Ardmore 1 NW Threshold Days by Year (USC00390236)
21 fixed thresholds counted per year at Ardmore 1 NW (USC00390236): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Ardmore 1 NW Thresholds
- Ardmore 1 NW: days with 10 mm (0.39 in) or more of precipitation in 89 years, most in 1915 with 24.
- Ardmore 1 NW: days with a maximum temperature at or above 30 C (86 F) in 85 years, most in 2012 with 104.
- Ardmore 1 NW: days with a maximum temperature at or above 90 F (32.2 C) in 85 years, most in 2012 with 85.
- Ardmore 1 NW: days with a maximum temperature at or below 0 C (32 F) in 85 years, most in 1978 with 80.
- 21 fixed thresholds have at least one qualifying day at Ardmore 1 NW.
Days at or above 30 C (86 F)
85 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1914 | 64 | 49 |
| 1915 | 13 | 49 |
| 1916 | 46 | 49 |
| 1917 | 51 | 49 |
| 1918 | 47 | 49 |
| 1919 | 73 | 49 |
| 1920 | 53 | 51.1 |
| 1921 | 65 | 51.1 |
| 1923 | 34 | 51.1 |
| 1924 | 41 | 51.1 |
| 1925 | 63 | 51.1 |
| 1926 | 57 | 51.1 |
| 1928 | 45 | 51.1 |
| 1930 | 64 | 79.8 |
| 1931 | 87 | 79.8 |
| 1932 | 69 | 79.8 |
| 1933 | 79 | 79.8 |
| 1934 | 81 | 79.8 |
| 1935 | 67 | 79.8 |
| 1936 | 95 | 79.8 |
| 1937 | 82 | 79.8 |
| 1938 | 87 | 79.8 |
| 1939 | 87 | 79.8 |
| 1940 | 76 | 61.3 |
| 1941 | 59 | 61.3 |
| 1942 | 47 | 61.3 |
| 1943 | 77 | 61.3 |
| 1944 | 47 | 61.3 |
| 1945 | 52 | 61.3 |
| 1946 | 64 | 61.3 |
| 1949 | 68 | 61.3 |
| 1952 | 73 | 82.3 |
| 1953 | 89 | 82.3 |
| 1954 | 83 | 82.3 |
| 1955 | 81 | 82.3 |
| 1956 | 99 | 82.3 |
| 1957 | 69 | 82.3 |
| 1960 | 75 | 59.7 |
| 1962 | 50 | 59.7 |
| 1963 | 76 | 59.7 |
| 1964 | 64 | 59.7 |
| 1965 | 35 | 59.7 |
| 1966 | 71 | 59.7 |
| 1967 | 49 | 59.7 |
| 1968 | 44 | 59.7 |
| 1969 | 73 | 59.7 |
| 1970 | 83 | 67.3 |
| 1971 | 58 | 67.3 |
| 1972 | 66 | 67.3 |
| 1973 | 65 | 67.3 |
| 1974 | 69 | 67.3 |
| 1975 | 66 | 67.3 |
| 1976 | 70 | 67.3 |
| 1977 | 60 | 67.3 |
| 1978 | 69 | 67.3 |
| 1981 | 65 | 72.3 |
| 1982 | 55 | 72.3 |
| 1983 | 73 | 72.3 |
| 1984 | 70 | 72.3 |
| 1985 | 77 | 72.3 |
| 1986 | 60 | 72.3 |
| 1987 | 74 | 72.3 |
| 1988 | 94 | 72.3 |
| 1989 | 83 | 72.3 |
| 1990 | 67 | 57.4 |
| 1991 | 58 | 57.4 |
| 1992 | 49 | 57.4 |
| 1993 | 27 | 57.4 |
| 1994 | 68 | 57.4 |
| 1995 | 59 | 57.4 |
| 1996 | 67 | 57.4 |
| 1997 | 58 | 57.4 |
| 1998 | 67 | 57.4 |
| 1999 | 54 | 57.4 |
| 2000 | 77 | 71.1 |
| 2001 | 67 | 71.1 |
| 2002 | 76 | 71.1 |
| 2003 | 70 | 71.1 |
| 2004 | 60 | 71.1 |
| 2005 | 74 | 71.1 |
| 2006 | 80 | 71.1 |
| 2007 | 91 | 71.1 |
| 2009 | 45 | 71.1 |
| 2010 | 70 | 87 |
| 2012 | 104 | 87 |
| Year | First date | Last date |
|---|---|---|
| 1914 | 1914-05-31 | 1914-09-28 |
| 1915 | 1915-05-12 | 1915-08-23 |
| 1916 | 1916-06-26 | 1916-09-30 |
| 1917 | 1917-05-15 | 1917-09-23 |
| 1918 | 1918-06-09 | 1918-09-22 |
| 1919 | 1919-05-26 | 1919-09-26 |
| 1920 | 1920-06-08 | 1920-10-06 |
| 1921 | 1921-05-21 | 1921-10-13 |
| 1923 | 1923-06-16 | 1923-09-23 |
| 1924 | 1924-06-11 | 1924-09-24 |
| 1925 | 1925-05-19 | 1925-09-16 |
| 1926 | 1926-04-30 | 1926-09-29 |
| 1928 | 1928-05-01 | 1928-10-10 |
| 1930 | 1930-05-25 | 1930-09-22 |
| 1931 | 1931-05-07 | 1931-09-29 |
| 1932 | 1932-05-13 | 1932-09-30 |
| 1933 | 1933-05-30 | 1933-09-29 |
| 1934 | 1934-05-05 | 1934-10-07 |
| 1935 | 1935-06-08 | 1935-09-23 |
| 1936 | 1936-05-04 | 1936-09-23 |
| 1937 | 1937-05-14 | 1937-10-03 |
| 1938 | 1938-04-30 | 1938-10-03 |
| 1939 | 1939-04-22 | 1939-09-23 |
| 1940 | 1940-05-04 | 1940-09-23 |
