average temperature to about 1,805 ft at the warmest month's — all from a constant field elevation of 769 ft. The month-by-month table above carries the full year.
What is the field elevation of Bresson?
769 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is C82 (FAA), in Compton, Illinois.