Canadian, Texas · field elev 2,396 ft
Density Altitude at Hemphill County (KHHF)
From a field elevation of 2,396 ft, a typical July afternoon at Hemphill County (95 °F) raises density altitude to about 5,170 ft — solidly into the range where performance charts deserve a close read.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 33.9 | 1,302 ft | 49.9 | 2,378 ft |
| February | 36.9 | 1,507 ft | 53.4 | 2,608 ft |
| March | 46.5 | 2,153 ft | 63.2 | 3,241 ft |
| April | 55.3 | 2,732 ft | 71.4 | 3,760 ft |
| May | 65.2 | 3,369 ft | 80.1 | 4,300 ft |
| June | 75.2 | 3,997 ft | 89.3 | 4,859 ft |
| July | 79.8 | 4,281 ft | 94.5 | 5,170 ft ▲ |
| August | 78.2 | 4,183 ft | 93.1 | 5,086 ft ▲ |
| September | 69.9 | 3,666 ft | 85.3 | 4,617 ft |
| October | 57.2 | 2,855 ft | 73.7 | 3,904 ft |
| November | 44.4 | 2,013 ft | 61.2 | 3,113 ft |
| December | 34.7 | 1,357 ft | 50.3 | 2,404 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 KHHF
DENSITY ALTITUDE caution
Field elevation 2,396 ft — the air behaves like 5,199 ft.
- PRESSURE ALT
- 2,397 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 Texas fields
- 3E0 — Miami-Roberts County
Miami · elev 2,720 ft
- 1X1 — Higgins/Lipscomb County
Higgins · elev 2,566 ft
- T59 — Wheeler Municipal
Wheeler · elev 2,470 ft
- KPPA — Perry Lefors Field
Pampa · elev 3,245 ft
- KPYX — Perryton Ochiltree County
Perryton · elev 2,918 ft
- 28X — Green Acres Airfield
Pampa · elev 3,245 ft
- 2E7 — Mc Lean/Gray County
Mc Lean · elev 2,835 ft
- 2F1 — Shamrock Municipal
Shamrock · elev 2,369 ft
Frequently asked questions
How high does density altitude get at KHHF in summer?
On a typical July afternoon — around 95 °F at the nearest NOAA normals station — density altitude at Hemphill County reaches roughly 5,170 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 KHHF on an average day?
It swings with the seasons: from roughly 1,302 ft at the coldest month's average temperature to about 4,281 ft at the warmest month's — all from a constant field elevation of 2,396 ft. The month-by-month table above carries the full year.
What is the field elevation of Hemphill County?
2,396 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KHHF (ICAO) / HHF (FAA), in Canadian, Texas.