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

Coleraine Threshold Days by Year (USC00211675)

15 fixed thresholds counted per year at Coleraine (USC00211675): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coleraine Thresholds

  • Coleraine: days with a maximum temperature at or above 30 C (86 F) in 12 years, most in 1936 with 34.
  • Coleraine: days with a maximum temperature at or above 90 F (32.2 C) in 12 years, most in 1936 with 19.
  • Coleraine: days with a maximum temperature at or below 0 C (32 F) in 12 years, most in 1936 with 114.
  • Coleraine: nights with a minimum temperature at or below 0 C (32 F) in 12 years, most in 1945 with 202.
  • 15 fixed thresholds have at least one qualifying day at Coleraine.
12 years with a qualifying day
Days at or above 30 C (86 F) per year at Coleraine Days per year at Coleraine with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1936. 0102030401935: 211936: 341937: 301938: 201939: 271940: 151941: 221942: 71943: 261945: 121952: 241953: 22193519371939194119431952
Days per year at Coleraine with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 34 in 1936.
Days at or above 30 C (86 F) per year at Coleraine
YearDaysDecade average
19352126.4
19363426.4
19373026.4
19382026.4
19392726.4
19401516.4
19412216.4
1942716.4
19432616.4
19451216.4
19522423
19532223
First to last qualifying date each year at Coleraine For each year, a bar from the first to the last day at Coleraine meeting 30 C (86 F). 1935: 3 July 1935 to 24 September 19351936: 24 June 1936 to 23 September 19361937: 29 May 1937 to 23 September 19371938: 20 June 1938 to 22 August 19381939: 5 May 1939 to 15 September 19391940: 17 June 1940 to 19 September 19401941: 18 June 1941 to 20 September 19411942: 11 July 1942 to 21 August 19421943: 18 June 1943 to 31 August 19431945: 22 June 1945 to 6 September 19451952: 27 April 1952 to 11 September 19521953: 7 May 1953 to 2 October 1953193519371939194119431952JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Coleraine meeting 30 C (86 F).
First to last qualifying date each year at Coleraine
YearFirst dateLast date
19351935-07-031935-09-24
19361936-06-241936-09-23
19371937-05-291937-09-23
19381938-06-201938-08-22
19391939-05-051939-09-15
19401940-06-171940-09-19
19411941-06-181941-09-20
19421942-07-111942-08-21
19431943-06-181943-08-31
19451945-06-221945-09-06
19521952-04-271952-09-11
19531953-05-071953-10-02

Every Fixed Threshold

Fixed thresholds at Coleraine
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days1234193622
35 C (95 F): Days31019361
90 F (32.2 C): Days121919363
100 F (37.8 C): Days1419364
0 C (32 F): Ice days (max12114193684
0 C (32 F): Frost days (min122021945165
-10 C (14 F): Days with min12119193774
-20 C (-4 F): Days with min1252193632
-30 C (-22 F): Days with min122019366
20 C (68 F): Tropical nights (min111419413
10 mm (0.39 in): Days with 10 mm or more rain624195324
25 mm (0.98 in): Days with 25 mm or more rain611195311
50 mm (1.97 in): Days with 50 mm or more rain4419534
100 mm (3.94 in): Days with 100 mm or more rain2119531
10 cm (3.9 in): Days with 10 cm or more snowfall20n/a1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1935.

Download the Data

  • Data for Coleraine 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).