Catawba 1 WSW Threshold Days by Year

6 fixed thresholds counted per year at Catawba 1 WSW (USC00311577): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Catawba 1 WSW Thresholds

Catawba 1 WSW: days with 10 mm (0.39 in) or more of precipitation in 40 years, most in 1957 with 48.
Catawba 1 WSW: days with 25 mm (0.98 in) or more of precipitation in 40 years, most in 1936 with 18.
Catawba 1 WSW: days with 50 mm (1.97 in) or more of precipitation in 36 years, most in 1936 with 5.
Catawba 1 WSW: days with 10 cm (3.9 in) or more of snowfall in 15 years, most in 1969 with 3.
6 fixed thresholds have at least one qualifying day at Catawba 1 WSW.

Days with 10 mm (0.39 in) or more of precipitation

40 years with a qualifying day

Days per year at Catawba 1 WSW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 48 in 1957.

Days with 10 mm (0.39 in) or more of precipitation per year at Catawba 1 WSW
Year	Days	Decade average
1905	42	42
1935	40	41.6
1936	46	41.6
1937	44	41.6
1938	39	41.6
1939	39	41.6
1940	35	38
1941	25	38
1942	45	38
1943	37	38
1944	46	38
1945	41	38
1946	33	38
1947	42	38
1948	37	38
1949	39	38
1950	39	37.1
1951	33	37.1
1952	35	37.1
1953	37	37.1
1954	33	37.1
1955	25	37.1
1956	38	37.1
1957	48	37.1
1958	40	37.1
1959	43	37.1
1960	48	40.7
1961	48	40.7
1962	35	40.7
1963	40	40.7
1964	41	40.7
1965	36	40.7
1967	34	40.7
1968	38	40.7
1969	46	40.7
1970	32	40.4
1971	42	40.4
1972	39	40.4
1973	46	40.4
1974	43	40.4

For each year, a bar from the first to the last day at Catawba 1 WSW meeting 10 mm (0.39 in).

First to last qualifying date each year at Catawba 1 WSW
Year	First date	Last date
1905	1905-01-06	1905-12-29
1935	1935-01-09	1935-12-13
1936	1936-01-02	1936-12-31
1937	1937-01-01	1937-12-28
1938	1938-01-02	1938-12-27
1939	1939-01-06	1939-12-27
1940	1940-01-08	1940-12-28
1941	1941-01-25	1941-12-23
1942	1942-01-02	1942-12-30
1943	1943-01-18	1943-12-29
1944	1944-01-03	1944-12-12
1945	1945-01-01	1945-12-31
1946	1946-01-07	1946-12-21
1947	1947-01-01	1947-12-16
1948	1948-01-02	1948-12-30
1949	1949-01-06	1949-12-27
1950	1950-01-18	1950-12-29
1951	1951-02-07	1951-12-21
1952	1952-01-10	1952-12-31
1953	1953-01-09	1953-12-14
1954	1954-01-11	1954-12-29
1955	1955-01-11	1955-11-11
1956	1956-01-24	1956-12-24
1957	1957-01-23	1957-12-26
1958	1958-01-14	1958-12-29
1959	1959-01-02	1959-12-19
1960	1960-01-03	1960-12-21
1961	1961-01-01	1961-12-18
1962	1962-01-01	1962-12-30
1963	1963-01-12	1963-12-24
1964	1964-01-01	1964-12-27
1965	1965-01-11	1965-11-22
1967	1967-01-08	1967-12-29
1968	1968-01-07	1968-12-23
1969	1969-01-20	1969-12-26
1970	1970-01-30	1970-12-23
1971	1971-01-01	1971-12-08
1972	1972-01-05	1972-12-22
1973	1973-01-04	1973-12-30
1974	1974-01-01	1974-12-25

Every Fixed Threshold

Fixed thresholds at Catawba 1 WSW
Threshold	Years with a qualifying day	Most days in a year	Year	Latest year days
10 mm (0.39 in): Days with 10 mm or more rain	40	48	1957	43
25 mm (0.98 in): Days with 25 mm or more rain	40	18	1936	11
50 mm (1.97 in): Days with 50 mm or more rain	36	5	1936	4
100 mm (3.94 in): Days with 100 mm or more rain	10	2	1944	1
10 cm (3.9 in): Days with 10 cm or more snowfall	15	3	1969	1
25 cm (9.8 in): Days with 25 cm or more snowfall	2	1	1960	1

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.

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Data for Catawba 1 WSW 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of 2025-12-31. Last revised 31 December 2025 (2025-12-31).

Catawba 1 WSW Threshold Days by Year

Key Facts for Catawba 1 WSW Thresholds

Days with 10 mm (0.39 in) or more of precipitation

Every Fixed Threshold

Download the Data

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