Bull Harbour Threshold Days by Year (CA001031110)

9 fixed thresholds counted per year at Bull Harbour (CA001031110): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bull Harbour Thresholds

Bull Harbour: days with 10 mm (0.39 in) or more of precipitation in 61 years, most in 1976 with 85.
Bull Harbour: days with 25 mm (0.98 in) or more of precipitation in 61 years, most in 1971 with 32.
Bull Harbour: nights with a minimum temperature at or below 0 C (32 F) in 60 years, most in 1972 with 85.
Bull Harbour: days with 50 mm (1.97 in) or more of precipitation in 47 years, most in 1971 with 10.
9 fixed thresholds have at least one qualifying day at Bull Harbour.

Nights at or below 0 C (32 F)

60 years with a qualifying day

Days per year at Bull Harbour with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 85 in 1972.

Nights at or below 0 C (32 F) per year at Bull Harbour
Year	Days	Decade average
1922	73	48.1
1923	47	48.1
1924	53	48.1
1925	38	48.1
1927	58	48.1
1928	23	48.1
1929	45	48.1
1930	36	39.2
1931	39	39.2
1932	42	39.2
1933	45	39.2
1934	24	39.2
1935	43	39.2
1936	58	39.2
1937	56	39.2
1938	28	39.2
1939	21	39.2
1940	20	32.8
1941	22	32.8
1942	30	32.8
1943	38	32.8
1944	35	32.8
1945	20	32.8
1946	34	32.8
1947	29	32.8
1948	49	32.8
1949	51	32.8
1950	58	35.1
1951	49	35.1
1952	34	35.1
1953	17	35.1
1954	47	35.1
1955	41	35.1
1956	38	35.1
1957	38	35.1
1958	10	35.1
1959	19	35.1
1960	34	45.3
1961	24	45.3
1962	37	45.3
1963	26	45.3
1964	58	45.3
1965	56	45.3
1966	36	45.3
1967	53	45.3
1968	63	45.3
1969	66	45.3
1970	46	58.6
1971	70	58.6
1972	85	58.6
1973	58	58.6
1974	49	58.6
1975	71	58.6
1976	48	58.6
1977	54	58.6
1978	47	58.6
1979	58	58.6
1980	41	37.7
1981	34	37.7
1983	38	37.7

For each year, a bar from the first to the last day at Bull Harbour meeting 0 C (32 F).

First to last qualifying date each year at Bull Harbour
Year	First date	Last date
1922	1922-01-02	1922-12-29
1923	1923-01-12	1923-12-31
1924	1924-01-01	1924-12-25
1925	1925-01-06	1925-11-29
1927	1927-01-04	1927-12-31
1928	1928-01-01	1928-12-13
1929	1929-01-03	1929-12-16
1930	1930-01-04	1930-11-27
1931	1931-01-25	1931-12-29
1932	1932-01-12	1932-12-15
1933	1933-01-14	1933-12-29
1934	1934-01-16	1934-12-30
1935	1935-01-01	1935-12-21
1936	1936-01-08	1936-12-31
1937	1937-01-01	1937-12-28
1938	1938-01-03	1938-12-28
1939	1939-01-05	1939-12-21
1940	1940-01-08	1940-12-30
1941	1941-01-21	1941-12-31
1942	1942-01-01	1942-12-31
1943	1943-01-01	1943-12-18
1944	1944-01-02	1944-12-29
1945	1945-01-18	1945-12-17
1946	1946-01-29	1946-12-31
1947	1947-01-01	1947-12-04
1948	1948-01-05	1948-12-31
1949	1949-01-01	1949-12-31
1950	1950-01-01	1950-12-07
1951	1951-01-15	1951-12-31
1952	1952-01-01	1952-12-22
1953	1953-01-06	1953-12-07
1954	1954-01-07	1954-12-26
1955	1955-01-02	1955-12-31
1956	1956-01-04	1956-12-08
1957	1957-01-08	1957-12-26
1958	1958-02-13	1958-12-05
1959	1959-01-02	1959-12-16
1960	1960-01-01	1960-12-16
1961	1961-01-06	1961-12-26
1962	1962-01-15	1962-12-28
1963	1963-01-09	1963-12-15
1964	1964-01-06	1964-12-31
1965	1965-01-01	1965-12-31
1966	1966-01-01	1966-12-26
1967	1967-01-03	1967-12-21
1968	1968-01-02	1968-12-31
1969	1969-01-01	1969-12-15
1970	1970-01-03	1970-12-29
1971	1971-01-01	1971-12-29
1972	1972-01-02	1972-12-14
1973	1973-01-03	1973-12-31
1974	1974-01-01	1974-12-27
1975	1975-01-03	1975-12-31
1976	1976-01-01	1976-12-31
1977	1977-01-01	1977-12-31
1978	1978-01-01	1978-12-31
1979	1979-01-01	1979-12-15
1980	1980-01-04	1980-12-18
1981	1981-01-27	1981-12-31
1983	1983-01-13	1983-12-28

Every Fixed Threshold

Fixed thresholds at Bull Harbour
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
0 C (32 F): Ice days (max	37	20	1950	4
0 C (32 F): Frost days (min	60	85	1972	38
-10 C (14 F): Days with min	11	6	1969	6
10 mm (0.39 in): Days with 10 mm or more rain	61	85	1976	83
25 mm (0.98 in): Days with 25 mm or more rain	61	32	1971	16
50 mm (1.97 in): Days with 50 mm or more rain	47	10	1971	1
100 mm (3.94 in): Days with 100 mm or more rain	7	3	1941	1
10 cm (3.9 in): Days with 10 cm or more snowfall	35	6	1982	6
25 cm (9.8 in): Days with 25 cm or more snowfall	3	1	1922	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1922.

Download the Data

Data for Bull Harbour 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Bull Harbour Threshold Days by Year (CA001031110)

Key Facts for Bull Harbour Thresholds

Nights at or below 0 C (32 F)

Every Fixed Threshold

Download the Data

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