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New York · county maple atlas

Maple sugaring in Broome County, New York

Broome County had 15 maple operations and 12,730 taps in the 2022 Census. Around Binghamton, sap usually runs from February 24 to March 31. Here's the long-run pattern, 36 seasons of sap weather, and the outlook this week.
Too early to tapAbout 141 days until the usual start.
Sap starts
Feb 24
typical year
Season ends
Mar 31
about 5 weeks
Sap days / season
47.2
1991–2026 average
Taps, 2022
12,730
#35 of 50 in NY

Sap-flow outlook at Binghamton right now

Full New York forecast →

Forecast for Binghamton, NY

Updated Oct 6, 9:14 AM EDT

Off-season for now. Sap needs freezing nights, and none are in sight. Broome County's season usually opens around February 24, which is 141 days away.

No freeze-thaw days in the forecast

freeze thaw 32°F

  1. WedOct 7
    40° / 68°

    0h below · 24h above

    No refreeze forecast
  2. ThuOct 8
    51° / 69°

    0h below · 24h above

    No refreeze forecast
  3. FriOct 9
    44° / 64°

    0h below · 24h above

    No refreeze forecast
  4. SatOct 10
    43° / 67°

    0h below · 24h above

    No refreeze forecast
  5. SunOct 11
    46° / 70°

    0h below · 24h above

    No refreeze forecast
  6. MonOct 12
    52° / 68°
    No refreeze forecast

Data: National Weather Service. Verdicts use freeze-thaw thresholds from maple field research; your woods may run a little differently.

When the sap runs

The sugaring calendar at Binghamton

Freeze-thaw weather at Binghamton peaks in the weeks of Feb 16 to Apr 6, which hold about 49% of a season's sap days. March is the busiest month.
Typical season: Feb 24 – Mar 310246Week of Dec 1: 2.2 sap days on averageWeek of Dec 8: 2.1 sap days on averageWeek of Dec 15: 1.9 sap days on averageWeek of Dec 22: 2.1 sap days on averageWeek of Dec 29: 1.9 sap days on averageWeek of Jan 5: 1.5 sap days on averageWeek of Jan 12: 1.3 sap days on averageWeek of Jan 19: 1.1 sap days on averageWeek of Jan 26: 1.3 sap days on averageWeek of Feb 2: 2.0 sap days on averageWeek of Feb 9: 2.0 sap days on averageWeek of Feb 16: 2.5 sap days on averageWeek of Feb 23: 2.2 sap days on averageWeek of Mar 2: 2.7 sap days on averageWeek of Mar 9: 2.8 sap days on averageWeek of Mar 16: 3.4 sap days on averageWeek of Mar 23: 3.4 sap days on averageWeek of Mar 30: 2.9 sap days on averageWeek of Apr 6: 3.0 sap days on averageWeek of Apr 13: 1.8 sap days on averageWeek of Apr 20: 1.5 sap days on averageWeek of Apr 27: 0.9 sap days on averageWeek of May 4: 0.4 sap days on averageWeek of May 11: 0.3 sap days on averageWeek of May 18: 0.1 sap days on averageWeek of May 25: 0.0 sap days on averageDecJanFebMarAprMaytaps in ~Feb 24
Average number of freeze-thaw sap days in each week of the season at Binghamton, 1991–2026. A sap day is an overnight low under 30.2 °F followed by an afternoon high over 37.4 °F. The shaded band is the typical season.

Year-to-year spread

Opening signal
Median Feb 28; the middle half of seasons fell between Feb 21 and Mar 9. Earliest Feb 6 (2024), latest Mar 16 (2001).
Closing signal
Median Mar 31; middle half between Mar 25 and Apr 9. Earliest Mar 13 (2012), latest Apr 20 (2001).
Sap days by month
Dec19%Jan13%Feb18%Mar29%Apr19%May2%

