Crescent Valley, Nevada · field elev 4,791 ft
Density Altitude at Crescent Valley (U74)
Crescent Valley is a genuine high-and-hot field: from 4,791 ft of elevation, a typical July afternoon (94 °F) pushes density altitude to about 8,036 ft — the airplane performs like it is 3,245 ft above the field before the wheels roll.
Typical density altitude by month
| Month | Avg temp °F | DA at avg temp | Afternoon high °F | DA on a typical afternoon |
|---|---|---|---|---|
| January | 28.2 | 3,891 ft | 40.2 | 4,697 ft |
| February | 33.8 | 4,270 ft | 46.5 | 5,110 ft ▲ |
| March | 41.5 | 4,783 ft | 56.7 | 5,766 ft ▲ |
| April | 46.7 | 5,123 ft | 62.9 | 6,157 ft ▲ |
| May | 55.7 | 5,703 ft | 73.2 | 6,794 ft ▲ |
| June | 64.4 | 6,251 ft | 84.1 | 7,452 ft ▲ |
| July | 72.9 | 6,776 ft | 94.0 | 8,036 ft ⚠ |
| August | 70.9 | 6,653 ft | 92.7 | 7,960 ft ▲ |
| September | 61.5 | 6,070 ft | 82.8 | 7,375 ft ▲ |
| October | 48.7 | 5,253 ft | 68.6 | 6,512 ft ▲ |
| November | 36.8 | 4,471 ft | 52.0 | 5,466 ft ▲ |
| December | 28.1 | 3,885 ft | 40.3 | 4,703 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 U74
DENSITY ALTITUDE high DA
Field elevation 4,791 ft — the air behaves like 8,036 ft.
- PRESSURE ALT
- 4,793 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 Nevada fields
- KBAM — Battle Mountain
Battle Mountain · elev 4,536 ft
- KEKO — Elko Regional
Elko · elev 5,140 ft
- 05U — Eureka
Eureka · elev 5,958 ft
- KWMC — Winnemucca Municipal
Winnemucca · elev 4,308 ft
- KTMT — Austin
Austin · elev 5,735 ft
- 08U — Stevens-Crosby
North Fork · elev 6,397 ft
- N15 — Kingston
Kingston · elev 6,075 ft
- KLWL — Wells Municipal/Harriet Field
Wells · elev 5,769 ft
Frequently asked questions
How high does density altitude get at U74 in summer?
On a typical July afternoon — around 94 °F at the nearest NOAA normals station — density altitude at Crescent Valley reaches roughly 8,036 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 U74 on an average day?
It swings with the seasons: from roughly 3,885 ft at the coldest month's average temperature to about 6,776 ft at the warmest month's — all from a constant field elevation of 4,791 ft. The month-by-month table above carries the full year.
What is the field elevation of Crescent Valley?
4,791 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is U74 (FAA), in Crescent Valley, Nevada.