Sycamore Threshold Days by Year (USC00118452)

18 fixed thresholds counted per year at Sycamore (USC00118452): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sycamore Thresholds

Sycamore: days with 10 mm (0.39 in) or more of precipitation in 71 years, most in 1902 with 41.
Sycamore: days with 25 mm (0.98 in) or more of precipitation in 71 years, most in 1902 with 16.
Sycamore: days with a maximum temperature at or above 30 C (86 F) in 68 years, most in 1911 with 74.
Sycamore: days with a maximum temperature at or below 0 C (32 F) in 68 years, most in 1904 with 73.
18 fixed thresholds have at least one qualifying day at Sycamore.

Days at or above 30 C (86 F)

68 years with a qualifying day

Days per year at Sycamore with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 74 in 1911.

Days at or above 30 C (86 F) per year at Sycamore
Year	Days	Decade average
1897	47	41.3
1898	31	41.3
1899	46	41.3
1900	37	48.5
1901	60	48.5
1902	36	48.5
1903	32	48.5
1904	35	48.5
1905	49	48.5
1906	69	48.5
1907	46	48.5
1908	68	48.5
1909	53	48.5
1910	68	51.5
1911	74	51.5
1912	56	51.5
1913	66	51.5
1914	60	51.5
1915	7	51.5
1916	56	51.5
1917	29	51.5
1918	36	51.5
1919	63	51.5
1920	59	43.6
1921	73	43.6
1922	49	43.6
1923	45	43.6
1924	20	43.6
1925	59	43.6
1926	29	43.6
1927	36	43.6
1928	35	43.6
1929	31	43.6
1930	53	56.7
1931	54	56.7
1932	48	56.7
1933	65	56.7
1934	73	56.7
1935	53	56.7
1936	70	56.7
1937	61	56.7
1938	37	56.7
1939	53	56.7
1940	45	49.8
1941	55	49.8
1942	47	49.8
1943	50	49.8
1944	65	49.8
1945	31	49.8
1946	50	49.8
1947	51	49.8
1948	49	49.8
1949	55	49.8
1950	32	47.4
1951	25	47.4
1952	53	47.4
1953	69	47.4
1954	54	47.4
1955	66	47.4
1956	47	47.4
1957	43	47.4
1958	24	47.4
1959	61	47.4
1960	32	44.6
1961	50	44.6
1962	48	44.6
1963	48	44.6
1964	45	44.6

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

First to last qualifying date each year at Sycamore
Year	First date	Last date
1897	1897-06-12	1897-10-15
1898	1898-06-03	1898-09-04
1899	1899-04-29	1899-10-15
1900	1900-05-13	1900-09-25
1901	1901-04-29	1901-09-07
1902	1902-04-21	1902-08-30
1903	1903-05-12	1903-09-15
1904	1904-04-23	1904-09-29
1905	1905-05-04	1905-10-09
1906	1906-05-15	1906-09-20
1907	1907-06-16	1907-09-20
1908	1908-05-17	1908-09-27
1909	1909-05-06	1909-09-21
1910	1910-04-30	1910-10-17
1911	1911-05-10	1911-09-17
1912	1912-05-04	1912-09-11
1913	1913-05-02	1913-09-08
1914	1914-04-19	1914-09-22
1915	1915-04-27	1915-09-13
1916	1916-05-26	1916-10-08
1917	1917-05-18	1917-09-16
1918	1918-05-05	1918-08-28
1919	1919-05-27	1919-09-20
1920	1920-05-31	1920-10-11
1921	1921-05-19	1921-09-20
1922	1922-05-10	1922-10-05
1923	1923-06-01	1923-09-05
1924	1924-05-05	1924-09-21
1925	1925-05-22	1925-09-19
1926	1926-04-30	1926-10-03
1927	1927-06-19	1927-09-17
1928	1928-05-03	1928-09-10
1929	1929-05-29	1929-09-04
1930	1930-04-10	1930-09-23
1931	1931-05-16	1931-09-21
1932	1932-05-14	1932-09-19
1933	1933-06-03	1933-09-25
1934	1934-05-03	1934-09-25
1935	1935-06-13	1935-09-24
1936	1936-05-06	1936-09-22
1937	1937-05-29	1937-10-01
1938	1938-05-03	1938-10-10
1939	1939-05-05	1939-10-07
1940	1940-05-13	1940-09-21
1941	1941-05-15	1941-09-24
1942	1942-04-29	1942-09-18
1943	1943-05-05	1943-08-31
1944	1944-05-15	1944-09-03
1945	1945-06-23	1945-09-08
1946	1946-06-07	1946-10-05
1947	1947-06-09	1947-10-15
1948	1948-05-27	1948-09-19
1949	1949-05-03	1949-08-27
1950	1950-05-24	1950-10-17
1951	1951-05-01	1951-10-04
1952	1952-04-28	1952-09-28
1953	1953-05-09	1953-10-21
1954	1954-06-08	1954-10-03
1955	1955-05-03	1955-09-19
1956	1956-05-11	1956-09-25
1957	1957-05-01	1957-09-01
1958	1958-05-14	1958-09-24
1959	1959-05-02	1959-09-22
1960	1960-06-04	1960-09-08
1961	1961-05-13	1961-09-11
1962	1962-04-26	1962-10-15
1963	1963-05-08	1963-10-06
1964	1964-05-18	1964-09-10

Every Fixed Threshold

Fixed thresholds at Sycamore
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	68	74	1911	45
35 C (95 F): Days	58	28	1934	4
40 C (104 F): Days	8	7	1936	1
90 F (32.2 C): Days	67	55	1934	31
100 F (37.8 C): Days	21	12	1934	1
0 C (32 F): Ice days (max	68	73	1904	50
0 C (32 F): Frost days (min	68	177	1907	150
-10 C (14 F): Days with min	68	69	1904	48
-20 C (-4 F): Days with min	65	33	1963	1
-30 C (-22 F): Days with min	13	3	1924	1
20 C (68 F): Tropical nights (min	67	29	1900	14
25 C (77 F): Days with min	9	1	1897	1
10 mm (0.39 in): Days with 10 mm or more rain	71	41	1902	33
25 mm (0.98 in): Days with 25 mm or more rain	71	16	1902	9
50 mm (1.97 in): Days with 50 mm or more rain	60	4	1902	2
100 mm (3.94 in): Days with 100 mm or more rain	3	1	1900	1
10 cm (3.9 in): Days with 10 cm or more snowfall	48	7	1951	3
25 cm (9.8 in): Days with 25 cm or more snowfall	7	1	1909	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1897.

Download the Data

Data for Sycamore 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).

Sycamore Threshold Days by Year (USC00118452)

Key Facts for Sycamore Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related