Enterprise, Oregon · field elev 4,007 ft
Density Altitude at B & H Usfs (O62)
From a field elevation of 4,007 ft, a typical August afternoon at B & H Usfs (89 °F) raises density altitude to about 6,776 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 27.7 | 2,882 ft | 37.9 | 3,574 ft |
| February | 32.6 | 3,216 ft | 44.8 | 4,032 ft |
| March | 38.5 | 3,614 ft | 51.4 | 4,463 ft |
| April | 44.2 | 3,992 ft | 58.8 | 4,938 ft |
| May | 52.5 | 4,534 ft | 68.9 | 5,573 ft ▲ |
| June | 59.1 | 4,957 ft | 76.8 | 6,060 ft ▲ |
| July | 66.6 | 5,430 ft | 87.8 | 6,723 ft ▲ |
| August | 66.2 | 5,405 ft | 88.7 | 6,776 ft ▲ |
| September | 57.8 | 4,874 ft | 79.5 | 6,224 ft ▲ |
| October | 46.3 | 4,130 ft | 62.8 | 5,191 ft ▲ |
| November | 34.9 | 3,372 ft | 45.7 | 4,091 ft |
| December | 27.1 | 2,841 ft | 36.3 | 3,466 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 O62
DENSITY ALTITUDE caution
Field elevation 4,007 ft — the air behaves like 6,794 ft.
- PRESSURE ALT
- 4,009 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 Oregon fields
- O48 — Salmon Bar
Imnaha · elev 947 ft
- OR8 — Dug Bar Usfs
Imnaha · elev 1,022 ft
- OR9 — Lord Flat Usfs
Imnaha · elev 5,594 ft
- 8S4 — Enterprise Municipal
Enterprise · elev 3,957 ft
- KJSY — Joseph State
Joseph · elev 4,126 ft
- 25U — Memaloose Usfs
Imnaha · elev 6,708 ft
- O29 — Pittsburg Landing
Imnaha · elev 1,185 ft
- O68 — Sluice Creek
Imnaha · elev 1,370 ft
Frequently asked questions
How high does density altitude get at O62 in summer?
On a typical August afternoon — around 89 °F at the nearest NOAA normals station — density altitude at B & H Usfs reaches roughly 6,776 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 O62 on an average day?
It swings with the seasons: from roughly 2,841 ft at the coldest month's average temperature to about 5,430 ft at the warmest month's — all from a constant field elevation of 4,007 ft. The month-by-month table above carries the full year.
What is the field elevation of B & H Usfs?
4,007 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is O62 (FAA), in Enterprise, Oregon.