Gillette, Wyoming · field elev 4,365 ft
Density Altitude at Northeast Wyoming Regional (KGCC)
From a field elevation of 4,365 ft, a typical July afternoon at Northeast Wyoming Regional (87 °F) raises density altitude to about 7,109 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 | 25.2 | 3,156 ft | 36.1 | 3,897 ft |
| February | 26.1 | 3,218 ft | 37.3 | 3,977 ft |
| March | 35.6 | 3,863 ft | 48.0 | 4,683 ft |
| April | 42.5 | 4,322 ft | 55.3 | 5,154 ft ▲ |
| May | 52.1 | 4,949 ft | 65.1 | 5,774 ft ▲ |
| June | 62.5 | 5,611 ft | 77.0 | 6,508 ft ▲ |
| July | 71.3 | 6,159 ft | 87.0 | 7,109 ft ▲ |
| August | 69.8 | 6,066 ft | 85.7 | 7,031 ft ▲ |
| September | 59.4 | 5,415 ft | 74.7 | 6,367 ft ▲ |
| October | 45.5 | 4,520 ft | 58.5 | 5,358 ft ▲ |
| November | 33.6 | 3,728 ft | 45.5 | 4,520 ft |
| December | 25.4 | 3,169 ft | 36.2 | 3,903 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 KGCC
DENSITY ALTITUDE caution
Field elevation 4,365 ft — the air behaves like 7,109 ft.
- PRESSURE ALT
- 4,367 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 Wyoming fields
- 83V — Upton Municipal
Upton · elev 4,290 ft
- W43 — Hulett Municipal
Hulett · elev 4,264 ft
- KBYG — Johnson County
Buffalo · elev 4,970 ft
- KECS — Mondell Field
Newcastle · elev 4,178 ft
- KSHR — Sheridan County
Sheridan · elev 4,021 ft
- KHAD — Irwins Sky Ranch
Casper · elev 5,370 ft
- KDGW — Converse County
Douglas · elev 4,933 ft
- KCPR — Casper/Natrona County International
Casper · elev 5,344 ft
Frequently asked questions
How high does density altitude get at KGCC in summer?
On a typical July afternoon — around 87 °F at the nearest NOAA normals station — density altitude at Northeast Wyoming Regional reaches roughly 7,109 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 KGCC on an average day?
It swings with the seasons: from roughly 3,156 ft at the coldest month's average temperature to about 6,159 ft at the warmest month's — all from a constant field elevation of 4,365 ft. The month-by-month table above carries the full year.
What is the field elevation of Northeast Wyoming Regional?
4,365 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is KGCC (ICAO) / GCC (FAA), in Gillette, Wyoming.