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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Breton Threshold Days by Year

3 fixed thresholds counted per year at Breton (ASN00098010): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Breton Thresholds

  • Breton: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1910 with 48.
  • Breton: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1910 with 14.
  • Breton: days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1910 with 3.
  • 3 fixed thresholds have at least one qualifying day at Breton.
32 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Breton Days per year at Breton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1910. 02040601910: 481911: 291912: 291914: 241915: 351916: 331917: 421918: 261919: 301920: 231921: 311922: 321923: 461924: 331925: 141926: 311927: 241928: 311929: 401930: 301931: 351932: 251933: 201934: 241935: 281936: 301937: 301938: 241939: 381940: 241941: 231942: 3719101915191919231927193119351939
Days per year at Breton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1910.
Days with 10 mm (0.39 in) or more of precipitation per year at Breton
YearDaysDecade average
19104832.9
19112932.9
19122932.9
19142432.9
19153532.9
19163332.9
19174232.9
19182632.9
19193032.9
19202330.5
19213130.5
19223230.5
19234630.5
19243330.5
19251430.5
19263130.5
19272430.5
19283130.5
19294030.5
19303028.4
19313528.4
19322528.4
19332028.4
19342428.4
19352828.4
19363028.4
19373028.4
19382428.4
19393828.4
19402428
19412328
19423728
First to last qualifying date each year at Breton For each year, a bar from the first to the last day at Breton meeting 10 mm (0.39 in). 1910: 10 January 1910 to 23 December 19101911: 9 February 1911 to 19 December 19111912: 5 March 1912 to 10 December 19121914: 27 January 1914 to 26 December 19141915: 7 March 1915 to 30 October 19151916: 28 January 1916 to 29 December 19161917: 15 February 1917 to 25 November 19171918: 14 January 1918 to 3 December 19181919: 7 January 1919 to 28 December 19191920: 29 February 1920 to 14 November 19201921: 17 April 1921 to 29 December 19211922: 30 January 1922 to 30 December 19221923: 18 January 1923 to 16 December 19231924: 11 January 1924 to 26 December 19241925: 21 February 1925 to 12 October 19251926: 9 February 1926 to 6 December 19261927: 3 February 1927 to 5 December 19271928: 1 January 1928 to 15 December 19281929: 26 January 1929 to 28 December 19291930: 22 February 1930 to 27 December 19301931: 14 March 1931 to 20 November 19311932: 9 January 1932 to 1 December 19321933: 30 March 1933 to 2 December 19331934: 6 January 1934 to 30 December 19341935: 5 January 1935 to 21 December 19351936: 12 March 1936 to 4 December 19361937: 1 January 1937 to 26 December 19371938: 14 January 1938 to 10 December 19381939: 3 February 1939 to 23 December 19391940: 6 January 1940 to 31 December 19401941: 24 January 1941 to 20 November 19411942: 20 January 1942 to 19 December 194219101915191919231927193119351939JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Breton meeting 10 mm (0.39 in).
First to last qualifying date each year at Breton
YearFirst dateLast date
19101910-01-101910-12-23
19111911-02-091911-12-19
19121912-03-051912-12-10
19141914-01-271914-12-26
19151915-03-071915-10-30
19161916-01-281916-12-29
19171917-02-151917-11-25
19181918-01-141918-12-03
19191919-01-071919-12-28
19201920-02-291920-11-14
19211921-04-171921-12-29
19221922-01-301922-12-30
19231923-01-181923-12-16
19241924-01-111924-12-26
19251925-02-211925-10-12
19261926-02-091926-12-06
19271927-02-031927-12-05
19281928-01-011928-12-15
19291929-01-261929-12-28
19301930-02-221930-12-27
19311931-03-141931-11-20
19321932-01-091932-12-01
19331933-03-301933-12-02
19341934-01-061934-12-30
19351935-01-051935-12-21
19361936-03-121936-12-04
19371937-01-011937-12-26
19381938-01-141938-12-10
19391939-02-031939-12-23
19401940-01-061940-12-31
19411941-01-241941-11-20
19421942-01-201942-12-19

Every Fixed Threshold

Fixed thresholds at Breton
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3248191037
25 mm (0.98 in): Days with 25 mm or more rain311419101
50 mm (1.97 in): Days with 50 mm or more rain4319101

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1910.

Download the Data

  • Data for Breton 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

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