Colfax, Washington · field elev 719 ft
Density Altitude at Lower Granite State (00W)
Lower Granite State sits at 719 ft, and even a typical July afternoon (90 °F) only lifts density altitude to about 2,863 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 | 32.3 | −900 ft | 38.8 | −449 ft |
| February | 35.8 | −656 ft | 44.8 | −40 ft |
| March | 42.3 | −210 ft | 53.7 | 557 ft |
| April | 48.7 | 223 ft | 61.9 | 1,095 ft |
| May | 56.7 | 755 ft | 71.5 | 1,712 ft |
| June | 63.6 | 1,205 ft | 79.4 | 2,209 ft |
| July | 71.3 | 1,699 ft | 90.0 | 2,863 ft |
| August | 70.3 | 1,635 ft | 88.8 | 2,790 ft |
| September | 61.2 | 1,049 ft | 78.5 | 2,153 ft |
| October | 49.3 | 263 ft | 62.7 | 1,147 ft |
| November | 38.6 | −463 ft | 47.3 | 129 ft |
| December | 31.2 | −977 ft | 37.9 | −511 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 00W
DENSITY ALTITUDE
Field elevation 719 ft — the air behaves like 2,863 ft.
- PRESSURE ALT
- 720 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 Washington fields
- S94 — Port Of Whitman Business Air Center
Colfax · elev 2,181 ft
- KPUW — Pullman/Moscow Regional
Pullman/Moscow · elev 2,567 ft
- 16W — Little Goose Lock And Dam
Starbuck · elev 681 ft
- 72S — Rosalia Municipal
Rosalia · elev 2,170 ft
- 73S — Willard Field
Tekoa · elev 2,520 ft
- W09 — Lower Monumental State
Kahlotus · elev 813 ft
- 33S — Pru Field
Ritzville · elev 1,801 ft
- KALW — Walla Walla Regional
Walla Walla · elev 1,194 ft
Frequently asked questions
How high does density altitude get at 00W in summer?
On a typical July afternoon — around 90 °F at the nearest NOAA normals station — density altitude at Lower Granite State reaches roughly 2,863 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 00W on an average day?
It swings with the seasons: from roughly −977 ft at the coldest month's average temperature to about 1,699 ft at the warmest month's — all from a constant field elevation of 719 ft. The month-by-month table above carries the full year.
What is the field elevation of Lower Granite State?
719 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 00W (FAA), in Colfax, Washington.