Selwyn Wrc Threshold Days by Year
4 fixed thresholds counted per year at Selwyn Wrc (ASN00029120): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Selwyn Wrc Thresholds
- Selwyn Wrc: days with 10 mm (0.39 in) or more of precipitation in 54 years, most in 1950 with 27.
- Selwyn Wrc: days with 25 mm (0.98 in) or more of precipitation in 53 years, most in 1941 with 11.
- Selwyn Wrc: days with 50 mm (1.97 in) or more of precipitation in 29 years, most in 1918 with 4.
- Selwyn Wrc: days with 100 mm (3.94 in) or more of precipitation in 8 years, most in 1917 with 1.
- 4 fixed thresholds have at least one qualifying day at Selwyn Wrc.
Days with 10 mm (0.39 in) or more of precipitation
54 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1915 | 11 | 16.2 |
| 1916 | 26 | 16.2 |
| 1917 | 19 | 16.2 |
| 1918 | 13 | 16.2 |
| 1919 | 12 | 16.2 |
| 1920 | 25 | 10.2 |
| 1921 | 17 | 10.2 |
| 1922 | 11 | 10.2 |
| 1923 | 7 | 10.2 |
| 1924 | 13 | 10.2 |
| 1925 | 5 | 10.2 |
| 1926 | 6 | 10.2 |
| 1927 | 8 | 10.2 |
| 1928 | 4 | 10.2 |
| 1929 | 6 | 10.2 |
| 1930 | 16 | 9.5 |
| 1931 | 14 | 9.5 |
| 1932 | 10 | 9.5 |
| 1933 | 6 | 9.5 |
| 1934 | 8 | 9.5 |
| 1935 | 5 | 9.5 |
| 1936 | 12 | 9.5 |
| 1937 | 7 | 9.5 |
| 1938 | 8 | 9.5 |
| 1939 | 9 | 9.5 |
| 1940 | 13 | 12.1 |
| 1941 | 22 | 12.1 |
| 1942 | 12 | 12.1 |
| 1943 | 6 | 12.1 |
| 1944 | 13 | 12.1 |
| 1945 | 5 | 12.1 |
| 1946 | 15 | 12.1 |
| 1947 | 12 | 12.1 |
| 1948 | 9 | 12.1 |
| 1949 | 14 | 12.1 |
| 1950 | 27 | 12.6 |
| 1951 | 10 | 12.6 |
| 1952 | 12 | 12.6 |
| 1953 | 11 | 12.6 |
| 1954 | 10 | 12.6 |
| 1955 | 10 | 12.6 |
| 1956 | 16 | 12.6 |
| 1957 | 13 | 12.6 |
| 1958 | 8 | 12.6 |
| 1959 | 9 | 12.6 |
| 1960 | 8 | 6.9 |
| 1961 | 2 | 6.9 |
| 1962 | 9 | 6.9 |
| 1963 | 9 | 6.9 |
| 1964 | 9 | 6.9 |
| 1965 | 6 | 6.9 |
| 1966 | 7 | 6.9 |
| 1967 | 6 | 6.9 |
| 1968 | 6 | 6.9 |
| Year | First date | Last date |
|---|---|---|
| 1915 | 1915-01-21 | 1915-12-27 |
| 1916 | 1916-01-23 | 1916-12-31 |
| 1917 | 1917-01-02 | 1917-12-24 |
| 1918 | 1918-01-02 | 1918-03-01 |
| 1919 | 1919-01-07 | 1919-12-06 |
| 1920 | 1920-01-15 | 1920-12-30 |
| 1921 | 1921-01-04 | 1921-11-26 |
| 1922 | 1922-01-17 | 1922-12-26 |
| 1923 | 1923-01-07 | 1923-12-27 |
| 1924 | 1924-01-05 | 1924-12-12 |
| 1925 | 1925-01-21 | 1925-11-13 |
| 1926 | 1926-01-14 | 1926-12-26 |
| 1927 | 1927-01-21 | 1927-12-22 |
| 1928 | 1928-03-31 | 1928-12-19 |
| 1929 | 1929-01-06 | 1929-11-18 |
| 1930 | 1930-01-14 | 1930-12-26 |
| 1931 | 1931-01-15 | 1931-12-23 |
| 1932 | 1932-02-26 | 1932-12-14 |
| 1933 | 1933-01-26 | 1933-11-28 |
| 1934 | 1934-01-26 | 1934-07-28 |
| 1935 | 1935-01-21 | 1935-06-30 |
| 1936 | 1936-01-06 | 1936-11-10 |
| 1937 | 1937-01-02 | 1937-06-14 |
| 1938 | 1938-01-13 | 1938-07-24 |
| 1939 | 1939-02-14 | 1939-12-30 |
| 1940 | 1940-02-01 | 1940-12-07 |
| 1941 | 1941-01-01 | 1941-12-30 |
| 1942 | 1942-01-21 | 1942-12-28 |
| 1943 | 1943-02-04 | 1943-12-19 |
| 1944 | 1944-01-21 | 1944-12-19 |
| 1945 | 1945-03-10 | 1945-12-18 |
| 1946 | 1946-01-05 | 1946-12-01 |
| 1947 | 1947-02-09 | 1947-12-31 |
| 1948 | 1948-02-15 | 1948-12-30 |
| 1949 | 1949-01-28 | 1949-12-20 |
| 1950 | 1950-01-09 | 1950-12-26 |
| 1951 | 1951-01-02 | 1951-12-20 |
| 1952 | 1952-01-22 | 1952-12-26 |
| 1953 | 1953-01-03 | 1953-04-10 |
| 1954 | 1954-01-01 | 1954-12-11 |
| 1955 | 1955-01-22 | 1955-10-18 |
| 1956 | 1956-01-10 | 1956-12-21 |
| 1957 | 1957-01-09 | 1957-12-31 |
| 1958 | 1958-01-26 | 1958-11-24 |
| 1959 | 1959-01-11 | 1959-09-07 |
| 1960 | 1960-01-26 | 1960-12-27 |
| 1961 | 1961-01-02 | 1961-02-13 |
| 1962 | 1962-01-15 | 1962-12-29 |
| 1963 | 1963-01-15 | 1963-12-31 |
| 1964 | 1964-01-02 | 1964-10-08 |
| 1965 | 1965-03-10 | 1965-12-21 |
| 1966 | 1966-01-06 | 1966-12-04 |
| 1967 | 1967-02-03 | 1967-12-28 |
| 1968 | 1968-01-21 | 1968-05-21 |
Every Fixed Threshold
| 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 | 54 | 27 | 1950 | 6 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 53 | 11 | 1941 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 29 | 4 | 1918 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 8 | 1 | 1917 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.
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).