Bishop, Texas · field elev 55 ft
Density Altitude at Bishop-Windham (07R)
Bishop-Windham sits at 55 ft, and even a typical August afternoon (97 °F) only lifts density altitude to about 2,486 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 | 56.5 | −79 ft | 68.0 | 672 ft |
| February | 60.2 | 165 ft | 71.1 | 871 ft |
| March | 66.4 | 569 ft | 77.0 | 1,246 ft |
| April | 72.8 | 980 ft | 83.1 | 1,628 ft |
| May | 78.7 | 1,353 ft | 88.3 | 1,950 ft |
| June | 83.4 | 1,647 ft | 92.9 | 2,232 ft |
| July | 85.2 | 1,759 ft | 95.2 | 2,371 ft |
| August | 86.2 | 1,821 ft | 97.1 | 2,486 ft |
| September | 81.2 | 1,510 ft | 91.0 | 2,116 ft |
| October | 74.7 | 1,101 ft | 85.9 | 1,802 ft |
| November | 65.0 | 478 ft | 76.6 | 1,221 ft |
| December | 58.3 | 40 ft | 70.0 | 801 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 07R
DENSITY ALTITUDE
Field elevation 55 ft — the air behaves like 2,480 ft.
- PRESSURE ALT
- 56 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
- KRBO — Nueces County
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- 67T — Old Hoppe Place
Agua Dulce · elev 96 ft
- KIKG — Kleberg County
Kingsville · elev 130 ft
- KCRP — Corpus Christi International
Corpus Christi · elev 46 ft
- KALI — Alice International
Alice · elev 178 ft
- 9R5 — Hunt
Portland · elev 38 ft
- T69 — Sinton
Sinton · elev 48 ft
- KBKS — Brooks County
Falfurrias · elev 112 ft
Frequently asked questions
How high does density altitude get at 07R in summer?
On a typical August afternoon — around 97 °F at the nearest NOAA normals station — density altitude at Bishop-Windham reaches roughly 2,486 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 07R on an average day?
It swings with the seasons: from roughly −79 ft at the coldest month's average temperature to about 1,821 ft at the warmest month's — all from a constant field elevation of 55 ft. The month-by-month table above carries the full year.
What is the field elevation of Bishop-Windham?
55 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 07R (FAA), in Bishop, Texas.