Allardt Threshold Days by Year (USC00400081)

17 fixed thresholds counted per year at Allardt (USC00400081): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Allardt Thresholds

Allardt: days with 10 mm (0.39 in) or more of precipitation in 92 years, most in 2019 with 67.
Allardt: days with 25 mm (0.98 in) or more of precipitation in 92 years, most in 2013 with 28.
Allardt: nights with a minimum temperature at or below 0 C (32 F) in 88 years, most in 1960 with 123.
Allardt: nights with a minimum temperature at or below -10 C (14 F) in 88 years, most in 1958 with 36.
17 fixed thresholds have at least one qualifying day at Allardt.

Days at or above 30 C (86 F)

85 years with a qualifying day

Days per year at Allardt with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 91 in 1941.

Days at or above 30 C (86 F) per year at Allardt
Year	Days	Decade average
1928	52	51.5
1929	51	51.5
1930	76	61.9
1931	87	61.9
1932	71	61.9
1933	66	61.9
1934	68	61.9
1937	47	61.9
1938	38	61.9
1939	42	61.9
1940	32	64.3
1941	91	64.3
1942	67	64.3
1943	77	64.3
1944	64	64.3
1945	71	64.3
1946	45	64.3
1947	74	64.3
1948	58	64.3
1950	13	44.2
1952	67	44.2
1953	63	44.2
1954	75	44.2
1955	52	44.2
1956	37	44.2
1957	42	44.2
1958	20	44.2
1959	29	44.2
1960	35	34.7
1961	18	34.7
1962	66	34.7
1963	28	34.7
1964	44	34.7
1965	21	34.7
1966	37	34.7
1967	7	34.7
1968	50	34.7
1969	41	34.7
1970	39	26
1971	17	26
1972	13	26
1973	24	26
1974	21	26
1975	33	26
1976	22	26
1977	42	26
1978	34	26
1979	15	26
1980	67	34.4
1981	28	34.4
1982	12	34.4
1983	54	34.4
1984	29	34.4
1985	19	34.4
1986	37	34.4
1987	33	34.4
1988	51	34.4
1989	14	34.4
1990	36	32.1
1991	38	32.1
1992	8	32.1
1993	38	32.1
1995	27	32.1
1997	26	32.1
1998	49	32.1
1999	35	32.1
2000	26	27.4
2001	17	27.4
2002	32	27.4
2004	3	27.4
2005	46	27.4
2006	39	27.4
2007	44	27.4
2008	38	27.4
2009	2	27.4
2010	32	31.7
2011	23	31.7
2012	24	31.7
2014	14	31.7
2015	21	31.7
2016	55	31.7
2017	14	31.7
2018	32	31.7
2019	70	31.7
2020	45	45

For each year, a bar from the first to the last day at Allardt meeting 30 C (86 F).

