Fallston Threshold Days by Year (USC00183050)

16 fixed thresholds counted per year at Fallston (USC00183050): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fallston Thresholds

Fallston: days with a maximum temperature at or above 30 C (86 F) in 54 years, most in 1900 with 71.
Fallston: days with a maximum temperature at or above 90 F (32.2 C) in 54 years, most in 1930 with 40.
Fallston: days with a maximum temperature at or below 0 C (32 F) in 54 years, most in 1904 with 44.
Fallston: nights with a minimum temperature at or below 0 C (32 F) in 54 years, most in 1904 with 141.
16 fixed thresholds have at least one qualifying day at Fallston.

Days at or above 30 C (86 F)

54 years with a qualifying day

Days per year at Fallston with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 71 in 1900.

Days at or above 30 C (86 F) per year at Fallston
Year	Days	Decade average
1898	31	26
1899	21	26
1900	71	34.8
1901	43	34.8
1902	39	34.8
1903	25	34.8
1904	21	34.8
1905	27	34.8
1906	34	34.8
1907	18	34.8
1908	35	34.8
1909	35	34.8
1910	32	30
1911	44	30
1912	28	30
1913	33	30
1914	38	30
1916	29	30
1917	17	30
1918	29	30
1919	20	30
1920	12	25.7
1921	38	25.7
1922	23	25.7
1923	21	25.7
1924	17	25.7
1925	26	25.7
1926	18	25.7
1927	18	25.7
1928	36	25.7
1929	48	25.7
1930	69	50.7
1931	56	50.7
1932	56	50.7
1933	55	50.7
1934	46	50.7
1935	35	50.7
1936	49	50.7
1937	45	50.7
1938	48	50.7
1939	48	50.7
1940	27	37.9
1941	59	37.9
1942	30	37.9
1943	63	37.9
1944	51	37.9
1945	35	37.9
1946	18	37.9
1947	32	37.9
1948	30	37.9
1949	34	37.9
1950	14	30.7
1951	35	30.7
1952	43	30.7

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

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

Every Fixed Threshold

Fixed thresholds at Fallston
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	54	71	1900	43
35 C (95 F): Days	39	19	1900	5
40 C (104 F): Days	2	2	1930	1
90 F (32.2 C): Days	54	40	1930	23
100 F (37.8 C): Days	6	7	1900	2
0 C (32 F): Ice days (max	54	44	1904	2
0 C (32 F): Frost days (min	54	141	1904	110
-10 C (14 F): Days with min	54	31	1904	6
-20 C (-4 F): Days with min	10	3	1899	1
20 C (68 F): Tropical nights (min	54	44	1900	23
25 C (77 F): Days with min	5	3	1930	1
10 mm (0.39 in): Days with 10 mm or more rain	53	54	1948	44
25 mm (0.98 in): Days with 25 mm or more rain	53	20	1952	20
50 mm (1.97 in): Days with 50 mm or more rain	48	6	1937	6
100 mm (3.94 in): Days with 100 mm or more rain	5	1	1902	1
10 cm (3.9 in): Days with 10 cm or more snowfall	6	3	1945	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.

Download the Data

Data for Fallston 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).

Fallston Threshold Days by Year (USC00183050)

Key Facts for Fallston Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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