West Liberty, Kentucky · field elev 934 ft
Density Altitude at West Liberty (9I3)
West Liberty sits at 934 ft, and even a typical July afternoon (86 °F) only lifts density altitude to about 2,899 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 | 32.7 | −603 ft | 43.2 | 119 ft |
| February | 35.8 | −388 ft | 47.4 | 402 ft |
| March | 43.6 | 146 ft | 56.9 | 1,033 ft |
| April | 53.8 | 829 ft | 69.2 | 1,829 ft |
| May | 62.6 | 1,405 ft | 76.2 | 2,272 ft |
| June | 70.7 | 1,925 ft | 83.4 | 2,720 ft |
| July | 74.4 | 2,159 ft | 86.3 | 2,899 ft |
| August | 73.3 | 2,089 ft | 85.6 | 2,856 ft |
| September | 66.7 | 1,669 ft | 80.2 | 2,522 ft |
| October | 55.0 | 908 ft | 69.8 | 1,867 ft |
| November | 44.0 | 173 ft | 57.6 | 1,079 ft |
| December | 36.5 | −340 ft | 47.0 | 375 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 9I3
DENSITY ALTITUDE
Field elevation 934 ft — the air behaves like 2,880 ft.
- PRESSURE ALT
- 935 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 Kentucky fields
- KJKL — Julian Carroll
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Morehead · elev 1,028 ft
- I50 — Stanton
Stanton · elev 651 ft
- KSJS — Big Sandy Regional
Prestonsburg · elev 1,222 ft
- KCPF — Wendell H Ford
Hazard · elev 1,257 ft
- KIOB — Mount Sterling/Montgomery County
Mount Sterling · elev 1,020 ft
- KPBX — Pike County/Hatcher Field
Pikeville · elev 1,465 ft
- KFGX — Fleming-Mason
Flemingsburg · elev 913 ft
Frequently asked questions
How high does density altitude get at 9I3 in summer?
On a typical July afternoon — around 86 °F at the nearest NOAA normals station — density altitude at West Liberty reaches roughly 2,899 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 9I3 on an average day?
It swings with the seasons: from roughly −603 ft at the coldest month's average temperature to about 2,159 ft at the warmest month's — all from a constant field elevation of 934 ft. The month-by-month table above carries the full year.
What is the field elevation of West Liberty?
934 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 9I3 (FAA), in West Liberty, Kentucky.