Lead Threshold Days by Year (USC00394834)

19 fixed thresholds counted per year at Lead (USC00394834): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Lead Thresholds

Lead: nights with a minimum temperature at or below 0 C (32 F) in 116 years, most in 1970 with 192.
Lead: nights with a minimum temperature at or below -10 C (14 F) in 116 years, most in 1955 with 78.
Lead: nights with a minimum temperature at or below -20 C (-4 F) in 116 years, most in 1916 with 35.
Lead: days with a maximum temperature at or below 0 C (32 F) in 114 years, most in 1955 with 72.
19 fixed thresholds have at least one qualifying day at Lead.

Days at or above 30 C (86 F)

113 years with a qualifying day

Days per year at Lead with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 53 in 1936.

Days at or above 30 C (86 F) per year at Lead
Year	Days	Decade average
1910	26	17.4
1911	10	17.4
1912	5	17.4
1913	21	17.4
1914	22	17.4
1916	20	17.4
1917	21	17.4
1918	14	17.4
1921	24	13.8
1922	14	13.8
1923	9	13.8
1924	11	13.8
1925	17	13.8
1926	16	13.8
1927	6	13.8
1928	10	13.8
1929	17	13.8
1930	17	30.6
1931	40	30.6
1932	21	30.6
1933	30	30.6
1934	30	30.6
1935	33	30.6
1936	53	30.6
1937	35	30.6
1938	20	30.6
1939	27	30.6
1940	32	23.3
1941	16	23.3
1942	23	23.3
1943	30	23.3
1944	12	23.3
1945	18	23.3
1946	15	23.3
1947	31	23.3
1948	27	23.3
1949	29	23.3
1950	13	19.6
1951	15	19.6
1952	23	19.6
1953	16	19.6
1954	22	19.6
1955	26	19.6
1956	14	19.6
1957	17	19.6
1958	18	19.6
1959	32	19.6
1960	29	16.4
1961	22	16.4
1962	9	16.4
1963	18	16.4
1964	29	16.4
1965	9	16.4
1966	18	16.4
1967	3	16.4
1968	4	16.4
1969	23	16.4
1970	18	16.3
1971	16	16.3
1972	7	16.3
1973	22	16.3
1974	18	16.3
1975	18	16.3
1976	18	16.3
1977	10	16.3
1978	20	16.3
1979	16	16.3
1980	26	18.9
1981	16	18.9
1982	11	18.9
1983	36	18.9
1984	13	18.9
1985	17	18.9
1986	10	18.9
1987	14	18.9
1988	34	18.9
1989	12	18.9
1990	15	10.5
1991	15	10.5
1992	2	10.5
1993	2	10.5
1994	13	10.5
1995	17	10.5
1996	8	10.5
1997	7	10.5
1998	10	10.5
1999	16	10.5
2000	21	18.3
2001	18	18.3
2002	22	18.3
2003	23	18.3
2004	9	18.3
2005	21	18.3
2006	22	18.3
2007	23	18.3
2009	6	18.3
2010	15	23.8
2011	21	23.8
2012	29	23.8
2013	9	23.8
2014	35	23.8
2015	31	23.8
2016	35	23.8
2017	29	23.8
2018	26	23.8
2019	8	23.8
2020	25	26.1
2021	34	26.1
2022	32	26.1
2023	16	26.1
2024	29	26.1
2025	14	26.1
2026	33	26.1

