Bloomsbury Post Office Threshold Days by Year

5 fixed thresholds counted per year at Bloomsbury Post Office (ASN00033005): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bloomsbury Post Office Thresholds

Bloomsbury Post Office: days with 10 mm (0.39 in) or more of precipitation in 72 years, most in 1956 with 67.
Bloomsbury Post Office: days with 25 mm (0.98 in) or more of precipitation in 72 years, most in 1956 with 36.
Bloomsbury Post Office: days with 50 mm (1.97 in) or more of precipitation in 71 years, most in 1894 with 18.
Bloomsbury Post Office: days with 100 mm (3.94 in) or more of precipitation in 49 years, most in 1896 with 7.
5 fixed thresholds have at least one qualifying day at Bloomsbury Post Office.

Days with 10 mm (0.39 in) or more of precipitation

72 years with a qualifying day

Days per year at Bloomsbury Post Office with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 67 in 1956.

Days with 10 mm (0.39 in) or more of precipitation per year at Bloomsbury Post Office
Year	Days	Decade average
1888	17	26.5
1889	36	26.5
1890	49	39.6
1891	40	39.6
1892	36	39.6
1893	35	39.6
1894	58	39.6
1895	27	39.6
1896	46	39.6
1897	30	39.6
1898	35	39.6
1899	40	39.6
1900	28	34.3
1901	39	34.3
1902	16	34.3
1904	23	34.3
1905	35	34.3
1906	56	34.3
1907	41	34.3
1908	33	34.3
1909	38	34.3
1910	45	33.3
1911	33	33.3
1912	30	33.3
1913	42	33.3
1914	32	33.3
1915	18	33.3
1929	34	34
1930	35	31.4
1931	28	31.4
1934	30	31.4
1935	24	31.4
1936	46	31.4
1937	32	31.4
1938	28	31.4
1939	28	31.4
1940	31	29.5
1941	42	29.5
1942	35	29.5
1943	33	29.5
1944	25	29.5
1945	25	29.5
1946	28	29.5
1947	26	29.5
1948	20	29.5
1949	30	29.5
1950	59	37.7
1951	24	37.7
1952	25	37.7
1953	27	37.7
1954	40	37.7
1955	44	37.7
1956	67	37.7
1957	20	37.7
1958	35	37.7
1959	36	37.7
1960	28	26.9
1961	22	26.9
1962	24	26.9
1963	33	26.9
1964	27	26.9
1965	22	26.9
1966	27	26.9
1967	29	26.9
1968	32	26.9
1969	25	26.9
1970	31	33.7
1971	22	33.7
1972	27	33.7
1973	39	33.7
1974	46	33.7
1975	37	33.7

For each year, a bar from the first to the last day at Bloomsbury Post Office meeting 10 mm (0.39 in).

First to last qualifying date each year at Bloomsbury Post Office
Year	First date	Last date
1888	1888-02-03	1888-12-31
1889	1889-01-23	1889-12-30
1890	1890-01-01	1890-12-03
1891	1891-01-03	1891-11-23
1892	1892-01-04	1892-12-25
1893	1893-01-09	1893-12-23
1894	1894-01-01	1894-12-17
1895	1895-01-09	1895-11-19
1896	1896-01-01	1896-12-27
1897	1897-01-06	1897-12-30
1898	1898-01-01	1898-12-24
1899	1899-01-05	1899-12-25
1900	1900-01-01	1900-12-28
1901	1901-01-05	1901-12-26
1902	1902-01-10	1902-12-19
1904	1904-01-05	1904-12-19
1905	1905-01-06	1905-12-02
1906	1906-01-03	1906-12-25
1907	1907-01-10	1907-12-29
1908	1908-01-04	1908-11-26
1909	1909-01-05	1909-12-23
1910	1910-01-01	1910-12-30
1911	1911-01-04	1911-12-27
1912	1912-01-08	1912-12-27
1913	1913-01-01	1913-12-26
1914	1914-01-23	1914-12-28
1915	1915-01-08	1915-12-30
1929	1929-01-03	1929-12-29
1930	1930-01-01	1930-12-08
1931	1931-01-26	1931-12-25
1934	1934-01-10	1934-12-27
1935	1935-01-20	1935-12-31
1936	1936-01-01	1936-12-28
1937	1937-01-01	1937-12-16
1938	1938-01-12	1938-11-30
1939	1939-01-17	1939-12-28
1940	1940-01-02	1940-12-04
1941	1941-01-03	1941-12-05
1942	1942-01-18	1942-12-31
1943	1943-01-01	1943-12-20
1944	1944-01-01	1944-12-23
1945	1945-01-03	1945-12-24
1946	1946-01-08	1946-12-25
1947	1947-02-02	1947-11-29
1948	1948-01-03	1948-12-31
1949	1949-01-04	1949-11-28
1950	1950-01-05	1950-12-21
1951	1951-01-06	1951-12-31
1952	1952-01-11	1952-12-11
1953	1953-01-12	1953-10-27
1954	1954-01-04	1954-12-20
1955	1955-01-05	1955-12-30
1956	1956-01-04	1956-12-31
1957	1957-01-03	1957-11-28
1958	1958-01-03	1958-12-29
1959	1959-01-05	1959-12-30
1960	1960-01-09	1960-12-30
1961	1961-01-17	1961-12-27
1962	1962-01-04	1962-12-31
1963	1963-01-01	1963-12-18
1964	1964-01-02	1964-12-08
1965	1965-01-07	1965-12-21
1966	1966-01-03	1966-12-10
1967	1967-01-03	1967-12-23
1968	1968-01-12	1968-12-05
1969	1969-01-03	1969-12-24
1970	1970-01-16	1970-12-28
1971	1971-01-08	1971-12-24
1972	1972-01-05	1972-11-15
1973	1973-01-12	1973-12-28
1974	1974-01-02	1974-12-27
1975	1975-01-02	1975-12-30

Every Fixed Threshold

Fixed thresholds at Bloomsbury Post Office
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	72	67	1956	37
25 mm (0.98 in): Days with 25 mm or more rain	72	36	1956	27
50 mm (1.97 in): Days with 50 mm or more rain	71	18	1894	16
100 mm (3.94 in): Days with 100 mm or more rain	49	7	1896	6
200 mm (7.87 in): Days with 200 mm or more rain	20	2	1894	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1888.

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Data for Bloomsbury Post Office 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Bloomsbury Post Office Threshold Days by Year

Key Facts for Bloomsbury Post Office Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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