Sparta, Tennessee · field elev 1,025 ft
Density Altitude at Upper Cumberland Regional (KSRB)
Upper Cumberland Regional sits at 1,025 ft, and even a typical July afternoon (87 °F) only lifts density altitude to about 3,071 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 | 37.0 | −192 ft | 47.1 | 495 ft |
| February | 40.2 | 28 ft | 51.4 | 782 ft |
| March | 47.7 | 535 ft | 60.0 | 1,348 ft |
| April | 56.5 | 1,119 ft | 69.8 | 1,979 ft |
| May | 65.4 | 1,698 ft | 77.5 | 2,465 ft |
| June | 73.1 | 2,188 ft | 84.3 | 2,887 ft |
| July | 76.7 | 2,415 ft | 87.3 | 3,071 ft |
| August | 75.5 | 2,340 ft | 86.9 | 3,046 ft |
| September | 69.7 | 1,973 ft | 81.9 | 2,739 ft |
| October | 58.4 | 1,244 ft | 71.9 | 2,112 ft |
| November | 47.7 | 535 ft | 60.4 | 1,374 ft |
| December | 40.6 | 55 ft | 50.9 | 749 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 KSRB
DENSITY ALTITUDE
Field elevation 1,025 ft — the air behaves like 3,052 ft.
- PRESSURE ALT
- 1,026 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 Tennessee fields
- 0A3 — Smithville Municipal
Smithville · elev 1,084 ft
- 1A7 — Jackson County
Gainesboro · elev 517 ft
- KCSV — Crossville Meml-Whitson Field
Crossville · elev 1,882 ft
- 8A3 — Livingston Municipal
Livingston · elev 1,372 ft
- KRNC — Warren County Meml
Mc Minnville · elev 1,032 ft
- 2A1 — Jamestown Municipal
Jamestown · elev 1,694 ft
- 3M7 — Lafayette Municipal
Lafayette · elev 969 ft
- M54 — Lebanon Municipal
Lebanon · elev 588 ft
Frequently asked questions
How high does density altitude get at KSRB in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Upper Cumberland Regional reaches roughly 3,071 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 KSRB on an average day?
It swings with the seasons: from roughly −192 ft at the coldest month's average temperature to about 2,415 ft at the warmest month's — all from a constant field elevation of 1,025 ft. The month-by-month table above carries the full year.
What is the field elevation of Upper Cumberland Regional?
1,025 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSRB (ICAO) / SRB (FAA), in Sparta, Tennessee.