First to last qualifying date each year at Allardt
Year	First date	Last date
1928	1928-05-04	1928-10-14
1929	1929-03-25	1929-09-09
1930	1930-04-13	1930-09-24
1931	1931-05-17	1931-09-25
1932	1932-05-05	1932-09-18
1933	1933-05-01	1933-09-25
1934	1934-05-05	1934-09-24
1937	1937-05-22	1937-09-29
1938	1938-05-19	1938-10-19
1939	1939-05-23	1939-10-09
1940	1940-04-01	1940-09-23
1941	1941-05-16	1941-10-09
1942	1942-04-25	1942-09-19
1943	1943-05-06	1943-09-15
1944	1944-05-11	1944-09-20
1945	1945-05-28	1945-10-01
1946	1946-04-03	1946-09-28
1947	1947-05-15	1947-10-24
1948	1948-04-25	1948-09-21
1950	1950-05-24	1950-08-17
1952	1952-06-04	1952-09-16
1953	1953-05-23	1953-10-02
1954	1954-05-30	1954-10-05
1955	1955-04-18	1955-09-23
1956	1956-06-11	1956-09-16
1957	1957-06-12	1957-09-12
1958	1958-05-31	1958-09-05
1959	1959-05-05	1959-09-05
1960	1960-04-23	1960-09-07
1961	1961-06-11	1961-09-24
1962	1962-04-27	1962-09-13
1963	1963-04-21	1963-09-21
1964	1964-05-19	1964-09-11
1965	1965-04-24	1965-09-10
1966	1966-06-09	1966-09-03
1967	1967-06-14	1967-08-08
1968	1968-05-15	1968-09-03
1969	1969-05-30	1969-08-18
1970	1970-05-21	1970-09-14
1971	1971-06-03	1971-09-15
1972	1972-06-05	1972-09-14
1973	1973-06-11	1973-09-04
1974	1974-05-19	1974-08-26
1975	1975-05-25	1975-09-05
1976	1976-06-13	1976-08-25
1977	1977-06-05	1977-09-05
1978	1978-06-25	1978-09-20
1979	1979-05-11	1979-08-21
1980	1980-06-07	1980-09-22
1981	1981-06-12	1981-08-15
1982	1982-05-13	1982-08-06
1983	1983-06-25	1983-09-19
1984	1984-06-05	1984-09-21
1985	1985-06-02	1985-08-14
1986	1986-04-27	1986-09-26
1987	1987-06-14	1987-08-27
1988	1988-05-30	1988-08-27
1989	1989-06-25	1989-08-31
1990	1990-06-20	1990-09-10
1991	1991-05-30	1991-09-19
1992	1992-07-08	1992-07-21
1993	1993-06-17	1993-09-01
1995	1995-07-12	1995-09-01
1997	1997-06-23	1997-09-19
1998	1998-05-14	1998-09-28
1999	1999-06-08	1999-09-28
2000	2000-05-18	2000-09-01
2001	2001-06-15	2001-08-23
2002	2002-06-02	2002-09-10
2004	2004-08-04	2004-09-06
2005	2005-06-06	2005-09-24
2006	2006-04-16	2006-08-27
2007	2007-06-07	2007-10-08
2008	2008-06-05	2008-09-09
2009	2009-08-09	2009-08-10
2010	2010-06-15	2010-09-24
2011	2011-05-31	2011-09-04
2012	2012-05-28	2012-08-28
2014	2014-06-17	2014-09-07
2015	2015-06-16	2015-09-06
2016	2016-06-02	2016-10-20
2017	2017-06-14	2017-10-14
2018	2018-06-10	2018-09-22
2019	2019-05-26	2019-10-06
2020	2020-05-24	2020-09-13

Every Fixed Threshold

Fixed thresholds at Allardt
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	85	91	1941	45
35 C (95 F): Days	28	30	1930	6
90 F (32.2 C): Days	71	56	1943	8
100 F (37.8 C): Days	7	10	1930	1
0 C (32 F): Ice days (max	86	40	2010	7
0 C (32 F): Frost days (min	88	123	1960	67
-10 C (14 F): Days with min	88	36	1958	4
-20 C (-4 F): Days with min	41	6	1963	1
-30 C (-22 F): Days with min	1	1	1985	1
20 C (68 F): Tropical nights (min	81	30	2010	28
25 C (77 F): Days with min	2	2	2008	2
10 mm (0.39 in): Days with 10 mm or more rain	92	67	2019	51
25 mm (0.98 in): Days with 25 mm or more rain	92	28	2013	18
50 mm (1.97 in): Days with 50 mm or more rain	84	11	2011	4
100 mm (3.94 in): Days with 100 mm or more rain	14	1	1928	1
10 cm (3.9 in): Days with 10 cm or more snowfall	51	5	1929	1
25 cm (9.8 in): Days with 25 cm or more snowfall	5	3	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1928.

Download the Data

Data for Allardt 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Allardt Threshold Days by Year (USC00400081)

Key Facts for Allardt Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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