Shamrock Mine Threshold Days by Year
5 fixed thresholds counted per year at Shamrock Mine (ASN00040146): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Shamrock Mine Thresholds
- Shamrock Mine: days with 10 mm (0.39 in) or more of precipitation in 56 years, most in 1931 with 45.
- Shamrock Mine: days with 25 mm (0.98 in) or more of precipitation in 56 years, most in 1927 with 26.
- Shamrock Mine: days with 50 mm (1.97 in) or more of precipitation in 51 years, most in 1956 with 11.
- Shamrock Mine: days with 100 mm (3.94 in) or more of precipitation in 22 years, most in 1955 with 4.
- 5 fixed thresholds have at least one qualifying day at Shamrock Mine.
Days with 10 mm (0.39 in) or more of precipitation
56 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1927 | 44 | 38 |
| 1928 | 32 | 38 |
| 1931 | 45 | 45 |
| 1942 | 32 | 28.5 |
| 1943 | 30 | 28.5 |
| 1944 | 21 | 28.5 |
| 1945 | 28 | 28.5 |
| 1946 | 21 | 28.5 |
| 1947 | 29 | 28.5 |
| 1948 | 25 | 28.5 |
| 1949 | 42 | 28.5 |
| 1950 | 40 | 31 |
| 1951 | 14 | 31 |
| 1952 | 21 | 31 |
| 1953 | 26 | 31 |
| 1954 | 41 | 31 |
| 1955 | 38 | 31 |
| 1956 | 41 | 31 |
| 1957 | 19 | 31 |
| 1958 | 33 | 31 |
| 1959 | 37 | 31 |
| 1960 | 25 | 28.3 |
| 1961 | 26 | 28.3 |
| 1962 | 32 | 28.3 |
| 1963 | 30 | 28.3 |
| 1971 | 35 | 31.1 |
| 1972 | 24 | 31.1 |
| 1973 | 39 | 31.1 |
| 1974 | 43 | 31.1 |
| 1975 | 31 | 31.1 |
| 1976 | 37 | 31.1 |
| 1977 | 15 | 31.1 |
| 1978 | 31 | 31.1 |
| 1979 | 25 | 31.1 |
| 1980 | 26 | 28 |
| 1981 | 26 | 28 |
| 1982 | 25 | 28 |
| 1983 | 40 | 28 |
| 1984 | 31 | 28 |
| 1986 | 21 | 28 |
| 1987 | 22 | 28 |
| 1988 | 30 | 28 |
| 1989 | 31 | 28 |
| 1990 | 28 | 24 |
| 1991 | 18 | 24 |
| 1992 | 30 | 24 |
| 1994 | 15 | 24 |
| 1999 | 29 | 24 |
| 2000 | 26 | 25.3 |
| 2001 | 20 | 25.3 |
| 2003 | 28 | 25.3 |
| 2004 | 25 | 25.3 |
| 2005 | 30 | 25.3 |
| 2006 | 17 | 25.3 |
| 2007 | 25 | 25.3 |
| 2008 | 31 | 25.3 |
| Year | First date | Last date |
|---|---|---|
| 1927 | 1927-01-11 | 1927-12-31 |
| 1928 | 1928-01-23 | 1928-12-27 |
| 1931 | 1931-01-10 | 1931-12-19 |
| 1942 | 1942-01-15 | 1942-12-31 |
| 1943 | 1943-01-14 | 1943-12-30 |
| 1944 | 1944-01-15 | 1944-12-29 |
| 1945 | 1945-01-12 | 1945-12-29 |
| 1946 | 1946-01-07 | 1946-12-16 |
| 1947 | 1947-01-05 | 1947-12-31 |
| 1948 | 1948-02-11 | 1948-12-31 |
| 1949 | 1949-01-04 | 1949-12-17 |
| 1950 | 1950-01-18 | 1950-12-15 |
| 1951 | 1951-01-10 | 1951-12-12 |
| 1952 | 1952-01-09 | 1952-11-05 |
| 1953 | 1953-01-01 | 1953-11-25 |
| 1954 | 1954-01-03 | 1954-12-17 |
| 1955 | 1955-01-13 | 1955-12-31 |
| 1956 | 1956-01-06 | 1956-12-21 |
| 1957 | 1957-01-10 | 1957-12-17 |
| 1958 | 1958-01-22 | 1958-12-29 |
| 1959 | 1959-01-03 | 1959-12-22 |
| 1960 | 1960-01-16 | 1960-12-19 |
| 1961 | 1961-01-04 | 1961-12-15 |
| 1962 | 1962-01-05 | 1962-12-31 |
| 1963 | 1963-01-01 | 1963-12-31 |
| 1971 | 1971-01-19 | 1971-12-28 |
| 1972 | 1972-01-15 | 1972-12-28 |
| 1973 | 1973-01-06 | 1973-12-20 |
| 1974 | 1974-01-02 | 1974-12-29 |
| 1975 | 1975-01-03 | 1975-12-23 |
| 1976 | 1976-01-10 | 1976-12-30 |
| 1977 | 1977-01-03 | 1977-12-16 |
| 1978 | 1978-01-05 | 1978-12-29 |
| 1979 | 1979-01-18 | 1979-12-21 |
| 1980 | 1980-01-05 | 1980-12-31 |
| 1981 | 1981-01-01 | 1981-12-17 |
| 1982 | 1982-01-16 | 1982-12-31 |
| 1983 | 1983-01-02 | 1983-12-31 |
| 1984 | 1984-01-13 | 1984-12-31 |
| 1986 | 1986-01-03 | 1986-12-16 |
| 1987 | 1987-01-06 | 1987-12-02 |
| 1988 | 1988-01-25 | 1988-12-28 |
| 1989 | 1989-01-02 | 1989-11-20 |
| 1990 | 1990-01-16 | 1990-12-31 |
| 1991 | 1991-01-03 | 1991-12-22 |
| 1992 | 1992-01-01 | 1992-12-28 |
| 1994 | 1994-01-09 | 1994-11-15 |
| 1999 | 1999-01-28 | 1999-12-29 |
| 2000 | 2000-01-02 | 2000-12-29 |
| 2001 | 2001-02-01 | 2001-12-17 |
| 2003 | 2003-02-04 | 2003-12-28 |
| 2004 | 2004-01-10 | 2004-12-28 |
| 2005 | 2005-01-06 | 2005-12-26 |
| 2006 | 2006-01-08 | 2006-12-28 |
| 2007 | 2007-01-10 | 2007-12-28 |
| 2008 | 2008-01-11 | 2008-12-26 |
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 | 56 | 45 | 1931 | 31 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 56 | 26 | 1927 | 8 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 51 | 11 | 1956 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 22 | 4 | 1955 | 1 |
| 200 mm (7.87 in): Days with 200 mm or more rain | 1 | 1 | 1955 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1927.
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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.
Data as of . Last revised (2025-12-31).