Sidney, Nebraska · field elev 4,314 ft
Density Altitude at Sidney Municipal/Lloyd W Carr Field (KSNY)
From a field elevation of 4,314 ft, a typical July afternoon at Sidney Municipal/Lloyd W Carr Field (90 °F) raises density altitude to about 7,225 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 | 27.6 | 3,257 ft | 41.6 | 4,200 ft |
| February | 29.3 | 3,373 ft | 43.5 | 4,325 ft |
| March | 38.3 | 3,981 ft | 53.8 | 4,995 ft |
| April | 45.3 | 4,444 ft | 60.6 | 5,429 ft ▲ |
| May | 55.2 | 5,085 ft | 70.1 | 6,022 ft ▲ |
| June | 66.5 | 5,799 ft | 82.3 | 6,766 ft ▲ |
| July | 73.7 | 6,244 ft | 90.0 | 7,225 ft ▲ |
| August | 71.6 | 6,115 ft | 87.8 | 7,095 ft ▲ |
| September | 62.3 | 5,536 ft | 79.1 | 6,573 ft ▲ |
| October | 48.1 | 4,627 ft | 63.9 | 5,636 ft ▲ |
| November | 36.2 | 3,840 ft | 51.4 | 4,841 ft |
| December | 27.5 | 3,250 ft | 41.6 | 4,200 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 KSNY
DENSITY ALTITUDE caution
Field elevation 4,314 ft — the air behaves like 7,225 ft.
- PRESSURE ALT
- 4,316 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 Nebraska fields
- KCNP — Billy G Ray Field
Chappell · elev 3,682 ft
- KIBM — Kimball Municipal/Robert E Arraj Field
Kimball · elev 4,926 ft
- KOKS — Garden County/King Rhiley Field
Oshkosh · elev 3,394 ft
- KBFF — Scottsbluff/Western Nebraska Regional/Wm B Heilig Field
Scottsbluff · elev 3,967 ft
- KOGA — Searle Field
Ogallala · elev 3,279 ft
- KAIA — Alliance Municipal
Alliance · elev 3,931 ft
- KGGF — Grant Municipal
Grant · elev 3,425 ft
- KIML — Imperial Municipal
Imperial · elev 3,276 ft
Frequently asked questions
How high does density altitude get at KSNY in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Sidney Municipal/Lloyd W Carr Field reaches roughly 7,225 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 KSNY on an average day?
It swings with the seasons: from roughly 3,250 ft at the coldest month's average temperature to about 6,244 ft at the warmest month's — all from a constant field elevation of 4,314 ft. The month-by-month table above carries the full year.
What is the field elevation of Sidney Municipal/Lloyd W Carr Field?
4,314 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KSNY (ICAO) / SNY (FAA), in Sidney, Nebraska.