Graham, Texas · field elev 1,123 ft
Density Altitude at Graham Municipal (KRPH)
Graham Municipal sits at 1,123 ft, and even a typical July afternoon (98 °F) only lifts density altitude to about 3,818 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 | 43.5 | 374 ft | 57.4 | 1,299 ft |
| February | 47.3 | 630 ft | 61.6 | 1,573 ft |
| March | 55.7 | 1,188 ft | 69.9 | 2,106 ft |
| April | 63.5 | 1,696 ft | 77.9 | 2,610 ft |
| May | 72.4 | 2,264 ft | 85.2 | 3,061 ft |
| June | 81.0 | 2,802 ft | 92.7 | 3,518 ft |
| July | 85.2 | 3,061 ft | 97.7 | 3,818 ft |
| August | 84.7 | 3,031 ft | 97.4 | 3,800 ft |
| September | 76.8 | 2,541 ft | 90.0 | 3,354 ft |
| October | 65.4 | 1,818 ft | 79.5 | 2,709 ft |
| November | 53.5 | 1,043 ft | 68.0 | 1,985 ft |
| December | 45.4 | 502 ft | 58.6 | 1,378 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 KRPH
DENSITY ALTITUDE
Field elevation 1,123 ft — the air behaves like 3,836 ft.
- PRESSURE ALT
- 1,124 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
- F35 — Possum Kingdom
Graford · elev 1,008 ft
- KONY — Olney Municipal
Olney · elev 1,275 ft
- 21F — Jacksboro Municipal
Jacksboro · elev 1,062 ft
- T39 — Archer City Municipal
Archer City · elev 1,065 ft
- KBKD — Stephens County
Breckenridge · elev 1,284 ft
- 72F — Throckmorton Municipal
Throckmorton · elev 1,273 ft
- KMWL — Mineral Wells Regional
Mineral Wells · elev 974 ft
- KXBP — Bridgeport Municipal
Bridgeport · elev 864 ft
Frequently asked questions
How high does density altitude get at KRPH in summer?
On a typical July afternoon — around 98 °F at the nearest NOAA normals station — density altitude at Graham Municipal reaches roughly 3,818 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 KRPH on an average day?
It swings with the seasons: from roughly 374 ft at the coldest month's average temperature to about 3,061 ft at the warmest month's — all from a constant field elevation of 1,123 ft. The month-by-month table above carries the full year.
What is the field elevation of Graham Municipal?
1,123 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KRPH (ICAO) / RPH (FAA), in Graham, Texas.