Beaufort Threshold Days by Year (USC00310626)

16 fixed thresholds counted per year at Beaufort (USC00310626): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Beaufort Thresholds

Beaufort: days with 10 mm (0.39 in) or more of precipitation in 45 years, most in 1937 with 61.
Beaufort: days with 25 mm (0.98 in) or more of precipitation in 45 years, most in 1908 with 27.
Beaufort: nights with a minimum temperature at or below 0 C (32 F) in 43 years, most in 1940 with 32.
Beaufort: nights with a minimum temperature at or above 20 C (68 F) in 43 years, most in 1939 with 135.
16 fixed thresholds have at least one qualifying day at Beaufort.

Days at or above 30 C (86 F)

42 years with a qualifying day

Days per year at Beaufort with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 98 in 1925.

Days at or above 30 C (86 F) per year at Beaufort
Year	Days	Decade average
1897	48	55.5
1898	63	55.5
1906	57	51.5
1907	49	51.5
1908	52	51.5
1909	48	51.5
1910	27	47.7
1911	72	47.7
1912	56	47.7
1913	39	47.7
1914	58	47.7
1915	44	47.7
1916	37	47.7
1918	33	47.7
1919	63	47.7
1920	34	59.5
1921	53	59.5
1922	43	59.5
1923	48	59.5
1924	38	59.5
1925	98	59.5
1926	93	59.5
1927	66	59.5
1928	69	59.5
1929	53	59.5
1930	67	76.9
1931	72	76.9
1932	83	76.9
1933	92	76.9
1934	81	76.9
1935	64	76.9
1936	79	76.9
1937	77	76.9
1938	77	76.9
1939	77	76.9
1940	68	69.6
1941	87	69.6
1942	78	69.6
1943	74	69.6
1944	93	69.6
1945	59	69.6
1946	28	69.6

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

First to last qualifying date each year at Beaufort
Year	First date	Last date
1897	1897-06-13	1897-09-14
1898	1898-05-03	1898-09-28
1906	1906-06-07	1906-09-21
1907	1907-06-22	1907-09-25
1908	1908-06-01	1908-09-28
1909	1909-05-17	1909-09-24
1910	1910-06-18	1910-10-07
1911	1911-05-25	1911-09-25
1912	1912-05-09	1912-09-28
1913	1913-05-02	1913-09-08
1914	1914-05-06	1914-09-08
1915	1915-06-16	1915-10-04
1916	1916-06-25	1916-08-28
1918	1918-06-06	1918-09-20
1919	1919-06-05	1919-10-22
1920	1920-06-13	1920-10-13
1921	1921-05-26	1921-09-29
1922	1922-05-12	1922-09-16
1923	1923-04-23	1923-09-22
1924	1924-06-02	1924-10-26
1925	1925-05-30	1925-10-07
1926	1926-05-17	1926-10-04
1927	1927-06-05	1927-10-30
1928	1928-06-11	1928-10-17
1929	1929-05-25	1929-09-29
1930	1930-05-10	1930-09-27
1931	1931-06-24	1931-10-15
1932	1932-06-07	1932-09-24
1933	1933-05-21	1933-10-22
1934	1934-06-16	1934-10-06
1935	1935-06-08	1935-10-15
1936	1936-05-09	1936-09-28
1937	1937-06-02	1937-10-06
1938	1938-05-07	1938-09-20
1939	1939-05-27	1939-10-12
1940	1940-05-23	1940-09-25
1941	1941-06-02	1941-10-19
1942	1942-06-02	1942-09-27
1943	1943-05-27	1943-10-17
1944	1944-05-14	1944-09-23
1945	1945-04-24	1945-10-02
1946	1946-06-20	1946-09-28

Every Fixed Threshold

Fixed thresholds at Beaufort
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	42	98	1925	28
35 C (95 F): Days	18	7	1944	7
90 F (32.2 C): Days	41	43	1932	4
100 F (37.8 C): Days	1	2	1944	2
0 C (32 F): Ice days (max	11	11	1918	1
0 C (32 F): Frost days (min	43	32	1940	10
-10 C (14 F): Days with min	8	2	1918	1
20 C (68 F): Tropical nights (min	43	135	1939	91
25 C (77 F): Days with min	43	37	1934	7
10 mm (0.39 in): Days with 10 mm or more rain	45	61	1937	51
25 mm (0.98 in): Days with 25 mm or more rain	45	27	1908	20
50 mm (1.97 in): Days with 50 mm or more rain	43	13	1946	6
100 mm (3.94 in): Days with 100 mm or more rain	15	2	1897	2
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1924	1
10 cm (3.9 in): Days with 10 cm or more snowfall	4	2	1936	2
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1907	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 Beaufort 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).

Beaufort Threshold Days by Year (USC00310626)

Key Facts for Beaufort Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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