Chill hours in Geneva, New York: the last 10 winters
Ten seasons of winter chill for Geneva, New York (42.8690, -76.9777), calculated from NASA POWER hourly temperatures across 2016–17 to 2025–26. Instead of comparing winters yourself or hunting for the nearest weather station, the three standard models for fruit trees and berries are already worked out below.
How the last season compared
The 2025–26 season delivered 935 chill hours, 123 below the ten-season average of 1058. That is a difference of 12%. It was the third-lowest of the ten seasons recorded here. Chill portions, which discount warm spells differently, came to 89.6 against a ten-season average of 92.1.
Ten-season average, low, and high
| Model | Average | Lowest season | Highest season |
|---|---|---|---|
| 45°F Hours Hours between 0 and 7.2°C (32–45°F). | 1057.7 hours | 897.0 | 1339.0 |
| Utah Weighted bands; warm hours subtract from the total. | 728.6 units | 527.5 | 1079.5 |
| Dynamic Fishman–Erez model; handles warm spells. | 92.1 portions | 82.0 | 106.2 |
45°F Hours and Utah are counted over 1 November – 28 February, following the UC Davis convention. Dynamic is counted over 1 September – 31 March.
Season by season
| Season | 45°F Hours | Utah units | Chill portions |
|---|---|---|---|
| 2016–17 | 1122 | 856.0 | 94.2 |
| 2017–18 | 964 | 757.0 | 83.3 |
| 2018–19 | 897 | 527.5 | 90.8 |
| 2019–20 | 1143 | 643.5 | 97.9 |
| 2020–21 | 979 | 597.0 | 87.8 |
| 2021–22 | 1096 | 775.0 | 91.5 |
| 2022–23 | 1195 | 743.5 | 97.5 |
| 2023–24 | 1339 | 1079.5 | 106.2 |
| 2024–25 | 907 | 669.5 | 82.0 |
| 2025–26 | 935 | 638.0 | 89.6 |
Which fruit varieties suit Geneva?
The 3 most chill-demanding varieties that still fit an average of 1058 chill hours here.
| Variety | Species | Chill requirement |
|---|---|---|
| McIntosh | Apple | 900 hours |
| Cresthaven | Peach | 850 hours |
| Belle of Georgia | Peach | 825 hours |
Station data for New York
NASA POWER is a grid estimate. For measured station data and local chill guidance, see Cornell Northeast Regional Climate Center: accumulated chill and apple frost risk maps.
Nearby locations
- Niagara-on-the-Lake, Ontario — 177 km
- Biglerville, Pennsylvania — 328 km
Track this season in ChillCast
ChillCast tracks this season's chill for Geneva, New York on your iPhone and compares it with the ten-season average above.
Generated
This page was generated on 2026-09-06.
About this data
Values are NASA POWER regional estimates (about 0.5° grid), not orchard measurements. Check your local extension service for station data.
Source: NASA POWER hourly 2-metre air temperature (MERRA-2). NASA does not endorse ChillCast.