Cable, Wisconsin · field elev 1,360 ft
Density Altitude at Cable Union (3CU)
Cable Union sits at 1,360 ft, and even a typical July afternoon (77 °F) only lifts density altitude to about 2,812 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 | 10.9 | −1,628 ft | 19.1 | −1,032 ft |
| February | 15.2 | −1,314 ft | 24.9 | −619 ft |
| March | 27.3 | −449 ft | 36.8 | 211 ft |
| April | 39.2 | 376 ft | 50.2 | 1,117 ft |
| May | 52.2 | 1,250 ft | 63.8 | 2,007 ft |
| June | 61.9 | 1,884 ft | 72.9 | 2,586 ft |
| July | 66.2 | 2,161 ft | 76.5 | 2,812 ft |
| August | 65.1 | 2,090 ft | 75.3 | 2,737 ft |
| September | 57.8 | 1,618 ft | 67.5 | 2,244 ft |
| October | 44.3 | 722 ft | 53.3 | 1,322 ft |
| November | 29.9 | −267 ft | 36.3 | 177 ft |
| December | 17.4 | −1,155 ft | 23.9 | −689 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 3CU
DENSITY ALTITUDE
Field elevation 1,360 ft — the air behaves like 2,843 ft.
- PRESSURE ALT
- 1,361 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
- KHYR — Sawyer County
Hayward · elev 1,216 ft
- 5G4 — Eau Claire Lakes
Drummond · elev 1,212 ft
- Y77 — Bayfield County
Iron River · elev 1,134 ft
- KOLG — Solon Springs Municipal
Solon Springs · elev 1,102 ft
- KASX — John F Kennedy Meml
Ashland · elev 827 ft
- 1H9 — Nest Of Eagles
Spooner · elev 1,115 ft
- KPKF — Park Falls Municipal
Park Falls · elev 1,501 ft
- KSSQ — Shell Lake Municipal
Shell Lake · elev 1,233 ft
Frequently asked questions
How high does density altitude get at 3CU in summer?
On a typical July afternoon — around 77 °F at the nearest NOAA normals station — density altitude at Cable Union reaches roughly 2,812 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 3CU on an average day?
It swings with the seasons: from roughly −1,628 ft at the coldest month's average temperature to about 2,161 ft at the warmest month's — all from a constant field elevation of 1,360 ft. The month-by-month table above carries the full year.
What is the field elevation of Cable Union?
1,360 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 3CU (FAA), in Cable, Wisconsin.