| 1941 | 1941-05-13 | 1941-09-20 |
| 1942 | 1942-04-15 | 1942-10-11 |
| 1943 | 1943-05-01 | 1943-09-27 |
| 1944 | 1944-05-13 | 1944-09-16 |
| 1945 | 1945-06-21 | 1945-09-21 |
| 1946 | 1946-06-04 | 1946-09-14 |
| 1949 | 1949-04-24 | 1949-10-06 |
| 1952 | 1952-04-26 | 1952-10-09 |
| 1953 | 1953-05-28 | 1953-10-11 |
| 1954 | 1954-05-13 | 1954-10-08 |
| 1955 | 1955-05-01 | 1955-10-10 |
| 1956 | 1956-06-01 | 1956-10-12 |
| 1957 | 1957-05-02 | 1957-10-02 |
| 1960 | 1960-05-12 | 1960-10-07 |
| 1962 | 1962-04-20 | 1962-10-10 |
| 1963 | 1963-05-07 | 1963-10-09 |
| 1964 | 1964-05-17 | 1964-09-30 |
| 1965 | 1965-05-30 | 1965-10-09 |
| 1966 | 1966-05-04 | 1966-09-23 |
| 1967 | 1967-05-22 | 1967-10-03 |
| 1968 | 1968-06-02 | 1968-09-14 |
| 1969 | 1969-05-24 | 1969-09-28 |
| 1970 | 1970-05-17 | 1970-10-05 |
| 1971 | 1971-06-14 | 1971-09-13 |
| 1972 | 1972-05-15 | 1972-09-22 |
| 1973 | 1973-06-07 | 1973-09-09 |
| 1974 | 1974-05-01 | 1974-09-26 |
| 1975 | 1975-05-15 | 1975-10-07 |
| 1976 | 1976-05-14 | 1976-09-17 |
| 1977 | 1977-04-09 | 1977-09-20 |
| 1978 | 1978-05-14 | 1978-09-27 |
| 1981 | 1981-05-02 | 1981-10-02 |
| 1982 | 1982-05-02 | 1982-09-10 |
| 1983 | 1983-05-26 | 1983-09-27 |
| 1984 | 1984-05-15 | 1984-09-19 |
| 1985 | 1985-05-02 | 1985-09-18 |
| 1986 | 1986-04-23 | 1986-09-02 |
| 1987 | 1987-04-17 | 1987-10-03 |
| 1988 | 1988-04-07 | 1988-10-12 |
| 1989 | 1989-04-21 | 1989-09-30 |
| 1990 | 1990-06-04 | 1990-10-05 |
| 1991 | 1991-06-11 | 1991-10-17 |
| 1992 | 1992-04-30 | 1992-10-21 |
| 1993 | 1993-05-13 | 1993-10-06 |
| 1994 | 1994-05-10 | 1994-09-28 |
| 1995 | 1995-06-13 | 1995-10-12 |
| 1996 | 1996-04-10 | 1996-10-05 |
| 1997 | 1997-05-31 | 1997-10-11 |
| 1998 | 1998-06-24 | 1998-09-25 |
| 1999 | 1999-05-29 | 1999-10-11 |
| 2000 | 2000-05-04 | 2000-09-18 |
| 2001 | 2001-04-28 | 2001-10-01 |
| 2002 | 2002-05-28 | 2002-09-16 |
| 2003 | 2003-05-28 | 2003-10-22 |
| 2004 | 2004-05-07 | 2004-09-19 |
| 2005 | 2005-05-06 | 2005-10-02 |
| 2006 | 2006-05-17 | 2006-10-02 |
| 2007 | 2007-05-11 | 2007-10-01 |
| 2009 | 2009-04-23 | 2009-08-27 |
| 2010 | 2010-05-28 | 2010-09-28 |
| 2012 | 2012-04-01 | 2012-10-02 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 85 | 104 | 2012 | 104 |
| 35 C (95 F): Days | 84 | 62 | 2012 | 62 |
| 40 C (104 F): Days | 48 | 21 | 1936 | 6 |
| 45 C (113 F): Days | 1 | 1 | 1954 | 1 |
| 90 F (32.2 C): Days | 85 | 85 | 2012 | 85 |
| 100 F (37.8 C): Days | 78 | 34 | 1936 | 32 |
| 110 F (43.3 C): Days | 4 | 4 | 1954 | 4 |
| 0 C (32 F): Ice days (max | 85 | 80 | 1978 | 20 |
| 0 C (32 F): Frost days (min | 82 | 209 | 1970 | 177 |
| -10 C (14 F): Days with min | 82 | 100 | 1978 | 59 |
| -20 C (-4 F): Days with min | 81 | 37 | 1937 | 9 |
| -30 C (-22 F): Days with min | 57 | 9 | 1936 | 1 |
| -40 C (-40 F): Days with min | 1 | 1 | 1989 | 1 |
| 20 C (68 F): Tropical nights (min | 60 | 13 | 1936 | 4 |
| 25 C (77 F): Days with min | 3 | 1 | 1937 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 89 | 24 | 1915 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 81 | 7 | 1915 | 3 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 25 | 2 | 1915 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1943 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 64 | 9 | 2009 | 5 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 11 | 2 | 1949 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1914.
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).