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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Breton Threshold Days by Year (CA003010815)

10 fixed thresholds counted per year at Breton (CA003010815): 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 14 years, most in 1971 with 21.
  • Breton: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1964 with 4.
  • Breton: days with 10 cm (3.9 in) or more of snowfall in 12 years, most in 1970 with 4.
  • Breton: days with a maximum temperature at or above 30 C (86 F) in 1 years, most in 1975 with 4.
  • 10 fixed thresholds have at least one qualifying day at Breton.
14 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 21 in 1971. 01020301962: 121964: 201965: 181966: 131967: 71968: 131969: 111970: 121971: 211972: 121973: 151974: 141975: 141976: 121962196519671969197119731975
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 21 in 1971.
Days with 10 mm (0.39 in) or more of precipitation per year at Breton
YearDaysDecade average
19621213.4
19642013.4
19651813.4
19661313.4
1967713.4
19681313.4
19691113.4
19701214.3
19712114.3
19721214.3
19731514.3
19741414.3
19751414.3
19761214.3
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). 1962: 3 February 1962 to 21 October 19621964: 9 January 1964 to 22 December 19641965: 5 February 1965 to 29 August 19651966: 16 February 1966 to 23 September 19661967: 24 May 1967 to 30 October 19671968: 10 April 1968 to 6 October 19681969: 3 May 1969 to 21 December 19691970: 3 January 1970 to 25 October 19701971: 7 January 1971 to 18 November 19711972: 21 April 1972 to 30 November 19721973: 19 May 1973 to 6 October 19731974: 22 January 1974 to 21 December 19741975: 19 January 1975 to 30 December 19751976: 11 February 1976 to 11 September 19761962196519671969197119731975JanFebMarAprMayJunJulAugSepOctNovDec
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
19621962-02-031962-10-21
19641964-01-091964-12-22
19651965-02-051965-08-29
19661966-02-161966-09-23
19671967-05-241967-10-30
19681968-04-101968-10-06
19691969-05-031969-12-21
19701970-01-031970-10-25
19711971-01-071971-11-18
19721972-04-211972-11-30
19731973-05-191973-10-06
19741974-01-221974-12-21
19751975-01-191975-12-30
19761976-02-111976-09-11

Every Fixed Threshold

Fixed thresholds at Breton
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1419754
0 C (32 F): Ice days (max191197591
0 C (32 F): Frost days (min11991975199
-10 C (14 F): Days with min193197593
-20 C (-4 F): Days with min142197542
-30 C (-22 F): Days with min111197511
10 mm (0.39 in): Days with 10 mm or more rain1421197112
25 mm (0.98 in): Days with 25 mm or more rain13419641
50 mm (1.97 in): Days with 50 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall12419702

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1975.

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 2026-10-17 (17 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2026-10-17).