Putnam, Connecticut · field elev 770 ft
Density Altitude at Toutant (C44)
Toutant sits at 770 ft, and even a typical July afternoon (81 °F) only lifts density altitude to about 2,359 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 | 25.7 | −1,301 ft | 34.8 | −662 ft |
| February | 26.9 | −1,216 ft | 35.7 | −600 ft |
| March | 35.1 | −641 ft | 45.1 | 44 ft |
| April | 46.3 | 125 ft | 57.7 | 883 ft |
| May | 57.0 | 837 ft | 68.5 | 1,583 ft |
| June | 66.0 | 1,423 ft | 77.0 | 2,122 ft |
| July | 70.3 | 1,698 ft | 80.8 | 2,359 ft |
| August | 69.0 | 1,615 ft | 78.9 | 2,241 ft |
| September | 61.5 | 1,132 ft | 72.0 | 1,806 ft |
| October | 49.2 | 320 ft | 59.1 | 975 ft |
| November | 40.0 | −303 ft | 49.2 | 320 ft |
| December | 31.2 | −913 ft | 39.2 | −358 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 C44
DENSITY ALTITUDE
Field elevation 770 ft — the air behaves like 2,371 ft.
- PRESSURE ALT
- 771 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 Connecticut fields
- KLZD — Danielson
Danielson · elev 238 ft
- KIJD — Windham
Willimantic · elev 246 ft
- 7B9 — Ellington
Ellington · elev 253 ft
- 7B6 — Skylark Airpark
Warehouse Point · elev 120 ft
- 9B8 — Salmon River Airfield
Marlborough · elev 540 ft
- KBDL — Bradley International
Windsor Locks · elev 173 ft
- KHFD — Hartford-Brainard
Hartford · elev 18 ft
- 4B9 — Simsbury
Simsbury · elev 195 ft
Frequently asked questions
How high does density altitude get at C44 in summer?
On a typical July afternoon — around 81 °F at the nearest NOAA normals station — density altitude at Toutant reaches roughly 2,359 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 C44 on an average day?
It swings with the seasons: from roughly −1,301 ft at the coldest month's average temperature to about 1,698 ft at the warmest month's — all from a constant field elevation of 770 ft. The month-by-month table above carries the full year.
What is the field elevation of Toutant?
770 ft MSL, from the FAA NASR airport record (28-day cycle effective 2026-08-06). The identifier is C44 (FAA), in Putnam, Connecticut.