Birch Tree Threshold Days by Year (USC00230668)

19 fixed thresholds counted per year at Birch Tree (USC00230668): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Birch Tree Thresholds

Birch Tree: days with a maximum temperature at or above 30 C (86 F) in 65 years, most in 1953 with 116.
Birch Tree: days with a maximum temperature at or above 90 F (32.2 C) in 65 years, most in 1954 with 90.
Birch Tree: days with a maximum temperature at or below 0 C (32 F) in 65 years, most in 1899 with 27.
Birch Tree: nights with a minimum temperature at or below 0 C (32 F) in 65 years, most in 1898 with 128.
19 fixed thresholds have at least one qualifying day at Birch Tree.

Days at or above 30 C (86 F)

65 years with a qualifying day

Days per year at Birch Tree with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 116 in 1953.

Days at or above 30 C (86 F) per year at Birch Tree
Year	Days	Decade average
1894	72	72.7
1895	62	72.7
1896	72	72.7
1897	83	72.7
1898	61	72.7
1899	86	72.7
1900	74	64.5
1901	106	64.5
1902	62	64.5
1903	40	64.5
1904	31	64.5
1907	64	64.5
1908	67	64.5
1909	72	64.5
1910	47	64.1
1911	76	64.1
1912	57	64.1
1915	47	64.1
1916	76	64.1
1917	50	64.1
1918	76	64.1
1919	84	64.1
1920	47	69.2
1921	95	69.2
1922	80	69.2
1924	42	69.2
1925	96	69.2
1926	83	69.2
1927	52	69.2
1928	65	69.2
1929	63	69.2
1930	79	88.5
1931	87	88.5
1932	85	88.5
1933	83	88.5
1934	85	88.5
1935	76	88.5
1936	113	88.5
1937	92	88.5
1938	86	88.5
1939	99	88.5
1940	69	74.2
1941	85	74.2
1942	69	74.2
1943	83	74.2
1944	85	74.2
1945	53	74.2
1947	85	74.2
1948	76	74.2
1949	63	74.2
1950	64	90.9
1952	108	90.9
1953	116	90.9
1954	103	90.9
1955	97	90.9
1956	80	90.9
1958	76	90.9
1959	83	90.9
1961	77	92
1962	108	92
1963	111	92
1964	92	92
1965	91	92
1966	82	92
1967	83	92

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

First to last qualifying date each year at Birch Tree
Year	First date	Last date
1894	1894-04-28	1894-09-22
1895	1895-03-28	1895-09-20
1896	1896-04-24	1896-09-18
1897	1897-06-11	1897-10-15
1898	1898-05-29	1898-09-27
1899	1899-04-12	1899-10-14
1900	1900-05-26	1900-09-26
1901	1901-04-29	1901-10-28
1902	1902-05-11	1902-09-03
1903	1903-06-20	1903-09-11
1904	1904-05-24	1904-09-29
1907	1907-03-19	1907-10-02
1908	1908-05-19	1908-09-19
1909	1909-05-05	1909-10-05
1910	1910-03-23	1910-10-01
1911	1911-03-09	1911-10-06
1912	1912-05-09	1912-09-15
1915	1915-04-17	1915-10-03
1916	1916-05-05	1916-10-07
1917	1917-06-12	1917-10-15
1918	1918-04-02	1918-10-06
1919	1919-04-22	1919-10-03
1920	1920-06-10	1920-09-26
1921	1921-04-24	1921-09-29
1922	1922-05-27	1922-10-27
1924	1924-05-05	1924-09-21
1925	1925-04-24	1925-10-03
1926	1926-05-24	1926-10-02
1927	1927-04-27	1927-10-28
1928	1928-05-04	1928-10-13
1929	1929-03-23	1929-09-29
1930	1930-04-10	1930-09-14
1931	1931-05-16	1931-10-10
1932	1932-04-21	1932-09-22
1933	1933-05-09	1933-09-24
1934	1934-05-07	1934-09-20
1935	1935-05-12	1935-09-24
1936	1936-04-14	1936-09-22
1937	1937-04-17	1937-10-30
1938	1938-05-31	1938-10-17
1939	1939-05-10	1939-10-23
1940	1940-04-01	1940-10-25
1941	1941-05-20	1941-10-11
1942	1942-05-27	1942-09-18
1943	1943-05-02	1943-09-15
1944	1944-05-13	1944-10-24
1945	1945-06-16	1945-09-23
1947	1947-05-14	1947-10-22
1948	1948-05-21	1948-09-22
1949	1949-05-05	1949-10-11
1950	1950-05-16	1950-10-29
1952	1952-04-29	1952-10-02
1953	1953-05-22	1953-10-22
1954	1954-04-20	1954-10-05
1955	1955-04-15	1955-09-29
1956	1956-05-06	1956-10-17
1958	1958-05-12	1958-09-26
1959	1959-04-07	1959-10-04
1961	1961-04-24	1961-10-12
1962	1962-05-05	1962-10-11
1963	1963-04-21	1963-10-26
1964	1964-05-17	1964-09-20
1965	1965-04-11	1965-10-18
1966	1966-05-05	1966-09-30
1967	1967-03-12	1967-10-08

Every Fixed Threshold

Fixed thresholds at Birch Tree
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	65	116	1953	83
35 C (95 F): Days	60	61	1936	5
40 C (104 F): Days	14	15	1934	7
90 F (32.2 C): Days	65	90	1954	45
100 F (37.8 C): Days	39	30	1934	13
110 F (43.3 C): Days	2	2	1934	1
0 C (32 F): Ice days (max	65	27	1899	6
0 C (32 F): Frost days (min	65	128	1898	106
-10 C (14 F): Days with min	65	39	1963	24
-20 C (-4 F): Days with min	35	8	1899	2
-30 C (-22 F): Days with min	2	2	1899	1
20 C (68 F): Tropical nights (min	65	66	1936	14
25 C (77 F): Days with min	12	3	1943	1
10 mm (0.39 in): Days with 10 mm or more rain	65	61	1927	35
25 mm (0.98 in): Days with 25 mm or more rain	65	25	1927	8
50 mm (1.97 in): Days with 50 mm or more rain	60	7	1945	2
100 mm (3.94 in): Days with 100 mm or more rain	7	2	1895	1
10 cm (3.9 in): Days with 10 cm or more snowfall	25	4	1926	2
25 cm (9.8 in): Days with 25 cm or more snowfall	2	2	1926	2

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1894.

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Data for Birch Tree 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).

Birch Tree Threshold Days by Year (USC00230668)

Key Facts for Birch Tree Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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