Aldgate Threshold Days by Year (ASN00023817)

4 fixed thresholds counted per year at Aldgate (ASN00023817): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Aldgate Thresholds

Aldgate: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1992 with 54.
Aldgate: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1981 with 17.
Aldgate: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 2026 with 5.
Aldgate: days with 100 mm (3.94 in) or more of precipitation in 2 years, most in 2026 with 2.
4 fixed thresholds have at least one qualifying day at Aldgate.

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

56 years with a qualifying day

Days per year at Aldgate with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 54 in 1992.

Days with 10 mm (0.39 in) or more of precipitation per year at Aldgate
Year	Days	Decade average
1970	42	37.4
1971	47	37.4
1972	33	37.4
1973	47	37.4
1974	37	37.4
1975	37	37.4
1976	25	37.4
1977	27	37.4
1978	28	37.4
1979	51	37.4
1980	31	35.2
1981	49	35.2
1982	23	35.2
1983	38	35.2
1984	31	35.2
1985	32	35.2
1986	41	35.2
1987	34	35.2
1988	37	35.2
1989	36	35.2
1990	33	34.1
1991	33	34.1
1992	54	34.1
1993	32	34.1
1994	22	34.1
1995	34	34.1
1996	45	34.1
1997	25	34.1
1998	27	34.1
1999	36	34.1
2000	39	36.1
2001	50	36.1
2002	29	36.1
2003	42	36.1
2004	40	36.1
2005	43	36.1
2006	26	36.1
2007	31	36.1
2008	27	36.1
2009	34	36.1
2011	27	31.1
2012	29	31.1
2013	31	31.1
2014	31	31.1
2015	25	31.1
2016	49	31.1
2017	39	31.1
2018	24	31.1
2019	25	31.1
2020	31	32.4
2021	39	32.4
2022	36	32.4
2023	41	32.4
2024	21	32.4
2025	28	32.4
2026	31	32.4

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

First to last qualifying date each year at Aldgate
Year	First date	Last date
1970	1970-01-01	1970-12-11
1971	1971-02-20	1971-12-31
1972	1972-01-07	1972-12-26
1973	1973-01-30	1973-12-30
1974	1974-01-14	1974-12-27
1975	1975-01-11	1975-11-03
1976	1976-01-12	1976-12-23
1977	1977-01-14	1977-12-02
1978	1978-04-09	1978-12-05
1979	1979-01-17	1979-12-30
1980	1980-04-18	1980-12-14
1981	1981-01-27	1981-12-13
1982	1982-01-25	1982-12-28
1983	1983-01-11	1983-12-06
1984	1984-03-25	1984-11-10
1985	1985-03-16	1985-12-09
1986	1986-04-16	1986-12-12
1987	1987-01-25	1987-12-01
1988	1988-01-24	1988-12-25
1989	1989-04-26	1989-12-02
1990	1990-04-21	1990-12-10
1991	1991-04-01	1991-11-06
1992	1992-02-12	1992-12-19
1993	1993-01-21	1993-12-23
1994	1994-01-06	1994-11-06
1995	1995-01-14	1995-09-30
1996	1996-01-01	1996-12-06
1997	1997-01-15	1997-12-18
1998	1998-02-08	1998-12-20
1999	1999-01-08	1999-12-03
2000	2000-02-20	2000-12-22
2001	2001-01-26	2001-12-06
2002	2002-01-21	2002-12-31
2003	2003-01-01	2003-12-22
2004	2004-03-09	2004-12-10
2005	2005-01-04	2005-12-17
2006	2006-01-02	2006-12-22
2007	2007-01-07	2007-12-22
2008	2008-01-24	2008-10-27
2009	2009-03-04	2009-12-17
2011	2011-01-14	2011-12-19
2012	2012-01-08	2012-10-11
2013	2013-01-13	2013-12-05
2014	2014-02-14	2014-11-21
2015	2015-01-08	2015-11-04
2016	2016-01-29	2016-12-28
2017	2017-01-13	2017-12-19
2018	2018-04-14	2018-12-14
2019	2019-03-25	2019-12-01
2020	2020-01-20	2020-10-30
2021	2021-01-26	2021-11-24
2022	2022-01-24	2022-11-21
2023	2023-01-29	2023-12-12
2024	2024-01-07	2024-12-29
2025	2025-03-21	2025-11-29
2026	2026-03-02	2026-10-02

Every Fixed Threshold

Fixed thresholds at Aldgate
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	56	54	1992	31
25 mm (0.98 in): Days with 25 mm or more rain	56	17	1981	15
50 mm (1.97 in): Days with 50 mm or more rain	36	5	2026	5
100 mm (3.94 in): Days with 100 mm or more rain	2	2	2026	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1970.

Download the Data

Data for Aldgate 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).

Aldgate Threshold Days by Year (ASN00023817)

Key Facts for Aldgate Thresholds

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

Every Fixed Threshold

Download the Data

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