Grassy Hill Radio Otc Threshold Days by Year (ASN00031094)
5 fixed thresholds counted per year at Grassy Hill Radio Otc (ASN00031094): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Grassy Hill Radio Otc Thresholds
- Grassy Hill Radio Otc: days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1916 with 54.
- Grassy Hill Radio Otc: days with 25 mm (0.98 in) or more of precipitation in 50 years, most in 1932 with 24.
- Grassy Hill Radio Otc: days with 50 mm (1.97 in) or more of precipitation in 50 years, most in 1911 with 13.
- Grassy Hill Radio Otc: days with 100 mm (3.94 in) or more of precipitation in 30 years, most in 1928 with 4.
- 5 fixed thresholds have at least one qualifying day at Grassy Hill Radio Otc.
Days with 10 mm (0.39 in) or more of precipitation
50 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1896 | 41 | 32.3 |
| 1897 | 26 | 32.3 |
| 1898 | 36 | 32.3 |
| 1899 | 26 | 32.3 |
| 1900 | 16 | 30.4 |
| 1901 | 34 | 30.4 |
| 1904 | 27 | 30.4 |
| 1905 | 23 | 30.4 |
| 1906 | 31 | 30.4 |
| 1907 | 43 | 30.4 |
| 1908 | 33 | 30.4 |
| 1909 | 36 | 30.4 |
| 1910 | 35 | 35.4 |
| 1911 | 34 | 35.4 |
| 1912 | 21 | 35.4 |
| 1913 | 45 | 35.4 |
| 1914 | 44 | 35.4 |
| 1915 | 25 | 35.4 |
| 1916 | 54 | 35.4 |
| 1917 | 45 | 35.4 |
| 1918 | 31 | 35.4 |
| 1919 | 20 | 35.4 |
| 1920 | 31 | 32.4 |
| 1921 | 42 | 32.4 |
| 1922 | 23 | 32.4 |
| 1923 | 23 | 32.4 |
| 1924 | 41 | 32.4 |
| 1925 | 37 | 32.4 |
| 1926 | 23 | 32.4 |
| 1928 | 28 | 32.4 |
| 1929 | 44 | 32.4 |
| 1930 | 40 | 35.9 |
| 1931 | 37 | 35.9 |
| 1932 | 35 | 35.9 |
| 1933 | 43 | 35.9 |
| 1934 | 47 | 35.9 |
| 1935 | 16 | 35.9 |
| 1936 | 48 | 35.9 |
| 1937 | 28 | 35.9 |
| 1938 | 28 | 35.9 |
| 1939 | 37 | 35.9 |
| 1940 | 36 | 33.7 |
| 1941 | 38 | 33.7 |
| 1942 | 35 | 33.7 |
| 1943 | 35 | 33.7 |
| 1944 | 37 | 33.7 |
| 1945 | 38 | 33.7 |
| 1946 | 29 | 33.7 |
| 1947 | 27 | 33.7 |
| 1948 | 28 | 33.7 |
| Year | First date | Last date |
|---|---|---|
| 1896 | 1896-01-03 | 1896-12-21 |
| 1897 | 1897-01-07 | 1897-12-31 |
| 1898 | 1898-01-01 | 1898-12-30 |
| 1899 | 1899-01-09 | 1899-07-29 |
| 1900 | 1900-01-08 | 1900-11-22 |
| 1901 | 1901-01-04 | 1901-12-26 |
| 1904 | 1904-01-01 | 1904-12-30 |
| 1905 | 1905-01-11 | 1905-06-11 |
| 1906 | 1906-01-06 | 1906-12-13 |
| 1907 | 1907-01-03 | 1907-12-31 |
| 1908 | 1908-01-01 | 1908-04-23 |
| 1909 | 1909-01-14 | 1909-12-21 |
| 1910 | 1910-01-01 | 1910-12-31 |
| 1911 | 1911-01-01 | 1911-12-18 |
| 1912 | 1912-01-06 | 1912-12-31 |
| 1913 | 1913-01-10 | 1913-12-31 |
| 1914 | 1914-01-01 | 1914-12-28 |
| 1915 | 1915-01-20 | 1915-12-31 |
| 1916 | 1916-01-15 | 1916-12-31 |
| 1917 | 1917-01-01 | 1917-12-28 |
| 1918 | 1918-01-04 | 1918-12-30 |
| 1919 | 1919-01-02 | 1919-07-20 |
| 1920 | 1920-01-12 | 1920-12-21 |
| 1921 | 1921-01-03 | 1921-12-29 |
| 1922 | 1922-01-02 | 1922-12-24 |
| 1923 | 1923-01-02 | 1923-12-21 |
| 1924 | 1924-01-03 | 1924-12-19 |
| 1925 | 1925-01-02 | 1925-12-16 |
| 1926 | 1926-01-17 | 1926-12-30 |
| 1928 | 1928-01-18 | 1928-12-29 |
| 1929 | 1929-01-02 | 1929-12-28 |
| 1930 | 1930-01-03 | 1930-12-28 |
| 1931 | 1931-01-14 | 1931-12-28 |
| 1932 | 1932-01-17 | 1932-12-29 |
| 1933 | 1933-01-07 | 1933-12-31 |
| 1934 | 1934-01-01 | 1934-12-28 |
| 1935 | 1935-01-09 | 1935-10-03 |
| 1936 | 1936-01-01 | 1936-12-23 |
| 1937 | 1937-01-01 | 1937-12-30 |
| 1938 | 1938-01-06 | 1938-12-21 |
| 1939 | 1939-01-09 | 1939-12-26 |
| 1940 | 1940-01-04 | 1940-10-12 |
| 1941 | 1941-01-04 | 1941-12-31 |
| 1942 | 1942-02-05 | 1942-12-27 |
| 1943 | 1943-01-02 | 1943-12-16 |
| 1944 | 1944-01-01 | 1944-12-25 |
| 1945 | 1945-01-19 | 1945-12-24 |
| 1946 | 1946-01-05 | 1946-12-31 |
| 1947 | 1947-01-20 | 1947-12-29 |
| 1948 | 1948-01-03 | 1948-12-27 |
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 | 50 | 54 | 1916 | 28 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 50 | 24 | 1932 | 15 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 50 | 13 | 1911 | 4 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 30 | 4 | 1928 | 4 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 3 | 2 | 1928 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.
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).