Smithville, Texas · field elev 323 ft
Density Altitude at Smithville Crawford Municipal (84R)
Smithville Crawford Municipal sits at 323 ft, and even a typical August afternoon (97 °F) only lifts density altitude to about 2,806 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 | 50.7 | −134 ft | 62.8 | 665 ft |
| February | 54.3 | 107 ft | 66.5 | 905 ft |
| March | 61.1 | 555 ft | 73.1 | 1,328 ft |
| April | 67.9 | 995 ft | 80.1 | 1,769 ft |
| May | 75.7 | 1,492 ft | 86.3 | 2,154 ft |
| June | 81.9 | 1,881 ft | 92.5 | 2,533 ft |
| July | 84.4 | 2,036 ft | 95.4 | 2,709 ft |
| August | 85.0 | 2,074 ft | 97.0 | 2,806 ft |
| September | 79.6 | 1,738 ft | 91.3 | 2,460 ft |
| October | 69.9 | 1,124 ft | 82.8 | 1,937 ft |
| November | 59.8 | 469 ft | 72.4 | 1,283 ft |
| December | 51.9 | −53 ft | 64.2 | 756 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 84R
DENSITY ALTITUDE
Field elevation 323 ft — the air behaves like 2,806 ft.
- PRESSURE ALT
- 324 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
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- KEDC — Austin Exec
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- T20 — Roger M Dreyer Meml
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- T74 — Taylor Municipal
Taylor · elev 600 ft
- KHYI — San Marcos Regional
Austin · elev 595 ft
Frequently asked questions
How high does density altitude get at 84R in summer?
On a typical August afternoon — around 97 °F at the nearest NOAA normals station — density altitude at Smithville Crawford Municipal reaches roughly 2,806 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 84R on an average day?
It swings with the seasons: from roughly −134 ft at the coldest month's average temperature to about 2,074 ft at the warmest month's — all from a constant field elevation of 323 ft. The month-by-month table above carries the full year.
What is the field elevation of Smithville Crawford Municipal?
323 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 84R (FAA), in Smithville, Texas.