Hamilton Downs Threshold Days by Year (ASN00037023)
5 fixed thresholds counted per year at Hamilton Downs (ASN00037023): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Hamilton Downs Thresholds
- Hamilton Downs: days with 10 mm (0.39 in) or more of precipitation in 38 years, most in 1950 with 25.
- Hamilton Downs: days with 25 mm (0.98 in) or more of precipitation in 38 years, most in 1936 with 12.
- Hamilton Downs: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1917 with 6.
- Hamilton Downs: days with 100 mm (3.94 in) or more of precipitation in 6 years, most in 1936 with 2.
- 5 fixed thresholds have at least one qualifying day at Hamilton Downs.
Days with 10 mm (0.39 in) or more of precipitation
38 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1911 | 12 | 12.8 |
| 1912 | 13 | 12.8 |
| 1913 | 15 | 12.8 |
| 1914 | 10 | 12.8 |
| 1915 | 6 | 12.8 |
| 1917 | 17 | 12.8 |
| 1918 | 18 | 12.8 |
| 1919 | 11 | 12.8 |
| 1920 | 16 | 10.7 |
| 1921 | 13 | 10.7 |
| 1922 | 11 | 10.7 |
| 1923 | 3 | 10.7 |
| 1924 | 20 | 10.7 |
| 1928 | 2 | 10.7 |
| 1929 | 10 | 10.7 |
| 1933 | 9 | 11.4 |
| 1934 | 12 | 11.4 |
| 1935 | 6 | 11.4 |
| 1936 | 20 | 11.4 |
| 1937 | 9 | 11.4 |
| 1938 | 13 | 11.4 |
| 1939 | 11 | 11.4 |
| 1940 | 14 | 10.8 |
| 1941 | 21 | 10.8 |
| 1942 | 9 | 10.8 |
| 1943 | 9 | 10.8 |
| 1944 | 11 | 10.8 |
| 1945 | 9 | 10.8 |
| 1946 | 12 | 10.8 |
| 1947 | 10 | 10.8 |
| 1948 | 4 | 10.8 |
| 1949 | 9 | 10.8 |
| 1950 | 25 | 12.3 |
| 1951 | 10 | 12.3 |
| 1952 | 5 | 12.3 |
| 1953 | 8 | 12.3 |
| 1954 | 12 | 12.3 |
| 1955 | 14 | 12.3 |
| Year | First date | Last date |
|---|---|---|
| 1911 | 1911-01-06 | 1911-11-29 |
| 1912 | 1912-02-08 | 1912-12-28 |
| 1913 | 1913-01-03 | 1913-12-28 |
| 1914 | 1914-01-04 | 1914-11-04 |
| 1915 | 1915-01-20 | 1915-09-22 |
| 1917 | 1917-01-01 | 1917-12-13 |
| 1918 | 1918-01-05 | 1918-11-01 |
| 1919 | 1919-01-15 | 1919-12-01 |
| 1920 | 1920-01-19 | 1920-12-06 |
| 1921 | 1921-01-03 | 1921-12-25 |
| 1922 | 1922-01-30 | 1922-12-21 |
| 1923 | 1923-03-06 | 1923-06-04 |
| 1924 | 1924-01-05 | 1924-12-14 |
| 1928 | 1928-12-12 | 1928-12-17 |
| 1929 | 1929-01-01 | 1929-11-17 |
| 1933 | 1933-01-27 | 1933-12-05 |
| 1934 | 1934-01-28 | 1934-10-16 |
| 1935 | 1935-01-20 | 1935-11-04 |
| 1936 | 1936-01-05 | 1936-12-30 |
| 1937 | 1937-01-02 | 1937-12-26 |
| 1938 | 1938-01-01 | 1938-07-23 |
| 1939 | 1939-01-18 | 1939-11-26 |
| 1940 | 1940-02-08 | 1940-12-31 |
| 1941 | 1941-01-07 | 1941-11-04 |
| 1942 | 1942-01-16 | 1942-11-25 |
| 1943 | 1943-02-03 | 1943-12-19 |
| 1944 | 1944-02-07 | 1944-12-19 |
| 1945 | 1945-01-06 | 1945-12-18 |
| 1946 | 1946-01-06 | 1946-12-27 |
| 1947 | 1947-01-03 | 1947-12-31 |
| 1948 | 1948-01-13 | 1948-06-13 |
| 1949 | 1949-02-23 | 1949-12-19 |
| 1950 | 1950-02-12 | 1950-12-19 |
| 1951 | 1951-01-12 | 1951-12-28 |
| 1952 | 1952-01-23 | 1952-12-26 |
| 1953 | 1953-01-07 | 1953-12-26 |
| 1954 | 1954-01-01 | 1954-12-03 |
| 1955 | 1955-01-24 | 1955-06-08 |
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 | 38 | 25 | 1950 | 14 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 38 | 12 | 1936 | 9 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 26 | 6 | 1917 | 6 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 6 | 2 | 1936 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 2 | 1 | 1936 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1911.
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).