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Built 2026-10-19 (19 October 2026)

Tranquille Threshold Days by Year (CA001168220)

15 fixed thresholds counted per year at Tranquille (CA001168220): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tranquille Thresholds

  • Tranquille: days with a maximum temperature at or above 30 C (86 F) in 38 years, most in 1914 with 38.
  • Tranquille: days with a maximum temperature at or above 90 F (32.2 C) in 38 years, most in 1914 with 24.
  • Tranquille: days with a maximum temperature at or below 0 C (32 F) in 38 years, most in 1916 with 70.
  • Tranquille: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 1923 with 149.
  • 15 fixed thresholds have at least one qualifying day at Tranquille.
38 years with a qualifying day
Days at or above 30 C (86 F) per year at Tranquille Days per year at Tranquille with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1914. 0102030401909: 261910: 321911: 271912: 181914: 381915: 181916: 111917: 231918: 231919: 101920: 281921: 151922: 221923: 311924: 311925: 371926: 261927: 251928: 281929: 191930: 231931: 201932: 191933: 191934: 171935: 121936: 331937: 191938: 261939: 261940: 141941: 281943: 131948: 161949: 271950: 361951: 321952: 291909191419181922192619301934193819431951
Days per year at Tranquille with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 38 in 1914.
Days at or above 30 C (86 F) per year at Tranquille
YearDaysDecade average
19092626
19103222.2
19112722.2
19121822.2
19143822.2
19151822.2
19161122.2
19172322.2
19182322.2
19191022.2
19202826.2
19211526.2
19222226.2
19233126.2
19243126.2
19253726.2
19262626.2
19272526.2
19282826.2
19291926.2
19302321.4
19312021.4
19321921.4
19331921.4
19341721.4
19351221.4
19363321.4
19371921.4
19382621.4
19392621.4
19401419.6
19412819.6
19431319.6
19481619.6
19492719.6
19503632.3
19513232.3
19522932.3
First to last qualifying date each year at Tranquille For each year, a bar from the first to the last day at Tranquille meeting 30 C (86 F). 1909: 9 June 1909 to 25 September 19091910: 24 April 1910 to 20 September 19101911: 30 May 1911 to 18 August 19111912: 13 May 1912 to 30 July 19121914: 31 May 1914 to 28 August 19141915: 1 July 1915 to 29 August 19151916: 14 June 1916 to 31 August 19161917: 15 June 1917 to 16 September 19171918: 5 June 1918 to 31 July 19181919: 19 June 1919 to 20 August 19191920: 29 June 1920 to 22 August 19201921: 13 July 1921 to 13 August 19211922: 3 June 1922 to 18 August 19221923: 4 June 1923 to 30 August 19231924: 13 May 1924 to 4 September 19241925: 17 May 1925 to 20 August 19251926: 3 June 1926 to 14 August 19261927: 21 June 1927 to 16 August 19271928: 20 May 1928 to 1 September 19281929: 1 July 1929 to 28 August 19291930: 15 June 1930 to 15 August 19301931: 7 June 1931 to 10 August 19311932: 11 June 1932 to 18 August 19321933: 14 June 1933 to 27 August 19331934: 24 May 1934 to 28 August 19341935: 12 July 1935 to 1 September 19351936: 25 May 1936 to 28 August 19361937: 1 June 1937 to 28 July 19371938: 22 May 1938 to 28 July 19381939: 13 May 1939 to 23 August 19391940: 23 May 1940 to 8 August 19401941: 23 May 1941 to 22 August 19411943: 1 July 1943 to 30 July 19431948: 27 May 1948 to 1 August 19481949: 8 May 1949 to 1 September 19491950: 11 June 1950 to 22 September 19501951: 14 June 1951 to 21 August 19511952: 27 May 1952 to 25 September 195219091915192019251930193519401950JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tranquille meeting 30 C (86 F).
First to last qualifying date each year at Tranquille
YearFirst dateLast date
19091909-06-091909-09-25
19101910-04-241910-09-20
19111911-05-301911-08-18
19121912-05-131912-07-30
19141914-05-311914-08-28
19151915-07-011915-08-29
19161916-06-141916-08-31
19171917-06-151917-09-16
19181918-06-051918-07-31
19191919-06-191919-08-20
19201920-06-291920-08-22
19211921-07-131921-08-13
19221922-06-031922-08-18
19231923-06-041923-08-30
19241924-05-131924-09-04
19251925-05-171925-08-20
19261926-06-031926-08-14
19271927-06-211927-08-16
19281928-05-201928-09-01
19291929-07-011929-08-28
19301930-06-151930-08-15
19311931-06-071931-08-10
19321932-06-111932-08-18
19331933-06-141933-08-27
19341934-05-241934-08-28
19351935-07-121935-09-01
19361936-05-251936-08-28
19371937-06-011937-07-28
19381938-05-221938-07-28
19391939-05-131939-08-23
19401940-05-231940-08-08
19411941-05-231941-08-22
19431943-07-011943-07-30
19481948-05-271948-08-01
19491949-05-081949-09-01
19501950-06-111950-09-22
19511951-06-141951-08-21
19521952-05-271952-09-25

Every Fixed Threshold

Fixed thresholds at Tranquille
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3838191429
35 C (95 F): Days24719505
90 F (32.2 C): Days3824191416
100 F (37.8 C): Days7219412
0 C (32 F): Ice days (max3870191634
0 C (32 F): Frost days (min381491923120
-10 C (14 F): Days with min3854191623
-20 C (-4 F): Days with min323019167
-30 C (-22 F): Days with min111019501
20 C (68 F): Tropical nights (min19719321
25 C (77 F): Days with min1119091
10 mm (0.39 in): Days with 10 mm or more rain34819382
25 mm (0.98 in): Days with 25 mm or more rain5119151
10 cm (3.9 in): Days with 10 cm or more snowfall23619372
25 cm (9.8 in): Days with 25 cm or more snowfall2119241

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1909.

Download the Data

  • Data for Tranquille 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).