Boulder Junction, Wisconsin · field elev 1,662 ft
Density Altitude at Boulder Junction Payzer (KBDJ)
Boulder Junction Payzer sits at 1,662 ft, and even a typical July afternoon (78 °F) only lifts density altitude to about 3,243 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 | 10.2 | −1,298 ft | 20.0 | −589 ft |
| February | 14.0 | −1,021 ft | 25.2 | −219 ft |
| March | 25.2 | −219 ft | 36.9 | 594 ft |
| April | 38.9 | 731 ft | 50.4 | 1,504 ft |
| May | 52.8 | 1,662 ft | 64.7 | 2,436 ft |
| June | 62.1 | 2,269 ft | 73.7 | 3,006 ft |
| July | 65.9 | 2,512 ft | 77.5 | 3,243 ft |
| August | 64.1 | 2,397 ft | 75.6 | 3,125 ft |
| September | 56.1 | 1,879 ft | 67.1 | 2,589 ft |
| October | 43.1 | 1,016 ft | 53.1 | 1,682 ft |
| November | 29.3 | 69 ft | 37.1 | 608 ft |
| December | 16.8 | −818 ft | 24.8 | −248 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 KBDJ
DENSITY ALTITUDE
Field elevation 1,662 ft — the air behaves like 3,274 ft.
- PRESSURE ALT
- 1,663 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 Wisconsin fields
- D25 — Manitowish Waters
Manitowish Waters · elev 1,610 ft
- KARV — Lakeland/Noble F Lee Meml Field
Minocqua-Woodruff · elev 1,630 ft
- KLNL — Kings Land O' Lakes
Land O' Lakes · elev 1,706 ft
- KEGV — Eagle River Union
Eagle River · elev 1,642 ft
- 40D — Three Lakes Municipal
Three Lakes · elev 1,637 ft
- KRHI — Rhinelander/Oneida County
Rhinelander · elev 1,623 ft
- KPKF — Park Falls Municipal
Park Falls · elev 1,501 ft
- KPBH — Price County
Phillips · elev 1,497 ft
Frequently asked questions
How high does density altitude get at KBDJ in summer?
On a typical July afternoon — around 78 °F at the nearest NOAA normals station — density altitude at Boulder Junction Payzer reaches roughly 3,243 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 KBDJ on an average day?
It swings with the seasons: from roughly −1,298 ft at the coldest month's average temperature to about 2,512 ft at the warmest month's — all from a constant field elevation of 1,662 ft. The month-by-month table above carries the full year.
What is the field elevation of Boulder Junction Payzer?
1,662 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KBDJ (ICAO) / BDJ (FAA), in Boulder Junction, Wisconsin.