Built 2026-10-19 (19 October 2026)

Mt Wachuset Threshold Days by Year (USC00195077)

3 fixed thresholds counted per year at Mt Wachuset (USC00195077): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Mt Wachuset Thresholds

  • Mt Wachuset: days with 10 mm (0.39 in) or more of precipitation in 1 years, most in 1896 with 43.
  • Mt Wachuset: days with 25 mm (0.98 in) or more of precipitation in 1 years, most in 1896 with 8.
  • Mt Wachuset: days with 50 mm (1.97 in) or more of precipitation in 1 years, most in 1896 with 3.
  • 3 fixed thresholds have at least one qualifying day at Mt Wachuset.
1 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Mt Wachuset Days per year at Mt Wachuset with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1896. 02040601896: 431896
Days per year at Mt Wachuset with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1896.
Days with 10 mm (0.39 in) or more of precipitation per year at Mt Wachuset
YearDaysDecade average
18964343
First to last qualifying date each year at Mt Wachuset For each year, a bar from the first to the last day at Mt Wachuset meeting 10 mm (0.39 in). 1896: 10 January 1896 to 9 December 18961896JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Mt Wachuset meeting 10 mm (0.39 in).
First to last qualifying date each year at Mt Wachuset
YearFirst dateLast date
18961896-01-101896-12-09

Every Fixed Threshold

Fixed thresholds at Mt Wachuset
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain143189643
25 mm (0.98 in): Days with 25 mm or more rain1818968
50 mm (1.97 in): Days with 50 mm or more rain1318963

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

  • Data for Mt Wachuset threshold days by year: CSV or JSON. Field meanings are on the data page.

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).