Burlington, Iowa · field elev 699 ft
Density Altitude at Southeast Iowa Regional (KBRL)
Southeast Iowa Regional sits at 699 ft, and even a typical July afternoon (85 °F) only lifts density altitude to about 2,545 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 | 24.3 | −1,489 ft | 32.3 | −925 ft |
| February | 28.8 | −1,170 ft | 37.2 | −584 ft |
| March | 40.7 | −344 ft | 50.2 | 299 ft |
| April | 52.3 | 439 ft | 62.8 | 1,129 ft |
| May | 63.0 | 1,142 ft | 73.1 | 1,789 ft |
| June | 72.5 | 1,751 ft | 82.3 | 2,365 ft |
| July | 75.6 | 1,947 ft | 85.2 | 2,545 ft |
| August | 73.8 | 1,833 ft | 83.5 | 2,440 ft |
| September | 66.7 | 1,380 ft | 77.5 | 2,066 ft |
| October | 54.2 | 565 ft | 64.5 | 1,239 ft |
| November | 41.0 | −323 ft | 49.8 | 272 ft |
| December | 29.9 | −1,093 ft | 37.4 | −571 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 KBRL
DENSITY ALTITUDE
Field elevation 699 ft — the air behaves like 2,532 ft.
- PRESSURE ALT
- 700 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 Iowa fields
- KFSW — Fort Madison Municipal
Fort Madison · elev 722 ft
- KMPZ — Mount Pleasant Municipal
Mount Pleasant · elev 731 ft
- KEOK — Keokuk Municipal
Keokuk · elev 672 ft
- KMUT — Muscatine Municipal
Muscatine · elev 547 ft
- 6K9 — Keosauqua Municipal
Keosauqua · elev 580 ft
- KAWG — Washington Municipal
Washington · elev 754 ft
- KFFL — Fairfield Municipal
Fairfield · elev 801 ft
- KIOW — Iowa City Municipal
Iowa City · elev 684 ft
Frequently asked questions
How high does density altitude get at KBRL in summer?
On a typical July afternoon — around 85 °F at the nearest NOAA normals station — density altitude at Southeast Iowa Regional reaches roughly 2,545 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 KBRL on an average day?
It swings with the seasons: from roughly −1,489 ft at the coldest month's average temperature to about 1,947 ft at the warmest month's — all from a constant field elevation of 699 ft. The month-by-month table above carries the full year.
What is the field elevation of Southeast Iowa Regional?
699 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBRL (ICAO) / BRL (FAA), in Burlington, Iowa.