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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Weymouth Falls Threshold Days by Year (CA008206275)

12 fixed thresholds counted per year at Weymouth Falls (CA008206275): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Weymouth Falls Thresholds

  • Weymouth Falls: days with 10 mm (0.39 in) or more of precipitation in 15 years, most in 1979 with 57.
  • Weymouth Falls: days with 25 mm (0.98 in) or more of precipitation in 15 years, most in 1973 with 17.
  • Weymouth Falls: days with 10 cm (3.9 in) or more of snowfall in 15 years, most in 1981 with 12.
  • Weymouth Falls: days with a maximum temperature at or below 0 C (32 F) in 13 years, most in 1978 with 56.
  • 12 fixed thresholds have at least one qualifying day at Weymouth Falls.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at Weymouth Falls Days per year at Weymouth Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1978. 011221976: 11978: 21983: 1197619781983
Days per year at Weymouth Falls with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 2 in 1978.
Days at or above 30 C (86 F) per year at Weymouth Falls
YearDaysDecade average
197611.5
197821.5
198311
First to last qualifying date each year at Weymouth Falls For each year, a bar from the first to the last day at Weymouth Falls meeting 30 C (86 F). 1976: 22 August 1976 to 22 August 19761978: 23 July 1978 to 19 August 19781983: 4 July 1983 to 4 July 1983197619781983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Weymouth Falls meeting 30 C (86 F).
First to last qualifying date each year at Weymouth Falls
YearFirst dateLast date
19761976-08-221976-08-22
19781978-07-231978-08-19
19831983-07-041983-07-04

Every Fixed Threshold

Fixed thresholds at Weymouth Falls
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3219781
0 C (32 F): Ice days (max1356197837
0 C (32 F): Frost days (min131691967119
-10 C (14 F): Days with min1341197229
-20 C (-4 F): Days with min9419672
20 C (68 F): Tropical nights (min7519791
10 mm (0.39 in): Days with 10 mm or more rain1557197946
25 mm (0.98 in): Days with 25 mm or more rain151719739
50 mm (1.97 in): Days with 50 mm or more rain13319672
100 mm (3.94 in): Days with 100 mm or more rain2119671
10 cm (3.9 in): Days with 10 cm or more snowfall151219813
25 cm (9.8 in): Days with 25 cm or more snowfall5119671

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1976.

Download the Data

  • Data for Weymouth Falls 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).