Caldwell, Idaho · field elev 2,431 ft
Density Altitude at Caldwell Exec (KEUL)
From a field elevation of 2,431 ft, a typical July afternoon at Caldwell Exec (93 °F) raises density altitude to about 5,141 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 | 31.2 | 1,160 ft | 39.5 | 1,727 ft |
| February | 36.6 | 1,530 ft | 47.2 | 2,243 ft |
| March | 44.5 | 2,063 ft | 57.4 | 2,911 ft |
| April | 50.3 | 2,448 ft | 64.5 | 3,367 ft |
| May | 58.9 | 3,008 ft | 73.9 | 3,959 ft |
| June | 66.9 | 3,519 ft | 82.8 | 4,508 ft |
| July | 75.3 | 4,046 ft | 93.3 | 5,141 ft ▲ |
| August | 73.6 | 3,940 ft | 91.6 | 5,039 ft ▲ |
| September | 63.8 | 3,322 ft | 81.0 | 4,398 ft |
| October | 51.5 | 2,527 ft | 66.6 | 3,500 ft |
| November | 39.5 | 1,727 ft | 50.7 | 2,474 ft |
| December | 31.4 | 1,174 ft | 40.0 | 1,761 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 KEUL
DENSITY ALTITUDE caution
Field elevation 2,431 ft — the air behaves like 5,123 ft.
- PRESSURE ALT
- 2,432 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 Idaho fields
- KMAN — Nampa Municipal
Nampa · elev 2,537 ft
- S66 — Homedale Municipal
Homedale · elev 2,220 ft
- S78 — Emmett Municipal
Emmett · elev 2,354 ft
- 50S — Parma
Parma · elev 2,228 ft
- KBOI — Boise Air Trml/Gowen Field
Boise · elev 2,872 ft
- 1U3 — Murphy
Murphy · elev 2,855 ft
- S75 — Payette Municipal
Payette · elev 2,230 ft
- U98 — Idaho City Usfs
Idaho City · elev 3,920 ft
Frequently asked questions
How high does density altitude get at KEUL in summer?
On a typical July afternoon — around 93 °F at the nearest NOAA normals station — density altitude at Caldwell Exec reaches roughly 5,141 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 KEUL on an average day?
It swings with the seasons: from roughly 1,160 ft at the coldest month's average temperature to about 4,046 ft at the warmest month's — all from a constant field elevation of 2,431 ft. The month-by-month table above carries the full year.
What is the field elevation of Caldwell Exec?
2,431 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KEUL (ICAO) / EUL (FAA), in Caldwell, Idaho.