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

First to last qualifying date each year at Lead
Year	First date	Last date
1910	1910-06-19	1910-09-16
1911	1911-06-21	1911-08-20
1912	1912-06-24	1912-07-13
1913	1913-05-27	1913-09-06
1914	1914-06-18	1914-09-19
1916	1916-07-02	1916-09-08
1917	1917-06-24	1917-08-21
1918	1918-06-10	1918-08-03
1921	1921-06-11	1921-08-31
1922	1922-06-21	1922-09-22
1923	1923-06-24	1923-07-31
1924	1924-06-14	1924-08-30
1925	1925-05-21	1925-09-01
1926	1926-06-27	1926-08-31
1927	1927-06-23	1927-07-10
1928	1928-07-15	1928-09-07
1929	1929-07-16	1929-09-02
1930	1930-07-06	1930-08-26
1931	1931-05-25	1931-09-10
1932	1932-06-23	1932-08-21
1933	1933-05-31	1933-09-07
1934	1934-05-27	1934-09-13
1935	1935-06-29	1935-09-14
1936	1936-05-15	1936-08-25
1937	1937-05-28	1937-08-31
1938	1938-06-21	1938-09-24
1939	1939-05-30	1939-08-26
1940	1940-06-13	1940-09-03
1941	1941-06-18	1941-08-10
1942	1942-07-07	1942-09-10
1943	1943-06-22	1943-08-31
1944	1944-07-01	1944-08-19
1945	1945-07-17	1945-09-09
1946	1946-06-23	1946-08-22
1947	1947-07-02	1947-10-05
1948	1948-05-17	1948-09-15
1949	1949-07-01	1949-08-25
1950	1950-06-06	1950-09-06
1951	1951-07-14	1951-08-06
1952	1952-06-06	1952-09-10
1953	1953-06-10	1953-08-31
1954	1954-06-23	1954-08-31
1955	1955-06-29	1955-09-14
1956	1956-06-01	1956-09-20
1957	1957-07-01	1957-08-24
1958	1958-06-27	1958-09-22
1959	1959-06-06	1959-09-14
1960	1960-06-25	1960-09-05
1961	1961-06-18	1961-08-29
1962	1962-06-27	1962-08-27
1963	1963-07-08	1963-09-13
1964	1964-05-20	1964-08-19
1965	1965-07-15	1965-08-28
1966	1966-06-28	1966-08-26
1967	1967-07-29	1967-08-27
1968	1968-06-19	1968-08-07
1969	1969-05-27	1969-09-03
1970	1970-06-26	1970-08-26
1971	1971-06-25	1971-09-03
1972	1972-07-09	1972-08-14
1973	1973-06-23	1973-08-30
1974	1974-06-18	1974-08-20
1975	1975-06-24	1975-08-31
1976	1976-07-07	1976-09-06
1977	1977-06-25	1977-08-24
1978	1978-05-15	1978-09-10
1979	1979-06-12	1979-09-09
1980	1980-06-23	1980-09-07
1981	1981-06-26	1981-09-12
1982	1982-07-16	1982-09-10
1983	1983-06-21	1983-09-08
1984	1984-06-29	1984-09-05
1985	1985-06-07	1985-09-16
1986	1986-06-17	1986-08-19
1987	1987-06-16	1987-09-02
1988	1988-06-06	1988-08-21
1989	1989-06-19	1989-09-02
1990	1990-06-26	1990-09-12
1991	1991-07-14	1991-09-02
1992	1992-08-07	1992-08-08
1993	1993-07-29	1993-07-30
1994	1994-06-26	1994-09-09
1995	1995-06-15	1995-09-04
1996	1996-07-03	1996-09-04
1997	1997-06-22	1997-08-31
1998	1998-07-16	1998-09-10
1999	1999-06-21	1999-08-30
2000	2000-06-06	2000-09-17
2001	2001-06-23	2001-09-28
2002	2002-06-27	2002-09-06
2003	2003-07-13	2003-08-27
2004	2004-06-06	2004-09-18
2005	2005-06-18	2005-09-08
2006	2006-06-14	2006-08-30
2007	2007-06-23	2007-09-03
2009	2009-05-19	2009-09-06
2010	2010-05-28	2010-08-27
2011	2011-06-29	2011-08-31
2012	2012-06-04	2012-09-10
2013	2013-07-11	2013-09-17
2014	2014-05-28	2014-09-24
2015	2015-06-01	2015-09-26
2016	2016-06-07	2016-09-02
2017	2017-06-09	2017-09-14
2018	2018-05-26	2018-09-16
2019	2019-06-29	2019-09-17
2020	2020-05-20	2020-09-25
2021	2021-06-05	2021-09-29
2022	2022-06-19	2022-09-09
2023	2023-06-20	2023-09-04
2024	2024-06-16	2024-09-30
2025	2025-06-11	2025-09-12
2026	2026-06-07	2026-09-07

Every Fixed Threshold

Fixed thresholds at Lead
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	113	53	1936	33
35 C (95 F): Days	49	13	1936	5
90 F (32.2 C): Days	106	35	1936	21
100 F (37.8 C): Days	4	3	1936	1
0 C (32 F): Ice days (max	114	72	1955	18
0 C (32 F): Frost days (min	116	192	1970	89
-10 C (14 F): Days with min	116	78	1955	18
-20 C (-4 F): Days with min	116	35	1916	6
-30 C (-22 F): Days with min	41	7	1916	4
-40 C (-40 F): Days with min	1	1	1936	1
20 C (68 F): Tropical nights (min	96	15	1936	10
25 C (77 F): Days with min	2	1	1917	1
10 mm (0.39 in): Days with 10 mm or more rain	113	36	1962	11
25 mm (0.98 in): Days with 25 mm or more rain	106	11	1946	2
50 mm (1.97 in): Days with 50 mm or more rain	55	6	2013	2
100 mm (3.94 in): Days with 100 mm or more rain	11	1	1922	1
10 cm (3.9 in): Days with 10 cm or more snowfall	87	24	1996	3
25 cm (9.8 in): Days with 25 cm or more snowfall	72	9	1996	1
50 cm (19.7 in): Days with 50 cm or more snowfall	29	4	1998	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1910.

Download the Data

Data for Lead 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).

Lead Threshold Days by Year (USC00394834)

Key Facts for Lead Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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