Hillsdown Threshold Days by Year (CA003023280)
15 fixed thresholds counted per year at Hillsdown (CA003023280): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Hillsdown Thresholds
- Hillsdown: days with a maximum temperature at or below 0 C (32 F) in 56 years, most in 1951 with 120.
- Hillsdown: nights with a minimum temperature at or below 0 C (32 F) in 56 years, most in 1950 with 242.
- Hillsdown: nights with a minimum temperature at or below -10 C (14 F) in 56 years, most in 1951 with 141.
- Hillsdown: nights with a minimum temperature at or below -20 C (-4 F) in 56 years, most in 1955 with 75.
- 15 fixed thresholds have at least one qualifying day at Hillsdown.
Days at or above 30 C (86 F)
42 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1904 | 2 | 5.5 |
| 1906 | 9 | 5.5 |
| 1910 | 1 | 5.5 |
| 1912 | 3 | 5.5 |
| 1914 | 7 | 5.5 |
| 1916 | 1 | 5.5 |
| 1918 | 10 | 5.5 |
| 1919 | 11 | 5.5 |
| 1920 | 14 | 5.6 |
| 1921 | 3 | 5.6 |
| 1922 | 4 | 5.6 |
| 1923 | 1 | 5.6 |
| 1924 | 13 | 5.6 |
| 1925 | 8 | 5.6 |
| 1926 | 5 | 5.6 |
| 1927 | 1 | 5.6 |
| 1928 | 2 | 5.6 |
| 1929 | 5 | 5.6 |
| 1930 | 5 | 4.7 |
| 1931 | 2 | 4.7 |
| 1932 | 4 | 4.7 |
| 1933 | 11 | 4.7 |
| 1934 | 7 | 4.7 |
| 1935 | 1 | 4.7 |
| 1936 | 8 | 4.7 |
| 1937 | 3 | 4.7 |
| 1938 | 1 | 4.7 |
| 1939 | 5 | 4.7 |
| 1940 | 1 | 2.4 |
| 1941 | 5 | 2.4 |
| 1945 | 1 | 2.4 |
| 1946 | 2 | 2.4 |
| 1949 | 3 | 2.4 |
| 1950 | 2 | 3.7 |
| 1951 | 1 | 3.7 |
| 1953 | 1 | 3.7 |
| 1954 | 2 | 3.7 |
| 1955 | 9 | 3.7 |
| 1956 | 4 | 3.7 |
| 1957 | 2 | 3.7 |
| 1958 | 7 | 3.7 |
| 1959 | 5 | 3.7 |
| Year | First date | Last date |
|---|---|---|
| 1904 | 1904-07-22 | 1904-07-27 |
| 1906 | 1906-07-06 | 1906-08-12 |
| 1910 | 1910-06-11 | 1910-06-11 |
| 1912 | 1912-06-11 | 1912-06-26 |
| 1914 | 1914-06-03 | 1914-08-03 |
| 1916 | 1916-07-16 | 1916-07-16 |
| 1918 | 1918-06-18 | 1918-08-01 |
| 1919 | 1919-05-19 | 1919-08-18 |
| 1920 | 1920-07-16 | 1920-08-22 |
| 1921 | 1921-07-19 | 1921-08-02 |
| 1922 | 1922-07-31 | 1922-08-03 |
| 1923 | 1923-06-12 | 1923-06-12 |
| 1924 | 1924-05-14 | 1924-07-25 |
| 1925 | 1925-06-27 | 1925-08-02 |
| 1926 | 1926-06-26 | 1926-07-25 |
| 1927 | 1927-07-23 | 1927-07-23 |
| 1928 | 1928-05-21 | 1928-05-22 |
| 1929 | 1929-07-18 | 1929-08-28 |
| 1930 | 1930-07-09 | 1930-08-13 |
| 1931 | 1931-07-22 | 1931-07-23 |
| 1932 | 1932-07-29 | 1932-08-18 |
| 1933 | 1933-06-14 | 1933-08-28 |
| 1934 | 1934-05-25 | 1934-08-16 |
| 1935 | 1935-07-15 | 1935-07-15 |
| 1936 | 1936-05-27 | 1936-07-28 |
| 1937 | 1937-06-28 | 1937-07-04 |
| 1938 | 1938-07-22 | 1938-07-22 |
| 1939 | 1939-07-11 | 1939-08-14 |
| 1940 | 1940-08-12 | 1940-08-12 |
| 1941 | 1941-05-23 | 1941-07-18 |
| 1945 | 1945-07-13 | 1945-07-13 |
| 1946 | 1946-07-20 | 1946-07-21 |
| 1949 | 1949-06-10 | 1949-07-15 |
| 1950 | 1950-06-19 | 1950-09-03 |
| 1951 | 1951-08-03 | 1951-08-03 |
| 1953 | 1953-08-19 | 1953-08-19 |
| 1954 | 1954-07-05 | 1954-07-19 |
| 1955 | 1955-07-14 | 1955-09-02 |
| 1956 | 1956-05-31 | 1956-07-21 |
| 1957 | 1957-07-13 | 1957-07-22 |
| 1958 | 1958-05-28 | 1958-08-25 |
| 1959 | 1959-07-12 | 1959-08-01 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 42 | 14 | 1920 | 5 |
| 35 C (95 F): Days | 5 | 2 | 1924 | 1 |
| 90 F (32.2 C): Days | 19 | 6 | 1924 | 1 |
| 100 F (37.8 C): Days | 1 | 1 | 1924 | 1 |
| 0 C (32 F): Ice days (max | 56 | 120 | 1951 | 78 |
| 0 C (32 F): Frost days (min | 56 | 242 | 1950 | 212 |
| -10 C (14 F): Days with min | 56 | 141 | 1951 | 99 |
| -20 C (-4 F): Days with min | 56 | 75 | 1955 | 49 |
| -30 C (-22 F): Days with min | 55 | 31 | 1936 | 12 |
| -40 C (-40 F): Days with min | 24 | 8 | 1950 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 56 | 22 | 1935 | 16 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 41 | 7 | 1954 | 2 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 8 | 1 | 1905 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 46 | 9 | 1955 | 6 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 5 | 1 | 1906 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1904.
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 (2026-10-17).