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

The Chestnuts Threshold Days by Year

3 fixed thresholds counted per year at The Chestnuts (ASN00009052): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for The Chestnuts Thresholds

  • The Chestnuts: days with 10 mm (0.39 in) or more of precipitation in 4 years, most in 1907 with 46.
  • The Chestnuts: days with 25 mm (0.98 in) or more of precipitation in 4 years, most in 1939 with 17.
  • The Chestnuts: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1907 with 5.
  • 3 fixed thresholds have at least one qualifying day at The Chestnuts.
4 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at The Chestnuts Days per year at The Chestnuts with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1907. 02040601907: 461939: 341940: 221941: 431907193919401941
Days per year at The Chestnuts with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1907.
Days with 10 mm (0.39 in) or more of precipitation per year at The Chestnuts
YearDaysDecade average
19074646
19393434
19402232.5
19414332.5
First to last qualifying date each year at The Chestnuts For each year, a bar from the first to the last day at The Chestnuts meeting 10 mm (0.39 in). 1907: 18 March 1907 to 24 October 19071939: 4 May 1939 to 4 October 19391940: 27 April 1940 to 21 October 19401941: 15 April 1941 to 18 November 19411907193919401941JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at The Chestnuts meeting 10 mm (0.39 in).
First to last qualifying date each year at The Chestnuts
YearFirst dateLast date
19071907-03-181907-10-24
19391939-05-041939-10-04
19401940-04-271940-10-21
19411941-04-151941-11-18

Every Fixed Threshold

Fixed thresholds at The Chestnuts
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain446190743
25 mm (0.98 in): Days with 25 mm or more rain417193910
50 mm (1.97 in): Days with 50 mm or more rain4519071

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

  • Data for The Chestnuts 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).