Walterboro 1 SW Threshold Days by Year (USC00388922)

15 fixed thresholds counted per year at Walterboro 1 SW (USC00388922): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Walterboro 1 SW Thresholds

Walterboro 1 SW: days with 10 mm (0.39 in) or more of precipitation in 83 years, most in 1964 with 56.
Walterboro 1 SW: days with 25 mm (0.98 in) or more of precipitation in 83 years, most in 1964 with 28.
Walterboro 1 SW: days with a maximum temperature at or above 30 C (86 F) in 80 years, most in 1945 with 164.
Walterboro 1 SW: days with a maximum temperature at or above 90 F (32.2 C) in 80 years, most in 1911 with 126.
15 fixed thresholds have at least one qualifying day at Walterboro 1 SW.

Days at or above 30 C (86 F)

80 years with a qualifying day

Days per year at Walterboro 1 SW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 164 in 1945.

Days at or above 30 C (86 F) per year at Walterboro 1 SW
Year	Days	Decade average
1904	110	114.5
1905	131	114.5
1906	102	114.5
1907	119	114.5
1908	119	114.5
1909	106	114.5
1910	146	136.5
1911	153	136.5
1912	139	136.5
1914	120	136.5
1915	142	136.5
1918	119	136.5
1937	119	118
1938	116	118
1939	119	118
1940	105	134.7
1941	132	134.7
1943	113	134.7
1944	154	134.7
1945	164	134.7
1946	160	134.7
1948	115	134.7
1951	147	127.7
1952	127	127.7
1954	136	127.7
1956	132	127.7
1958	114	127.7
1959	110	127.7
1960	127	105.7
1961	119	105.7
1962	137	105.7
1963	110	105.7
1964	103	105.7
1965	118	105.7
1966	56	105.7
1967	89	105.7
1968	114	105.7
1969	84	105.7
1970	119	108.8
1971	94	108.8
1972	84	108.8
1973	122	108.8
1975	124	108.8
1976	91	108.8
1977	127	108.8
1978	128	108.8
1979	90	108.8
1980	136	125.3
1981	130	125.3
1982	112	125.3
1983	118	125.3
1984	115	125.3
1985	137	125.3
1986	148	125.3
1987	122	125.3
1988	110	125.3
1990	143	143
2000	89	109.1
2001	111	109.1
2002	131	109.1
2003	90	109.1
2006	113	109.1
2007	122	109.1
2008	105	109.1
2009	112	109.1
2010	130	111.3
2011	130	111.3
2012	91	111.3
2013	86	111.3
2014	112	111.3
2016	113	111.3
2017	102	111.3
2019	126	111.3
2020	97	110.9
2021	92	110.9
2022	112	110.9
2023	93	110.9
2024	124	110.9
2025	112	110.9
2026	146	110.9

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

First to last qualifying date each year at Walterboro 1 SW
Year	First date	Last date
1904	1904-03-21	1904-10-12
1905	1905-03-19	1905-10-21
1906	1906-04-05	1906-11-20
1907	1907-03-20	1907-10-19
1908	1908-03-16	1908-11-27
1909	1909-04-05	1909-11-04
1910	1910-03-24	1910-10-21
1911	1911-03-12	1911-10-21
1912	1912-03-19	1912-10-18
1914	1914-03-29	1914-10-13
1915	1915-04-19	1915-11-01
1918	1918-03-01	1918-11-17
1937	1937-04-18	1937-10-07
1938	1938-03-20	1938-10-20
1939	1939-03-25	1939-10-26
1940	1940-04-01	1940-10-28
1941	1941-04-14	1941-11-20
1943	1943-03-13	1943-09-15
1944	1944-02-26	1944-10-31
1945	1945-02-28	1945-11-11
1946	1946-03-07	1946-10-31
1948	1948-03-20	1948-09-23
1951	1951-03-03	1951-10-08
1952	1952-04-20	1952-10-06
1954	1954-03-25	1954-10-13
1956	1956-04-30	1956-10-07
1958	1958-04-23	1958-11-16
1959	1959-04-20	1959-10-12
1960	1960-04-17	1960-10-14
1961	1961-03-06	1961-11-05
1962	1962-02-28	1962-10-16
1963	1963-03-18	1963-10-28
1964	1964-04-19	1964-09-30
1965	1965-04-06	1965-10-02
1966	1966-04-01	1966-09-27
1967	1967-03-12	1967-10-06
1968	1968-03-20	1968-10-03
1969	1969-05-06	1969-10-14
1970	1970-04-21	1970-10-03
1971	1971-04-18	1971-10-05
1972	1972-04-13	1972-11-04
1973	1973-03-15	1973-10-14
1975	1975-04-25	1975-10-14
1976	1976-04-15	1976-09-28
1977	1977-03-16	1977-10-02
1978	1978-04-01	1978-10-05
1979	1979-05-10	1979-10-01
1980	1980-04-22	1980-10-19
1981	1981-03-31	1981-10-07
1982	1982-03-15	1982-09-20
1983	1983-04-06	1983-10-06
1984	1984-03-19	1984-11-01
1985	1985-03-14	1985-10-21
1986	1986-03-12	1986-11-08
1987	1987-04-13	1987-09-20
1988	1988-04-05	1988-10-03
1990	1990-03-12	1990-10-17
2000	2000-05-09	2000-10-07
2001	2001-04-08	2001-10-25
2002	2002-03-17	2002-10-07
2003	2003-05-02	2003-09-22
2006	2006-04-03	2006-10-06
2007	2007-03-26	2007-10-24
2008	2008-05-11	2008-10-15
2009	2009-04-24	2009-10-10
2010	2010-04-01	2010-10-27
2011	2011-03-19	2011-09-30
2012	2012-04-03	2012-10-08
2013	2013-05-11	2013-10-07
2014	2014-04-03	2014-10-15
2016	2016-04-20	2016-09-29
2017	2017-03-22	2017-10-14
2019	2019-04-25	2019-11-01
2020	2020-03-29	2020-10-14
2021	2021-03-28	2021-10-17
2022	2022-04-27	2022-09-27
2023	2023-04-08	2023-09-26
2024	2024-04-19	2024-10-27
2025	2025-04-05	2025-10-09
2026	2026-03-11	2026-10-15

Every Fixed Threshold

Fixed thresholds at Walterboro 1 SW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
30 C (86 F): Days	80	164	1945	146
35 C (95 F): Days	77	71	1954	55
40 C (104 F): Days	11	4	1952	2
90 F (32.2 C): Days	80	126	1911	109
100 F (37.8 C): Days	48	20	1954	10
0 C (32 F): Ice days (max	14	2	1962	1
0 C (32 F): Frost days (min	73	76	1963	32
-10 C (14 F): Days with min	24	5	1970	1
20 C (68 F): Tropical nights (min	73	111	2016	117
25 C (77 F): Days with min	34	9	1983	1
10 mm (0.39 in): Days with 10 mm or more rain	83	56	1964	21
25 mm (0.98 in): Days with 25 mm or more rain	83	28	1964	8
50 mm (1.97 in): Days with 50 mm or more rain	79	9	1959	5
100 mm (3.94 in): Days with 100 mm or more rain	26	3	1969	1
200 mm (7.87 in): Days with 200 mm or more rain	2	1	2016	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.

Download the Data

Data for Walterboro 1 SW 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 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Walterboro 1 SW Threshold Days by Year (USC00388922)

Key Facts for Walterboro 1 SW Thresholds

Days at or above 30 C (86 F)

Every Fixed Threshold

Download the Data

Related