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New York · county maple atlas

Maple sugaring in Putnam County, New York

Putnam County had 6 maple operations and 150 taps in the 2022 Census. Around Carmel, sap usually runs from February 17 to March 25. Here's the long-run pattern, 36 seasons of sap weather, and the outlook this week.
Too early to tapAbout 134 days until the usual start.
Sap starts
Feb 17
typical year
Season ends
Mar 25
about 5 weeks
Sap days / season
48.1
1991–2026 average
Taps, 2022
150
#50 of 50 in NY

Sap-flow outlook at Carmel right now

Full New York forecast →

Forecast for Carmel, NY

Updated Oct 6, 3:07 AM EDT

No freeze-thaw days in the forecast

freeze thaw 32°F

  1. WedOct 7
    34° / 65°

    0h below · 24h above

    No refreeze forecast
  2. ThuOct 8
    50° / 72°

    0h below · 24h above

    No refreeze forecast
  3. FriOct 9
    49° / 67°

    0h below · 24h above

    No refreeze forecast
  4. SatOct 10
    48° / 67°

    0h below · 24h above

    No refreeze forecast
  5. SunOct 11
    48° / 68°

    0h below · 24h above

    No refreeze forecast
  6. MonOct 12
    54° / 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 Carmel

Freeze-thaw weather at Carmel peaks in the weeks of Feb 2 to Mar 30, which hold about 52% of a season's sap days. March is the busiest month.
Typical season: Feb 17 – Mar 250246Week of Dec 1: 2.8 sap days on averageWeek of Dec 8: 2.8 sap days on averageWeek of Dec 15: 2.4 sap days on averageWeek of Dec 22: 2.4 sap days on averageWeek of Dec 29: 2.3 sap days on averageWeek of Jan 5: 2.1 sap days on averageWeek of Jan 12: 2.0 sap days on averageWeek of Jan 19: 1.7 sap days on averageWeek of Jan 26: 1.9 sap days on averageWeek of Feb 2: 2.5 sap days on averageWeek of Feb 9: 2.5 sap days on averageWeek of Feb 16: 3.1 sap days on averageWeek of Feb 23: 2.4 sap days on averageWeek of Mar 2: 2.9 sap days on averageWeek of Mar 9: 3.3 sap days on averageWeek of Mar 16: 3.2 sap days on averageWeek of Mar 23: 3.0 sap days on averageWeek of Mar 30: 2.0 sap days on averageWeek of Apr 6: 1.7 sap days on averageWeek of Apr 13: 0.7 sap days on averageWeek of Apr 20: 0.3 sap days on averageWeek of Apr 27: 0.1 sap days on averageWeek of May 4: 0.0 sap days on averageWeek of May 11: 0.1 sap days on averageWeek of May 18: 0.0 sap days on averageWeek of May 25: 0.0 sap days on averageDecJanFebMarAprMaytaps in ~Feb 17
Average number of freeze-thaw sap days in each week of the season at Carmel, 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 21; the middle half of seasons fell between Feb 7 and Feb 24. Earliest Jan 13 (2023), latest Mar 11 (2015).
Closing signal
Median Mar 25; middle half between Mar 11 and Mar 29. Earliest Feb 13 (2023), latest Apr 12 (2015).
Sap days by month
Dec23%Jan18%Feb22%Mar28%Apr8%May0%

36 seasons of sap weather

Putnam County seasons, 1991–2026

The best sap year at Carmel was 2023 with 65 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 18 – Mar 25, 48 sap days4820252025: Feb 12 – Mar 18, 38 sap days3820242024: Feb 4 – Mar 3, 36 sap days3620232023: Jan 13 – Feb 13, 65 sap days6520222022: Feb 12 – Mar 15, 45 sap days4520212021: Feb 20 – Mar 23, 41 sap days4120202020: Feb 2 – Mar 9, 51 sap days5120192019: Feb 24 – Mar 29, 51 sap days5120182018: Feb 21 – Mar 28, 56 sap days5620172017: Jan 26 – Feb 28, 47 sap days4720162016: Feb 5 – Mar 8, 47 sap days4720152015: Mar 11 – Apr 12, 39 sap days3920142014: Mar 6 – Apr 10, 43 sap days4320132013: Mar 1 – Apr 4, 49 sap days4920122012: Feb 5 – Mar 12, 61 sap days6120112011: Feb 28 – Mar 30, 37 sap days3720102010: Feb 13 – Mar 17, 32 sap days3220092009: Feb 23 – Mar 25, 44 sap days4420082008: Feb 21 – Mar 28, 62 sap days6220072007: Feb 20 – Mar 26, 50 sap days5020062006: Feb 7 – Mar 9, 56 sap days5620052005: Feb 28 – Mar 26, 48 sap days4820042004: Feb 22 – Mar 25, 42 sap days4220032003: Feb 23 – Mar 20, 30 sap days3020022002: Feb 1 – Mar 7, 58 sap days5820012001: Mar 5 – Apr 5, 48 sap days4820002000: Feb 4 – Mar 8, 49 sap days4919991999: Feb 22 – Mar 27, 52 sap days5219981998: Jan 25 – Feb 27, 50 sap days5019971997: Feb 21 – Mar 25, 56 sap days5619961996: Feb 24 – Mar 31, 47 sap days4719951995: Feb 9 – Mar 12, 56 sap days5619941994: Mar 2 – Apr 5, 42 sap days4219931993: Mar 3 – Apr 6, 50 sap days5019921992: Feb 23 – Mar 30, 50 sap days5019911991: Feb 10 – Mar 17, 55 sap days55
Each bar runs from the season's opening signal to its closing signal, estimated from daily temperatures at Carmel. Dashed lines mark the typical dates. The right column counts freeze-thaw sap days from December through May.

Maple production

Putnam County in the Census of Agriculture

USDA counts maple operations every five years. In Putnam County the 2022 Census found 6 farms making syrup (0% since 2017), with taps -96% and syrup output -95% over the same five years. That works out to about 0.12 gallons of syrup per tap in 2022 (0.12 in 2017). Among the 385 counties in this atlas, Putnam County ranks 355 by taps.

Putnam County maple production, 2017 and 2022 (USDA Census of Agriculture)
Census yearFarmsTapsGallons of syrupGal / tap
20226150180.12
201763,4604000.12

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 Carmel (502ft), 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

Putnam County sugaring questions

When should I tap maple trees in Putnam County, New York?
In a typical year the sap starts running around February 17 near Carmel and the season winds down around March 25. 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 Jan 13 and as late as Mar 11.
How much maple syrup does Putnam County produce?
The 2022 Census of Agriculture counted 6 maple operations in Putnam County with 150 taps producing 18 gallons of syrup, ranking 50 of 50 New York's counties with published tap counts.
How many sap days does Putnam County get in a season?
On average 48.1 freeze-thaw sap days from December through May at Carmel, of which about 18.6 are textbook days with a night in the 20s and a day in the 40s. The best season since 1991 was 2023 (65 sap days); the leanest was 2003 (30).
Where do these dates come from?
From 36 seasons of daily high and low temperatures at Carmel (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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