Broken Bow, Oklahoma · field elev 404 ft
Density Altitude at Broken Bow Municipal (90F)
Broken Bow Municipal sits at 404 ft, and even a typical August afternoon (93 °F) only lifts density altitude to about 2,668 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 | 40.8 | −704 ft | 53.4 | 147 ft |
| February | 45.0 | −417 ft | 57.7 | 432 ft |
| March | 53.4 | 147 ft | 66.4 | 998 ft |
| April | 61.1 | 654 ft | 74.2 | 1,497 ft |
| May | 69.2 | 1,178 ft | 80.8 | 1,912 ft |
| June | 76.8 | 1,661 ft | 88.9 | 2,412 ft |
| July | 80.9 | 1,918 ft | 93.0 | 2,662 ft |
| August | 80.7 | 1,905 ft | 93.1 | 2,668 ft |
| September | 74.4 | 1,510 ft | 86.7 | 2,277 ft |
| October | 62.9 | 772 ft | 76.8 | 1,661 ft |
| November | 52.0 | 54 ft | 64.7 | 889 ft |
| December | 43.8 | −499 ft | 55.8 | 306 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 90F
DENSITY ALTITUDE
Field elevation 404 ft — the air behaves like 2,662 ft.
- PRESSURE ALT
- 405 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
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Frequently asked questions
How high does density altitude get at 90F in summer?
On a typical August afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Broken Bow Municipal reaches roughly 2,668 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 90F on an average day?
It swings with the seasons: from roughly −704 ft at the coldest month's average temperature to about 1,918 ft at the warmest month's — all from a constant field elevation of 404 ft. The month-by-month table above carries the full year.
What is the field elevation of Broken Bow Municipal?
404 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 90F (FAA), in Broken Bow, Oklahoma.