Anaconda, Montana · field elev 5,034 ft
Density Altitude at Bowman Field (3U3)
From a field elevation of 5,034 ft, a typical July afternoon at Bowman Field (83 °F) raises density altitude to about 7,663 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 | 26.3 | 4,064 ft | 36.6 | 4,759 ft |
| February | 27.8 | 4,166 ft | 39.3 | 4,938 ft |
| March | 35.2 | 4,665 ft | 47.5 | 5,475 ft ▲ |
| April | 41.5 | 5,083 ft | 54.7 | 5,937 ft ▲ |
| May | 50.2 | 5,649 ft | 64.1 | 6,529 ft ▲ |
| June | 57.8 | 6,134 ft | 72.5 | 7,048 ft ▲ |
| July | 65.7 | 6,629 ft | 82.7 | 7,663 ft ▲ |
| August | 64.4 | 6,548 ft | 81.5 | 7,592 ft ▲ |
| September | 55.9 | 6,014 ft | 72.2 | 7,029 ft ▲ |
| October | 43.8 | 5,234 ft | 57.1 | 6,090 ft ▲ |
| November | 32.4 | 4,477 ft | 43.4 | 5,208 ft ▲ |
| December | 24.6 | 3,947 ft | 34.4 | 4,612 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 3U3
DENSITY ALTITUDE caution
Field elevation 5,034 ft — the air behaves like 7,681 ft.
- PRESSURE ALT
- 5,036 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 Montana fields
- 38S — Deer Lodge-City-County
Deer Lodge · elev 4,693 ft
- KBTM — Bert Mooney
Butte · elev 5,551 ft
- U05 — Riddick Field
Philipsburg · elev 5,219 ft
- 02T — Wise River
Wise River · elev 5,830 ft
- M26 — Drummond
Drummond · elev 4,245 ft
- 3U9 — Boulder
Boulder · elev 4,968 ft
- 7S4 — Wisdom
Wisdom · elev 6,133 ft
- KRVF — Ruby Valley Field
Twin Bridges · elev 4,789 ft
Frequently asked questions
How high does density altitude get at 3U3 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Bowman Field reaches roughly 7,663 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 3U3 on an average day?
It swings with the seasons: from roughly 3,947 ft at the coldest month's average temperature to about 6,629 ft at the warmest month's — all from a constant field elevation of 5,034 ft. The month-by-month table above carries the full year.
What is the field elevation of Bowman Field?
5,034 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3U3 (FAA), in Anaconda, Montana.