Williamsburg, Pennsylvania · field elev 1,156 ft
Density Altitude at Cove Valley (6G6)
Cove Valley sits at 1,156 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,991 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 | 28.1 | −648 ft | 35.7 | −118 ft |
| February | 30.5 | −480 ft | 39.4 | 136 ft |
| March | 38.0 | 40 ft | 47.7 | 698 ft |
| April | 49.9 | 845 ft | 61.4 | 1,601 ft |
| May | 59.9 | 1,503 ft | 71.4 | 2,241 ft |
| June | 68.4 | 2,051 ft | 78.9 | 2,712 ft |
| July | 72.6 | 2,317 ft | 83.4 | 2,991 ft |
| August | 70.9 | 2,210 ft | 81.8 | 2,892 ft |
| September | 63.9 | 1,762 ft | 74.8 | 2,456 ft |
| October | 52.3 | 1,004 ft | 62.7 | 1,685 ft |
| November | 41.8 | 299 ft | 50.8 | 905 ft |
| December | 32.4 | −347 ft | 39.7 | 156 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 6G6
DENSITY ALTITUDE
Field elevation 1,156 ft — the air behaves like 2,966 ft.
- PRESSURE ALT
- 1,157 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 Pennsylvania fields
- KAOO — Altoona/Blair County
Altoona · elev 1,503 ft
- 9G8 — Ebensburg
Ebensburg · elev 2,099 ft
- KHMZ — Bedford County
Bedford · elev 1,162 ft
- KPSB — Mid-State
Philipsburg · elev 1,948 ft
- KJST — John Murtha Johnstown/Cambria County
Johnstown · elev 2,284 ft
- KUNV — State College Regional
State College · elev 1,231 ft
- KRVL — Mifflin County
Reedsville · elev 819 ft
- 1N3 — Albert
Philipsburg · elev 1,784 ft
Frequently asked questions
How high does density altitude get at 6G6 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Cove Valley reaches roughly 2,991 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 6G6 on an average day?
It swings with the seasons: from roughly −648 ft at the coldest month's average temperature to about 2,317 ft at the warmest month's — all from a constant field elevation of 1,156 ft. The month-by-month table above carries the full year.
What is the field elevation of Cove Valley?
1,156 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 6G6 (FAA), in Williamsburg, Pennsylvania.