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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Grand Bank Threshold Days by Year

11 fixed thresholds counted per year at Grand Bank (CA008402000): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Grand Bank Thresholds

  • Grand Bank: nights with a minimum temperature at or below 0 C (32 F) in 29 years, most in 1938 with 171.
  • Grand Bank: nights with a minimum temperature at or below -10 C (14 F) in 29 years, most in 1939 with 36.
  • Grand Bank: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1944 with 56.
  • Grand Bank: days with 25 mm (0.98 in) or more of precipitation in 29 years, most in 1944 with 22.
  • 11 fixed thresholds have at least one qualifying day at Grand Bank.
29 years with a qualifying day
Nights at or below 0 C (32 F) per year at Grand Bank Days per year at Grand Bank with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 171 in 1938. 0501001502001935: 1521936: 1471937: 1451938: 1711939: 1711940: 1451941: 1601942: 1551943: 1631944: 1531945: 1531946: 1651947: 1621948: 1621951: 1081952: 1411953: 1241954: 1391955: 1501956: 1481957: 1531958: 1201959: 1651960: 1471961: 1511962: 1321963: 1491964: 1601965: 1611935193819411944194719521955195819611964
Days per year at Grand Bank with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 171 in 1938.
Nights at or below 0 C (32 F) per year at Grand Bank
YearDaysDecade average
1935152157.2
1936147157.2
1937145157.2
1938171157.2
1939171157.2
1940145157.6
1941160157.6
1942155157.6
1943163157.6
1944153157.6
1945153157.6
1946165157.6
1947162157.6
1948162157.6
1951108138.7
1952141138.7
1953124138.7
1954139138.7
1955150138.7
1956148138.7
1957153138.7
1958120138.7
1959165138.7
1960147150
1961151150
1962132150
1963149150
1964160150
1965161150
First to last qualifying date each year at Grand Bank For each year, a bar from the first to the last day at Grand Bank meeting 0 C (32 F). 1935: 1 January 1935 to 31 December 19351936: 1 January 1936 to 31 December 19361937: 2 January 1937 to 31 December 19371938: 1 January 1938 to 31 December 19381939: 1 January 1939 to 31 December 19391940: 1 January 1940 to 29 December 19401941: 1 January 1941 to 31 December 19411942: 1 January 1942 to 31 December 19421943: 1 January 1943 to 31 December 19431944: 1 January 1944 to 31 December 19441945: 1 January 1945 to 31 December 19451946: 1 January 1946 to 31 December 19461947: 1 January 1947 to 31 December 19471948: 1 January 1948 to 31 December 19481951: 1 January 1951 to 30 December 19511952: 1 January 1952 to 31 December 19521953: 1 January 1953 to 31 December 19531954: 1 January 1954 to 31 December 19541955: 1 January 1955 to 31 December 19551956: 1 January 1956 to 31 December 19561957: 1 January 1957 to 31 December 19571958: 1 January 1958 to 31 December 19581959: 1 January 1959 to 31 December 19591960: 1 January 1960 to 30 December 19601961: 1 January 1961 to 31 December 19611962: 1 January 1962 to 31 December 19621963: 6 January 1963 to 31 December 19631964: 1 January 1964 to 30 December 19641965: 4 January 1965 to 31 December 196519351939194319471953195719611965JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Grand Bank meeting 0 C (32 F).
First to last qualifying date each year at Grand Bank
YearFirst dateLast date
19351935-01-011935-12-31
19361936-01-011936-12-31
19371937-01-021937-12-31
19381938-01-011938-12-31
19391939-01-011939-12-31
19401940-01-011940-12-29
19411941-01-011941-12-31
19421942-01-011942-12-31
19431943-01-011943-12-31
19441944-01-011944-12-31
19451945-01-011945-12-31
19461946-01-011946-12-31
19471947-01-011947-12-31
19481948-01-011948-12-31
19511951-01-011951-12-30
19521952-01-011952-12-31
19531953-01-011953-12-31
19541954-01-011954-12-31
19551955-01-011955-12-31
19561956-01-011956-12-31
19571957-01-011957-12-31
19581958-01-011958-12-31
19591959-01-011959-12-31
19601960-01-011960-12-30
19611961-01-011961-12-31
19621962-01-011962-12-31
19631963-01-061963-12-31
19641964-01-011964-12-30
19651965-01-041965-12-31

Every Fixed Threshold

Fixed thresholds at Grand Bank
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max2772195950
0 C (32 F): Frost days (min291711938161
-10 C (14 F): Days with min2936193910
-20 C (-4 F): Days with min2119351
10 mm (0.39 in): Days with 10 mm or more rain2956194446
25 mm (0.98 in): Days with 25 mm or more rain292219448
50 mm (1.97 in): Days with 50 mm or more rain17319411
100 mm (3.94 in): Days with 100 mm or more rain1119371
10 cm (3.9 in): Days with 10 cm or more snowfall291019375
25 cm (9.8 in): Days with 25 cm or more snowfall9319452
50 cm (19.7 in): Days with 50 cm or more snowfall1119581

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 Grand Bank 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 2026-10-14 (14 October 2026). Threshold counts are computed by this site.

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