Cedar Hill 1 Threshold Days by Year (USC00401553)

17 fixed thresholds counted per year at Cedar Hill 1 (USC00401553): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Cedar Hill 1 Thresholds

Cedar Hill 1: days with 10 mm (0.39 in) or more of precipitation in 44 years, most in 1927 with 59.
Cedar Hill 1: days with 25 mm (0.98 in) or more of precipitation in 44 years, most in 1921 with 26.
Cedar Hill 1: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1912 with 104.
Cedar Hill 1: nights with a minimum temperature at or above 20 C (68 F) in 43 years, most in 1941 with 84.
17 fixed thresholds have at least one qualifying day at Cedar Hill 1.

Days at or above 30 C (86 F)

42 years with a qualifying day

Days per year at Cedar Hill 1 with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 131 in 1911.

Days at or above 30 C (86 F) per year at Cedar Hill 1
Year	Days	Decade average
1899	101	101
1900	92	88.5
1904	85	88.5
1905	89	88.5
1907	88	88.5
1908	98	88.5
1909	79	88.5
1911	131	105.4
1912	103	105.4
1913	118	105.4
1914	115	105.4
1915	100	105.4
1916	95	105.4
1917	80	105.4
1918	94	105.4
1919	113	105.4
1920	101	99.7
1921	123	99.7
1922	108	99.7
1924	86	99.7
1925	119	99.7
1926	105	99.7
1927	94	99.7
1928	81	99.7
1929	80	99.7
1930	106	103.2
1931	118	103.2
1932	104	103.2
1933	109	103.2
1934	110	103.2
1935	87	103.2
1936	116	103.2
1937	99	103.2
1938	76	103.2
1939	107	103.2
1940	92	95.4
1941	123	95.4
1942	94	95.4
1943	99	95.4
1944	100	95.4
1945	82	95.4
1946	78	95.4

For each year, a bar from the first to the last day at Cedar Hill 1 meeting 30 C (86 F).

First to last qualifying date each year at Cedar Hill 1
Year	First date	Last date
1899	1899-04-28	1899-10-15
1900	1900-05-12	1900-10-05
1904	1904-05-12	1904-10-10
1905	1905-05-02	1905-10-06
1907	1907-03-22	1907-10-03
1908	1908-03-18	1908-10-20
1909	1909-04-17	1909-09-20
1911	1911-05-09	1911-10-15
1912	1912-04-14	1912-10-11
1913	1913-04-18	1913-10-10
1914	1914-04-17	1914-10-07
1915	1915-04-07	1915-10-17
1916	1916-05-06	1916-10-07
1917	1917-04-17	1917-10-17
1918	1918-05-04	1918-10-06
1919	1919-04-14	1919-10-26
1920	1920-05-22	1920-10-23
1921	1921-04-25	1921-10-19
1922	1922-05-08	1922-10-05
1924	1924-04-15	1924-10-05
1925	1925-04-18	1925-10-04
1926	1926-05-01	1926-10-04
1927	1927-04-17	1927-10-30
1928	1928-05-03	1928-09-29
1929	1929-03-24	1929-09-29
1930	1930-04-10	1930-09-29
1931	1931-04-14	1931-10-13
1932	1932-05-04	1932-09-18
1933	1933-05-19	1933-09-30
1934	1934-04-03	1934-10-24
1935	1935-04-25	1935-10-16
1936	1936-04-14	1936-09-28
1937	1937-04-17	1937-10-30
1938	1938-04-26	1938-10-18
1939	1939-05-18	1939-10-23
1940	1940-04-01	1940-10-28
1941	1941-04-12	1941-10-22
1942	1942-04-25	1942-10-03
1943	1943-04-26	1943-10-20
1944	1944-05-11	1944-10-04
1945	1945-05-20	1945-10-19
1946	1946-04-02	1946-10-31

Every Fixed Threshold

Fixed thresholds at Cedar Hill 1
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	42	131	1911	78
35 C (95 F): Days	42	71	1913	9
40 C (104 F): Days	15	17	1930	1
90 F (32.2 C): Days	42	107	1913	46
100 F (37.8 C): Days	32	34	1913	7
110 F (43.3 C): Days	3	4	1930	1
0 C (32 F): Ice days (max	41	21	1899	4
0 C (32 F): Frost days (min	43	104	1912	56
-10 C (14 F): Days with min	40	25	1917	3
-20 C (-4 F): Days with min	13	6	1899	3
-30 C (-22 F): Days with min	1	1	1899	1
20 C (68 F): Tropical nights (min	43	84	1941	37
25 C (77 F): Days with min	19	7	1930	4
10 mm (0.39 in): Days with 10 mm or more rain	44	59	1927	41
25 mm (0.98 in): Days with 25 mm or more rain	44	26	1921	12
50 mm (1.97 in): Days with 50 mm or more rain	43	12	1919	3
100 mm (3.94 in): Days with 100 mm or more rain	9	2	1913	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.

Download the Data

Data for Cedar Hill 1 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).

Cedar Hill 1 Threshold Days by Year (USC00401553)

Key Facts for Cedar Hill 1 Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related