Keedysville Threshold Days by Year (USC00184780)
17 fixed thresholds counted per year at Keedysville (USC00184780): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Keedysville Thresholds
- Keedysville: days with a maximum temperature at or above 30 C (86 F) in 55 years, most in 1930 with 98.
- Keedysville: days with a maximum temperature at or above 90 F (32.2 C) in 55 years, most in 1930 with 70.
- Keedysville: days with a maximum temperature at or below 0 C (32 F) in 55 years, most in 1918 with 28.
- Keedysville: nights with a minimum temperature at or below 0 C (32 F) in 55 years, most in 1917 with 141.
- 17 fixed thresholds have at least one qualifying day at Keedysville.
Days at or above 30 C (86 F)
55 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1905 | 68 | 63 |
| 1906 | 72 | 63 |
| 1907 | 45 | 63 |
| 1908 | 72 | 63 |
| 1909 | 58 | 63 |
| 1910 | 69 | 66.1 |
| 1911 | 83 | 66.1 |
| 1912 | 54 | 66.1 |
| 1913 | 68 | 66.1 |
| 1914 | 74 | 66.1 |
| 1915 | 60 | 66.1 |
| 1916 | 60 | 66.1 |
| 1917 | 60 | 66.1 |
| 1918 | 65 | 66.1 |
| 1919 | 68 | 66.1 |
| 1920 | 51 | 66.2 |
| 1921 | 81 | 66.2 |
| 1922 | 76 | 66.2 |
| 1923 | 68 | 66.2 |
| 1924 | 53 | 66.2 |
| 1925 | 86 | 66.2 |
| 1926 | 64 | 66.2 |
| 1927 | 49 | 66.2 |
| 1928 | 56 | 66.2 |
| 1929 | 78 | 66.2 |
| 1930 | 98 | 76.5 |
| 1931 | 81 | 76.5 |
| 1932 | 77 | 76.5 |
| 1933 | 64 | 76.5 |
| 1934 | 82 | 76.5 |
| 1935 | 66 | 76.5 |
| 1936 | 87 | 76.5 |
| 1937 | 59 | 76.5 |
| 1938 | 71 | 76.5 |
| 1939 | 80 | 76.5 |
| 1940 | 48 | 65.3 |
| 1941 | 70 | 65.3 |
| 1942 | 68 | 65.3 |
| 1943 | 86 | 65.3 |
| 1944 | 86 | 65.3 |
| 1945 | 49 | 65.3 |
| 1946 | 54 | 65.3 |
| 1947 | 68 | 65.3 |
| 1948 | 53 | 65.3 |
| 1949 | 71 | 65.3 |
| 1950 | 50 | 72.2 |
| 1951 | 79 | 72.2 |
| 1952 | 68 | 72.2 |
| 1953 | 81 | 72.2 |
| 1954 | 79 | 72.2 |
| 1955 | 71 | 72.2 |
| 1956 | 58 | 72.2 |
| 1957 | 89 | 72.2 |
| 1958 | 50 | 72.2 |
| 1959 | 97 | 72.2 |
| Year | First date | Last date |
|---|---|---|
| 1905 | 1905-05-04 | 1905-10-05 |
| 1906 | 1906-04-30 | 1906-09-21 |
| 1907 | 1907-03-22 | 1907-09-21 |
| 1908 | 1908-04-23 | 1908-09-24 |
| 1909 | 1909-04-17 | 1909-09-23 |
| 1910 | 1910-04-15 | 1910-10-06 |
| 1911 | 1911-05-01 | 1911-09-26 |
| 1912 | 1912-05-20 | 1912-10-12 |
| 1913 | 1913-04-23 | 1913-09-08 |
| 1914 | 1914-04-29 | 1914-09-23 |
| 1915 | 1915-04-19 | 1915-09-17 |
| 1916 | 1916-05-01 | 1916-10-09 |
| 1917 | 1917-04-01 | 1917-09-02 |
| 1918 | 1918-05-05 | 1918-08-29 |
| 1919 | 1919-05-04 | 1919-10-11 |
| 1920 | 1920-05-28 | 1920-09-26 |
| 1921 | 1921-03-21 | 1921-09-29 |
| 1922 | 1922-04-09 | 1922-10-06 |
| 1923 | 1923-04-20 | 1923-09-25 |
| 1924 | 1924-05-06 | 1924-09-13 |
| 1925 | 1925-04-23 | 1925-09-21 |
| 1926 | 1926-05-01 | 1926-10-05 |
| 1927 | 1927-04-20 | 1927-10-02 |
| 1928 | 1928-05-04 | 1928-10-17 |
| 1929 | 1929-04-06 | 1929-09-29 |
| 1930 | 1930-04-11 | 1930-09-27 |
| 1931 | 1931-05-16 | 1931-10-07 |
| 1932 | 1932-05-07 | 1932-09-23 |
| 1933 | 1933-04-29 | 1933-10-01 |
| 1934 | 1934-05-05 | 1934-09-27 |
| 1935 | 1935-04-27 | 1935-09-27 |
| 1936 | 1936-04-29 | 1936-09-23 |
| 1937 | 1937-04-18 | 1937-09-04 |
| 1938 | 1938-04-28 | 1938-10-17 |
| 1939 | 1939-04-24 | 1939-10-10 |
| 1940 | 1940-05-07 | 1940-09-21 |
| 1941 | 1941-04-14 | 1941-10-07 |
| 1942 | 1942-04-06 | 1942-09-19 |
| 1943 | 1943-05-06 | 1943-09-29 |
| 1944 | 1944-05-03 | 1944-09-05 |
| 1945 | 1945-03-16 | 1945-09-29 |
| 1946 | 1946-04-22 | 1946-09-18 |
| 1947 | 1947-05-12 | 1947-10-23 |
| 1948 | 1948-05-10 | 1948-09-20 |
| 1949 | 1949-04-26 | 1949-10-12 |
| 1950 | 1950-05-06 | 1950-08-31 |
| 1951 | 1951-05-02 | 1951-10-06 |
| 1952 | 1952-04-20 | 1952-09-30 |
| 1953 | 1953-05-11 | 1953-10-01 |
| 1954 | 1954-05-02 | 1954-10-13 |
| 1955 | 1955-05-04 | 1955-09-20 |
| 1956 | 1956-04-28 | 1956-09-23 |
| 1957 | 1957-04-21 | 1957-09-22 |
| 1958 | 1958-05-18 | 1958-10-17 |
| 1959 | 1959-05-07 | 1959-10-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 55 | 98 | 1930 | 97 |
| 35 C (95 F): Days | 54 | 40 | 1930 | 14 |
| 40 C (104 F): Days | 11 | 10 | 1930 | 2 |
| 90 F (32.2 C): Days | 55 | 70 | 1930 | 59 |
| 100 F (37.8 C): Days | 34 | 19 | 1930 | 2 |
| 0 C (32 F): Ice days (max | 55 | 28 | 1918 | 11 |
| 0 C (32 F): Frost days (min | 55 | 141 | 1917 | 124 |
| -10 C (14 F): Days with min | 55 | 31 | 1912 | 12 |
| -20 C (-4 F): Days with min | 27 | 6 | 1918 | 1 |
| -30 C (-22 F): Days with min | 1 | 2 | 1912 | 2 |
| 20 C (68 F): Tropical nights (min | 55 | 32 | 1905 | 25 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 55 | 47 | 1952 | 28 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 55 | 16 | 1907 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 34 | 4 | 1955 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 5 | 1 | 1929 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 35 | 5 | 1935 | 1 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 1 | 1929 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1905.
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).