Catawba Island 1 SW Threshold Days by Year (USC00331353)
15 fixed thresholds counted per year at Catawba Island 1 SW (USC00331353): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Catawba Island 1 SW Thresholds
- Catawba Island 1 SW: nights with a minimum temperature at or below 0 C (32 F) in 39 years, most in 1943 with 136.
- Catawba Island 1 SW: nights with a minimum temperature at or below -10 C (14 F) in 39 years, most in 1920 with 45.
- Catawba Island 1 SW: nights with a minimum temperature at or above 20 C (68 F) in 39 years, most in 1921 with 45.
- Catawba Island 1 SW: days with a maximum temperature at or above 30 C (86 F) in 37 years, most in 1921 with 63.
- 15 fixed thresholds have at least one qualifying day at Catawba Island 1 SW.
Days at or above 30 C (86 F)
37 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1917 | 27 | 43 |
| 1918 | 41 | 43 |
| 1919 | 61 | 43 |
| 1920 | 33 | 32.5 |
| 1921 | 63 | 32.5 |
| 1922 | 45 | 32.5 |
| 1923 | 23 | 32.5 |
| 1924 | 26 | 32.5 |
| 1925 | 49 | 32.5 |
| 1926 | 22 | 32.5 |
| 1927 | 25 | 32.5 |
| 1928 | 24 | 32.5 |
| 1929 | 15 | 32.5 |
| 1930 | 43 | 36.8 |
| 1931 | 48 | 36.8 |
| 1932 | 22 | 36.8 |
| 1933 | 47 | 36.8 |
| 1934 | 54 | 36.8 |
| 1936 | 32 | 36.8 |
| 1937 | 22 | 36.8 |
| 1938 | 26 | 36.8 |
| 1939 | 37 | 36.8 |
| 1940 | 31 | 32.9 |
| 1941 | 57 | 32.9 |
| 1942 | 22 | 32.9 |
| 1943 | 34 | 32.9 |
| 1944 | 47 | 32.9 |
| 1945 | 27 | 32.9 |
| 1946 | 22 | 32.9 |
| 1947 | 27 | 32.9 |
| 1949 | 29 | 32.9 |
| 1950 | 12 | 22 |
| 1951 | 15 | 22 |
| 1953 | 33 | 22 |
| 1955 | 43 | 22 |
| 1956 | 22 | 22 |
| 1958 | 7 | 22 |
| Year | First date | Last date |
|---|---|---|
| 1917 | 1917-05-19 | 1917-08-27 |
| 1918 | 1918-05-17 | 1918-08-25 |
| 1919 | 1919-06-01 | 1919-10-03 |
| 1920 | 1920-06-01 | 1920-10-11 |
| 1921 | 1921-04-25 | 1921-09-29 |
| 1922 | 1922-06-06 | 1922-10-06 |
| 1923 | 1923-06-01 | 1923-09-05 |
| 1924 | 1924-06-17 | 1924-08-31 |
| 1925 | 1925-04-23 | 1925-09-19 |
| 1926 | 1926-05-07 | 1926-09-19 |
| 1927 | 1927-05-09 | 1927-10-02 |
| 1928 | 1928-07-02 | 1928-09-16 |
| 1929 | 1929-04-06 | 1929-09-11 |
| 1930 | 1930-05-09 | 1930-09-14 |
| 1931 | 1931-05-18 | 1931-09-22 |
| 1932 | 1932-07-13 | 1932-09-19 |
| 1933 | 1933-06-04 | 1933-09-25 |
| 1934 | 1934-05-20 | 1934-09-26 |
| 1936 | 1936-05-09 | 1936-08-24 |
| 1937 | 1937-05-31 | 1937-10-01 |
| 1938 | 1938-05-04 | 1938-09-12 |
| 1939 | 1939-05-27 | 1939-10-08 |
| 1940 | 1940-06-04 | 1940-09-20 |
| 1941 | 1941-05-05 | 1941-09-22 |
| 1942 | 1942-04-30 | 1942-09-16 |
| 1943 | 1943-06-03 | 1943-09-01 |
| 1944 | 1944-05-26 | 1944-09-18 |
| 1945 | 1945-06-23 | 1945-09-24 |
| 1946 | 1946-06-16 | 1946-09-27 |
| 1947 | 1947-06-10 | 1947-09-11 |
| 1949 | 1949-05-04 | 1949-08-27 |
| 1950 | 1950-06-02 | 1950-08-28 |
| 1951 | 1951-06-01 | 1951-10-04 |
| 1953 | 1953-06-05 | 1953-10-03 |
| 1955 | 1955-06-05 | 1955-09-19 |
| 1956 | 1956-06-11 | 1956-08-31 |
| 1958 | 1958-07-02 | 1958-08-31 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 37 | 63 | 1921 | 7 |
| 35 C (95 F): Days | 27 | 12 | 1918 | 1 |
| 40 C (104 F): Days | 1 | 1 | 1918 | 1 |
| 90 F (32.2 C): Days | 37 | 36 | 1921 | 1 |
| 100 F (37.8 C): Days | 7 | 4 | 1918 | 2 |
| 0 C (32 F): Ice days (max | 37 | 53 | 1958 | 53 |
| 0 C (32 F): Frost days (min | 39 | 136 | 1943 | 130 |
| -10 C (14 F): Days with min | 39 | 45 | 1920 | 39 |
| -20 C (-4 F): Days with min | 20 | 10 | 1918 | 3 |
| 20 C (68 F): Tropical nights (min | 39 | 45 | 1921 | 5 |
| 25 C (77 F): Days with min | 18 | 6 | 1936 | 2 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 34 | 33 | 1943 | 27 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 33 | 9 | 1929 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 17 | 4 | 1937 | 2 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 6 | 5 | 1951 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.
Download the Data
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 . Last revised (2025-12-31).