36 seasons of sap weather

Broome County seasons, 1991–2026

The best sap year at Binghamton was 2020 with 78 freeze-thaw days; the leanest was 2003 with 30. Seasons that start early tend to end early too: the trees run on the swing between freezing nights and mild days, and heat ends it.
JanFebMarAprMaysap days20262026: Feb 20 – Mar 26, 35 sap days3520252025: Feb 20 – Mar 27, 38 sap days3820242024: Feb 6 – Mar 13, 35 sap days3520232023: Feb 20 – Mar 25, 53 sap days5320222022: Feb 25 – Mar 31, 45 sap days4520212021: Feb 28 – Apr 4, 37 sap days3720202020: Feb 14 – Mar 20, 78 sap days7820192019: Mar 6 – Apr 6, 47 sap days4720182018: Mar 10 – Apr 12, 57 sap days5720172017: Feb 21 – Mar 24, 46 sap days4620162016: Feb 12 – Mar 14, 55 sap days5520152015: Mar 16 – Apr 16, 33 sap days3320142014: Mar 11 – Apr 10, 45 sap days4520132013: Mar 10 – Apr 7, 46 sap days4620122012: Feb 11 – Mar 13, 60 sap days6020112011: Mar 9 – Apr 8, 39 sap days3920102010: Feb 22 – Mar 28, 38 sap days3820092009: Feb 28 – Mar 26, 45 sap days4520082008: Mar 8 – Apr 5, 50 sap days5020072007: Feb 26 – Apr 1, 46 sap days4620062006: Feb 23 – Mar 30, 47 sap days4720052005: Mar 6 – Apr 10, 55 sap days5520042004: Feb 28 – Mar 25, 39 sap days3920032003: Mar 10 – Apr 14, 30 sap days3020022002: Feb 22 – Mar 29, 60 sap days6020012001: Mar 16 – Apr 20, 39 sap days3920002000: Feb 15 – Mar 21, 49 sap days4919991999: Feb 28 – Mar 28, 56 sap days5619981998: Feb 21 – Mar 26, 57 sap days5719971997: Mar 1 – Apr 3, 48 sap days4819961996: Mar 10 – Apr 12, 51 sap days5119951995: Feb 17 – Mar 18, 55 sap days5519941994: Mar 11 – Apr 9, 44 sap days4419931993: Mar 11 – Apr 14, 43 sap days4319921992: Mar 9 – Apr 11, 45 sap days4519911991: Feb 21 – Mar 22, 54 sap days54
Each bar runs from the season's opening signal to its closing signal, estimated from daily temperatures at Binghamton. Dashed lines mark the typical dates. The right column counts freeze-thaw sap days from December through May.

Maple production

Broome County in the Census of Agriculture

USDA counts maple operations every five years. In Broome County the 2022 Census found 15 farms making syrup (-32% since 2017), with taps -15% and syrup output -37% over the same five years. That works out to about 0.21 gallons of syrup per tap in 2022 (0.28 in 2017). Among the 385 counties in this atlas, Broome County ranks 118 by taps.

Broome County maple production, 2017 and 2022 (USDA Census of Agriculture)
Census yearFarmsTapsGallons of syrupGal / tap
20221512,7302,6630.21
20172214,9984,2460.28

Nearby

Neighboring maple counties

Distances are between reference towns; typical dates are each county's own estimate.

About these numbers

The season dates are estimated from 36 seasons of daily high and low temperatures for the PRISM 4-km grid cell at Binghamton (1,030ft), scored with the same freeze-thaw rule as our live forecast: a sap day is an overnight low under 30.2 °F followed by an afternoon high over 37.4 °F. Each season's closing signal is the last sap day before accumulated warmth reaches a threshold, and the opening signal sits five weeks before that, never earlier than the first real freeze-thaw week. Tested against 117 state-seasons of USDA-reported dates, the rule lands within 5.5 days of the reported close and 6.6 days of the reported opening on average, and the typical dates shown here are scaled to New York's USDA record (12 years). Production figures are copied from the Census as published. Full method, calibration tables and the downloadable dataset →

Sources · 6

  1. 1.2022 Census of Agriculture, County Level Data — New York, Table 37: Maple Syrup, 2022 and 2017 · USDA National Agricultural Statistics Service
  2. 2.PRISM daily temperature grids (AN81d, 4 km), accessed 2026-10-05 · PRISM Group, Oregon State University, https://prism.oregonstate.edu
  3. 3.Applied Climate Information System (ACIS) web services · NOAA Regional Climate Centers
  4. 4.USDA NASS maple syrup reports — approximate average season opened and closed dates, 2011–2022 · USDA National Agricultural Statistics Service (mirrored by the University of Vermont)
  5. 5.Sap flow in sugar maple: timing and weather drivers (Frontiers in Agronomy, 2025) · de Lima Santos et al.
  6. 6.GeoNames gazetteer (cities500), CC BY 4.0 · GeoNames

FAQ

Broome County sugaring questions

When should I tap maple trees in Broome County, New York?
In a typical year the sap starts running around February 24 near Binghamton and the season winds down around March 31. Have your taps in a day or two before the first forecast string of freezing nights and 40 °F days. In the past 36 seasons the weather signal came as early as Feb 6 and as late as Mar 16.
How much maple syrup does Broome County produce?
The 2022 Census of Agriculture counted 15 maple operations in Broome County with 12,730 taps producing 2,663 gallons of syrup, ranking 35 of 50 New York's counties with published tap counts.
How many sap days does Broome County get in a season?
On average 47.2 freeze-thaw sap days from December through May at Binghamton, of which about 14.2 are textbook days with a night in the 20s and a day in the 40s. The best season since 1991 was 2020 (78 sap days); the leanest was 2003 (30).
Where do these dates come from?
From 36 seasons of daily high and low temperatures at Binghamton (PRISM 4-km grid), scored with the same freeze-thaw rule as our live forecast, then calibrated against USDA's reported season dates for New York. They describe a typical year at one point in the county; your sugarbush, slope and elevation can shift them by days.

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