Hatteras Threshold Days by Year (USW00013745)

15 fixed thresholds counted per year at Hatteras (USW00013745): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Hatteras Thresholds

Hatteras: days with 10 mm (0.39 in) or more of precipitation in 60 years, most in 2002 with 54.
Hatteras: days with 25 mm (0.98 in) or more of precipitation in 60 years, most in 1895 with 25.
Hatteras: days with a maximum temperature at or above 30 C (86 F) in 57 years, most in 2002 with 100.
Hatteras: nights with a minimum temperature at or below 0 C (32 F) in 57 years, most in 1977 with 43.
15 fixed thresholds have at least one qualifying day at Hatteras.

Days at or above 30 C (86 F)

57 years with a qualifying day

Days per year at Hatteras with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 100 in 2002.

Days at or above 30 C (86 F) per year at Hatteras
Year	Days	Decade average
1893	8	10.8
1895	12	10.8
1896	20	10.8
1897	5	10.8
1898	6	10.8
1899	14	10.8
1900	25	20.4
1901	12	20.4
1903	33	20.4
1904	12	20.4
1905	19	20.4
1906	21	20.4
1907	21	20.4
1948	20	19.5
1949	19	19.5
1950	15	30.8
1951	23	30.8
1952	42	30.8
1953	25	30.8
1954	31	30.8
1955	25	30.8
1956	6	30.8
1957	46	30.8
1958	41	30.8
1959	54	30.8
1960	39	33.6
1961	45	33.6
1962	33	33.6
1963	38	33.6
1964	19	33.6
1965	30	33.6
1966	41	33.6
1967	13	33.6
1968	35	33.6
1969	43	33.6
1970	41	41.5
1971	44	41.5
1972	31	41.5
1973	37	41.5
1974	35	41.5
1975	55	41.5
1976	29	41.5
1977	40	41.5
1978	61	41.5
1979	42	41.5
1980	57	52.8
1981	52	52.8
1982	47	52.8
1983	55	52.8
1984	35	52.8
1985	55	52.8
1986	56	52.8
1987	65	52.8
1995	30	32.5
1999	35	32.5
2001	27	63.5
2002	100	63.5

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

First to last qualifying date each year at Hatteras
Year	First date	Last date
1893	1893-06-20	1893-07-29
1895	1895-05-31	1895-09-23
1896	1896-05-11	1896-08-16
1897	1897-07-01	1897-08-01
1898	1898-07-21	1898-09-01
1899	1899-05-18	1899-09-08
1900	1900-07-05	1900-09-23
1901	1901-06-25	1901-09-16
1903	1903-06-30	1903-09-01
1904	1904-06-04	1904-09-03
1905	1905-06-23	1905-09-20
1906	1906-05-19	1906-09-23
1907	1907-07-08	1907-09-21
1948	1948-06-22	1948-08-29
1949	1949-06-26	1949-08-23
1950	1950-06-25	1950-09-09
1951	1951-07-13	1951-09-03
1952	1952-06-11	1952-09-14
1953	1953-05-26	1953-09-06
1954	1954-06-23	1954-10-05
1955	1955-07-12	1955-08-22
1956	1956-07-22	1956-09-04
1957	1957-06-13	1957-09-17
1958	1958-06-14	1958-08-25
1959	1959-06-24	1959-09-28
1960	1960-07-03	1960-09-20
1961	1961-06-13	1961-09-13
1962	1962-05-20	1962-09-05
1963	1963-06-29	1963-09-04
1964	1964-06-09	1964-09-12
1965	1965-07-08	1965-09-20
1966	1966-06-24	1966-09-06
1967	1967-07-03	1967-08-28
1968	1968-07-01	1968-09-05
1969	1969-06-07	1969-09-07
1970	1970-06-03	1970-09-25
1971	1971-06-14	1971-09-20
1972	1972-07-15	1972-09-14
1973	1973-06-17	1973-10-05
1974	1974-06-11	1974-09-14
1975	1975-05-25	1975-09-26
1976	1976-04-24	1976-08-29
1977	1977-06-19	1977-09-26
1978	1978-06-09	1978-09-22
1979	1979-07-11	1979-09-03
1980	1980-06-28	1980-09-26
1981	1981-06-06	1981-09-06
1982	1982-05-29	1982-09-12
1983	1983-06-13	1983-09-13
1984	1984-06-16	1984-09-15
1985	1985-04-23	1985-10-03
1986	1986-06-13	1986-10-05
1987	1987-06-18	1987-09-20
1995	1995-06-11	1995-08-26
1999	1999-05-30	1999-08-28
2001	2001-06-27	2001-09-11
2002	2002-05-12	2002-10-11

Every Fixed Threshold

Fixed thresholds at Hatteras
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	57	100	2002	100
35 C (95 F): Days	3	3	1952	2
90 F (32.2 C): Days	43	34	2002	34
0 C (32 F): Ice days (max	23	7	1893	1
0 C (32 F): Frost days (min	57	43	1977	1
-10 C (14 F): Days with min	7	2	1895	1
20 C (68 F): Tropical nights (min	57	158	2002	158
25 C (77 F): Days with min	57	86	2002	86
10 mm (0.39 in): Days with 10 mm or more rain	60	54	2002	54
25 mm (0.98 in): Days with 25 mm or more rain	60	25	1895	20
50 mm (1.97 in): Days with 50 mm or more rain	57	11	1962	4
100 mm (3.94 in): Days with 100 mm or more rain	29	3	1952	2
200 mm (7.87 in): Days with 200 mm or more rain	1	1	1949	1
10 cm (3.9 in): Days with 10 cm or more snowfall	4	1	1951	1
25 cm (9.8 in): Days with 25 cm or more snowfall	1	1	1980	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1893.

Download the Data

Data for Hatteras 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).

Hatteras Threshold Days by Year (USW00013745)

Key Facts for Hatteras Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

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