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Ohio · county maple atlas

Maple sugaring in Mahoning County, Ohio

Mahoning County had 5 maple operations and 2,424 taps in the 2022 Census. Around Youngstown, sap usually runs from February 20 to March 29. Here's the long-run pattern, 36 seasons of sap weather, and the outlook this week.
Too early to tapAbout 137 days until the usual start.
Sap starts
Feb 20
typical year
Season ends
Mar 29
about 5 weeks
Sap days / season
46.7
1991–2026 average
Taps, 2022
2,424
#25 of 63 in OH

Sap-flow outlook at Youngstown right now

Full Ohio forecast →

Forecast for Youngstown, OH

Updated Oct 6, 3:46 AM EDT

Off-season for now. Sap needs freezing nights, and none are in sight. Mahoning County's season usually opens around February 20, which is 137 days away.

No freeze-thaw days in the forecast

freeze thaw 32°F

  1. WedOct 7
    43° / 73°

    0h below · 24h above

    No refreeze forecast
  2. ThuOct 8
    52° / 70°

    0h below · 24h above

    No refreeze forecast
  3. FriOct 9
    44° / 67°

    0h below · 24h above

    No refreeze forecast
  4. SatOct 10
    44° / 72°

    0h below · 24h above

    No refreeze forecast
  5. SunOct 11
    51° / 71°

    0h below · 24h above

    No refreeze forecast
  6. MonOct 12
    54° / 73°
    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 Youngstown

Freeze-thaw weather at Youngstown peaks in the weeks of Jan 26 to Apr 6, which hold about 61% of a season's sap days. March is the busiest month.
Typical season: Feb 20 – Mar 290246Week of Dec 1: 2.1 sap days on averageWeek of Dec 8: 2.5 sap days on averageWeek of Dec 15: 2.3 sap days on averageWeek of Dec 22: 2.1 sap days on averageWeek of Dec 29: 1.7 sap days on averageWeek of Jan 5: 1.7 sap days on averageWeek of Jan 12: 1.7 sap days on averageWeek of Jan 19: 1.2 sap days on averageWeek of Jan 26: 2.0 sap days on averageWeek of Feb 2: 2.1 sap days on averageWeek of Feb 9: 2.2 sap days on averageWeek of Feb 16: 2.5 sap days on averageWeek of Feb 23: 2.7 sap days on averageWeek of Mar 2: 3.2 sap days on averageWeek of Mar 9: 2.9 sap days on averageWeek of Mar 16: 2.8 sap days on averageWeek of Mar 23: 3.0 sap days on averageWeek of Mar 30: 2.7 sap days on averageWeek of Apr 6: 2.1 sap days on averageWeek of Apr 13: 1.2 sap days on averageWeek of Apr 20: 0.8 sap days on averageWeek of Apr 27: 0.5 sap days on averageWeek of May 4: 0.3 sap days on averageWeek of May 11: 0.2 sap days on averageWeek of May 18: 0.0 sap days on averageWeek of May 25: 0.0 sap days on averageDecJanFebMarAprMaytaps in ~Feb 20
Average number of freeze-thaw sap days in each week of the season at Youngstown, 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 15; the middle half of seasons fell between Feb 4 and Feb 23. Earliest Jan 18 (2017), latest Mar 5 (2014).
Closing signal
Median Mar 19; middle half between Mar 8 and Mar 29. Earliest Feb 20 (2017), latest Apr 7 (2013).
Sap days by month
Dec21%Jan15%Feb20%Mar28%Apr14%May1%

36 seasons of sap weather

Mahoning County seasons, 1991–2026

The best sap year at Youngstown was 2012 with 62 freeze-thaw days; the leanest was 2003 with 33. 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 10 – Mar 3, 34 sap days3420252025: Feb 11 – Mar 18, 40 sap days4020242024: Jan 31 – Feb 26, 40 sap days4020232023: Jan 18 – Feb 22, 61 sap days6120222022: Feb 13 – Mar 15, 54 sap days5420212021: Feb 17 – Mar 21, 41 sap days4120202020: Feb 5 – Mar 12, 59 sap days5920192019: Feb 22 – Mar 28, 50 sap days5020182018: Jan 26 – Feb 28, 59 sap days5920172017: Jan 18 – Feb 20, 38 sap days3820162016: Feb 5 – Mar 8, 54 sap days5420152015: Mar 4 – Apr 4, 36 sap days3620142014: Mar 5 – Apr 7, 39 sap days3920132013: Mar 4 – Apr 7, 50 sap days5020122012: Feb 6 – Mar 12, 62 sap days6220112011: Feb 27 – Apr 3, 33 sap days3320102010: Feb 15 – Mar 17, 34 sap days3420092009: Feb 15 – Mar 22, 43 sap days4320082008: Feb 26 – Mar 31, 42 sap days4220072007: Feb 17 – Mar 22, 36 sap days3620062006: Feb 2 – Mar 9, 45 sap days4520052005: Feb 22 – Mar 23, 35 sap days3520042004: Feb 21 – Mar 25, 43 sap days4320032003: Feb 21 – Mar 24, 33 sap days3320022002: Jan 31 – Mar 6, 53 sap days5320012001: Mar 2 – Apr 5, 47 sap days4720002000: Jan 30 – Mar 6, 46 sap days4619991999: Feb 23 – Mar 30, 59 sap days5919981998: Jan 22 – Feb 24, 51 sap days5119971997: Feb 7 – Mar 14, 57 sap days5719961996: Feb 24 – Mar 31, 49 sap days4919951995: Feb 15 – Mar 12, 57 sap days5719941994: Mar 1 – Apr 5, 46 sap days4619931993: Feb 25 – Mar 20, 46 sap days4619921992: Jan 31 – Mar 5, 56 sap days5619911991: Feb 15 – Mar 20, 52 sap days52
Each bar runs from the season's opening signal to its closing signal, estimated from daily temperatures at Youngstown. Dashed lines mark the typical dates. The right column counts freeze-thaw sap days from December through May.

Maple production

Mahoning County in the Census of Agriculture

USDA counts maple operations every five years. In Mahoning County the 2022 Census found 5 farms making syrup (-69% since 2017), with taps -53% and syrup output null over the same five years. Among the 385 counties in this atlas, Mahoning County ranks 240 by taps.

Mahoning County maple production, 2017 and 2022 (USDA Census of Agriculture)
Census yearFarmsTapsGallons of syrupGal / tap
202252,424withheld—
2017165,1671,0250.20

“Withheld” means USDA suppressed the figure to avoid disclosing data for individual operations; the farm count is still published.

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 Youngstown (1,007ft), 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 Ohio's USDA record (8 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 — Ohio, 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

Mahoning County sugaring questions

When should I tap maple trees in Mahoning County, Ohio?
In a typical year the sap starts running around February 20 near Youngstown and the season winds down around March 29. 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 18 and as late as Mar 5.
How much maple syrup does Mahoning County produce?
The 2022 Census of Agriculture counted 5 maple operations in Mahoning County; USDA withheld the county's tap and gallon totals to avoid disclosing individual farms.
How many sap days does Mahoning County get in a season?
On average 46.7 freeze-thaw sap days from December through May at Youngstown, of which about 14.3 are textbook days with a night in the 20s and a day in the 40s. The best season since 1991 was 2012 (62 sap days); the leanest was 2003 (33).
Where do these dates come from?
From 36 seasons of daily high and low temperatures at Youngstown (PRISM 4-km grid), scored with the same freeze-thaw rule as our live forecast, then calibrated against USDA's reported season dates for Ohio. 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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