Cambridge, New York · field elev 510 ft
Density Altitude at Chapin Field (1B8)
Chapin Field sits at 510 ft, and even a typical July afternoon (83 °F) only lifts density altitude to about 2,147 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 | 22.2 | −1,877 ft | 33.1 | −1,105 ft |
| February | 23.7 | −1,769 ft | 35.5 | −938 ft |
| March | 32.3 | −1,161 ft | 44.2 | −340 ft |
| April | 45.9 | −225 ft | 58.8 | 635 ft |
| May | 57.1 | 523 ft | 70.5 | 1,392 ft |
| June | 65.7 | 1,084 ft | 78.3 | 1,885 ft |
| July | 70.3 | 1,379 ft | 82.5 | 2,147 ft |
| August | 68.2 | 1,245 ft | 80.8 | 2,041 ft |
| September | 60.9 | 772 ft | 73.8 | 1,601 ft |
| October | 49.6 | 24 ft | 61.6 | 818 ft |
| November | 38.1 | −758 ft | 48.6 | −43 ft |
| December | 28.6 | −1,421 ft | 38.3 | −744 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 1B8
DENSITY ALTITUDE
Field elevation 510 ft — the air behaves like 2,178 ft.
- PRESSURE ALT
- 511 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 New York fields
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Round Lake · elev 178 ft
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- 5B2 — Saratoga County
Saratoga Springs · elev 434 ft
- 83K — Harris
Fort Ann · elev 261 ft
- 5B7 — Rensselaer County
Troy · elev 440 ft
Frequently asked questions
How high does density altitude get at 1B8 in summer?
On a typical July afternoon — around 83 °F at the nearest NOAA normals station — density altitude at Chapin Field reaches roughly 2,147 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 1B8 on an average day?
It swings with the seasons: from roughly −1,877 ft at the coldest month's average temperature to about 1,379 ft at the warmest month's — all from a constant field elevation of 510 ft. The month-by-month table above carries the full year.
What is the field elevation of Chapin Field?
510 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is 1B8 (FAA), in Cambridge, New York.