Aldersyde Post Office Threshold Days by Year
3 fixed thresholds counted per year at Aldersyde Post Office (ASN00010501): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Aldersyde Post Office Thresholds
- Aldersyde Post Office: days with 10 mm (0.39 in) or more of precipitation in 42 years, most in 1917 with 20.
- Aldersyde Post Office: days with 25 mm (0.98 in) or more of precipitation in 36 years, most in 1939 with 5.
- Aldersyde Post Office: days with 50 mm (1.97 in) or more of precipitation in 7 years, most in 1925 with 1.
- 3 fixed thresholds have at least one qualifying day at Aldersyde Post Office.
Days with 10 mm (0.39 in) or more of precipitation
42 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1917 | 20 | 15 |
| 1918 | 15 | 15 |
| 1919 | 10 | 15 |
| 1920 | 11 | 9.5 |
| 1921 | 12 | 9.5 |
| 1922 | 10 | 9.5 |
| 1923 | 7 | 9.5 |
| 1924 | 8 | 9.5 |
| 1925 | 12 | 9.5 |
| 1926 | 12 | 9.5 |
| 1927 | 9 | 9.5 |
| 1928 | 3 | 9.5 |
| 1929 | 11 | 9.5 |
| 1930 | 11 | 11.3 |
| 1931 | 10 | 11.3 |
| 1932 | 15 | 11.3 |
| 1933 | 10 | 11.3 |
| 1934 | 10 | 11.3 |
| 1935 | 11 | 11.3 |
| 1936 | 8 | 11.3 |
| 1937 | 9 | 11.3 |
| 1938 | 9 | 11.3 |
| 1939 | 20 | 11.3 |
| 1940 | 6 | 11.1 |
| 1941 | 10 | 11.1 |
| 1942 | 15 | 11.1 |
| 1943 | 14 | 11.1 |
| 1944 | 6 | 11.1 |
| 1945 | 16 | 11.1 |
| 1946 | 16 | 11.1 |
| 1947 | 10 | 11.1 |
| 1949 | 7 | 11.1 |
| 1950 | 7 | 7 |
| 1963 | 15 | 10.6 |
| 1964 | 11 | 10.6 |
| 1965 | 13 | 10.6 |
| 1966 | 9 | 10.6 |
| 1967 | 10 | 10.6 |
| 1968 | 11 | 10.6 |
| 1969 | 5 | 10.6 |
| 1974 | 18 | 13 |
| 1975 | 8 | 13 |
| Year | First date | Last date |
|---|---|---|
| 1917 | 1917-04-08 | 1917-10-12 |
| 1918 | 1918-02-15 | 1918-10-17 |
| 1919 | 1919-04-16 | 1919-11-04 |
| 1920 | 1920-03-13 | 1920-09-08 |
| 1921 | 1921-02-20 | 1921-12-14 |
| 1922 | 1922-02-24 | 1922-12-15 |
| 1923 | 1923-01-20 | 1923-09-17 |
| 1924 | 1924-05-12 | 1924-08-08 |
| 1925 | 1925-01-23 | 1925-10-11 |
| 1926 | 1926-03-11 | 1926-11-19 |
| 1927 | 1927-03-13 | 1927-10-07 |
| 1928 | 1928-07-17 | 1928-08-05 |
| 1929 | 1929-03-17 | 1929-11-15 |
| 1930 | 1930-03-08 | 1930-08-27 |
| 1931 | 1931-05-04 | 1931-12-28 |
| 1932 | 1932-04-08 | 1932-10-23 |
| 1933 | 1933-01-08 | 1933-08-30 |
| 1934 | 1934-03-09 | 1934-11-06 |
| 1935 | 1935-01-06 | 1935-10-19 |
| 1936 | 1936-05-09 | 1936-08-23 |
| 1937 | 1937-03-04 | 1937-11-13 |
| 1938 | 1938-03-14 | 1938-11-02 |
| 1939 | 1939-02-13 | 1939-11-01 |
| 1940 | 1940-01-23 | 1940-12-03 |
| 1941 | 1941-04-13 | 1941-09-19 |
| 1942 | 1942-03-14 | 1942-12-21 |
| 1943 | 1943-01-31 | 1943-09-19 |
| 1944 | 1944-05-04 | 1944-08-11 |
| 1945 | 1945-03-26 | 1945-08-22 |
| 1946 | 1946-04-20 | 1946-11-12 |
| 1947 | 1947-03-06 | 1947-11-19 |
| 1949 | 1949-04-29 | 1949-11-06 |
| 1950 | 1950-05-09 | 1950-09-13 |
| 1963 | 1963-02-20 | 1963-11-25 |
| 1964 | 1964-04-02 | 1964-10-12 |
| 1965 | 1965-05-05 | 1965-10-22 |
| 1966 | 1966-02-12 | 1966-10-23 |
| 1967 | 1967-05-09 | 1967-09-02 |
| 1968 | 1968-01-30 | 1968-09-10 |
| 1969 | 1969-04-09 | 1969-07-28 |
| 1974 | 1974-04-04 | 1974-10-23 |
| 1975 | 1975-04-01 | 1975-09-22 |
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 | 42 | 20 | 1917 | 8 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 36 | 5 | 1939 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 7 | 1 | 1925 | 1 |
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).