Canyon Ferry Threshold Days by Year (USC00241460)
16 fixed thresholds counted per year at Canyon Ferry (USC00241460): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Canyon Ferry Thresholds
- Canyon Ferry: days with a maximum temperature at or above 30 C (86 F) in 51 years, most in 1936 with 63.
- Canyon Ferry: days with a maximum temperature at or below 0 C (32 F) in 51 years, most in 1930 with 89.
- Canyon Ferry: days with a maximum temperature at or above 90 F (32.2 C) in 50 years, most in 1919 with 38.
- Canyon Ferry: nights with a minimum temperature at or below 0 C (32 F) in 50 years, most in 1929 with 209.
- 16 fixed thresholds have at least one qualifying day at Canyon Ferry.
Days at or above 30 C (86 F)
51 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1899 | 23 | 23 |
| 1900 | 40 | 33.4 |
| 1901 | 53 | 33.4 |
| 1902 | 31 | 33.4 |
| 1903 | 28 | 33.4 |
| 1904 | 34 | 33.4 |
| 1905 | 42 | 33.4 |
| 1906 | 36 | 33.4 |
| 1907 | 9 | 33.4 |
| 1908 | 32 | 33.4 |
| 1909 | 29 | 33.4 |
| 1910 | 39 | 35.3 |
| 1911 | 27 | 35.3 |
| 1912 | 22 | 35.3 |
| 1913 | 33 | 35.3 |
| 1914 | 43 | 35.3 |
| 1915 | 29 | 35.3 |
| 1916 | 32 | 35.3 |
| 1917 | 43 | 35.3 |
| 1918 | 31 | 35.3 |
| 1919 | 54 | 35.3 |
| 1920 | 24 | 37.6 |
| 1921 | 49 | 37.6 |
| 1922 | 36 | 37.6 |
| 1923 | 44 | 37.6 |
| 1924 | 37 | 37.6 |
| 1925 | 41 | 37.6 |
| 1926 | 40 | 37.6 |
| 1927 | 32 | 37.6 |
| 1928 | 23 | 37.6 |
| 1929 | 50 | 37.6 |
| 1930 | 14 | 41.4 |
| 1931 | 45 | 41.4 |
| 1932 | 51 | 41.4 |
| 1933 | 57 | 41.4 |
| 1934 | 43 | 41.4 |
| 1935 | 37 | 41.4 |
| 1936 | 63 | 41.4 |
| 1937 | 40 | 41.4 |
| 1938 | 24 | 41.4 |
| 1939 | 40 | 41.4 |
| 1940 | 43 | 25 |
| 1941 | 28 | 25 |
| 1942 | 20 | 25 |
| 1943 | 17 | 25 |
| 1944 | 9 | 25 |
| 1945 | 29 | 25 |
| 1946 | 25 | 25 |
| 1947 | 26 | 25 |
| 1948 | 18 | 25 |
| 1949 | 35 | 25 |
| Year | First date | Last date |
|---|---|---|
| 1899 | 1899-06-16 | 1899-09-26 |
| 1900 | 1900-05-26 | 1900-08-20 |
| 1901 | 1901-05-01 | 1901-09-01 |
| 1902 | 1902-05-14 | 1902-09-06 |
| 1903 | 1903-05-13 | 1903-08-29 |
| 1904 | 1904-06-18 | 1904-09-08 |
| 1905 | 1905-06-01 | 1905-09-25 |
| 1906 | 1906-05-10 | 1906-09-23 |
| 1907 | 1907-07-03 | 1907-08-17 |
| 1908 | 1908-06-25 | 1908-09-06 |
| 1909 | 1909-06-13 | 1909-08-30 |
| 1910 | 1910-04-19 | 1910-08-26 |
| 1911 | 1911-05-05 | 1911-09-01 |
| 1912 | 1912-06-19 | 1912-08-26 |
| 1913 | 1913-06-01 | 1913-09-13 |
| 1914 | 1914-05-31 | 1914-09-04 |
| 1915 | 1915-06-24 | 1915-09-01 |
| 1916 | 1916-06-16 | 1916-09-03 |
| 1917 | 1917-05-14 | 1917-08-26 |
| 1918 | 1918-06-08 | 1918-08-25 |
| 1919 | 1919-05-19 | 1919-08-27 |
| 1920 | 1920-06-29 | 1920-09-17 |
| 1921 | 1921-06-12 | 1921-08-31 |
| 1922 | 1922-05-25 | 1922-09-27 |
| 1923 | 1923-06-10 | 1923-09-20 |
| 1924 | 1924-05-14 | 1924-09-05 |
| 1925 | 1925-06-19 | 1925-09-04 |
| 1926 | 1926-06-04 | 1926-08-29 |
| 1927 | 1927-06-07 | 1927-09-06 |
| 1928 | 1928-05-21 | 1928-08-18 |
| 1929 | 1929-06-28 | 1929-08-31 |
| 1930 | 1930-06-10 | 1930-08-09 |
| 1931 | 1931-06-07 | 1931-09-06 |
| 1932 | 1932-05-12 | 1932-08-26 |
| 1933 | 1933-05-30 | 1933-08-19 |
| 1934 | 1934-05-24 | 1934-08-28 |
| 1935 | 1935-06-27 | 1935-09-14 |
| 1936 | 1936-05-14 | 1936-09-21 |
| 1937 | 1937-06-21 | 1937-09-20 |
| 1938 | 1938-07-13 | 1938-09-24 |
| 1939 | 1939-05-15 | 1939-09-01 |
| 1940 | 1940-06-13 | 1940-09-07 |
| 1941 | 1941-05-12 | 1941-08-22 |
| 1942 | 1942-07-04 | 1942-08-21 |
| 1943 | 1943-07-06 | 1943-08-18 |
| 1944 | 1944-07-01 | 1944-08-04 |
| 1945 | 1945-06-20 | 1945-09-04 |
| 1946 | 1946-04-24 | 1946-08-23 |
| 1947 | 1947-05-02 | 1947-09-07 |
| 1948 | 1948-06-30 | 1948-09-14 |
| 1949 | 1949-05-11 | 1949-09-01 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 51 | 63 | 1936 | 35 |
| 35 C (95 F): Days | 36 | 19 | 1901 | 3 |
| 40 C (104 F): Days | 3 | 1 | 1901 | 1 |
| 90 F (32.2 C): Days | 50 | 38 | 1919 | 14 |
| 100 F (37.8 C): Days | 13 | 6 | 1901 | 1 |
| 0 C (32 F): Ice days (max | 51 | 89 | 1930 | 64 |
| 0 C (32 F): Frost days (min | 50 | 209 | 1929 | 187 |
| -10 C (14 F): Days with min | 50 | 92 | 1929 | 77 |
| -20 C (-4 F): Days with min | 50 | 40 | 1916 | 40 |
| -30 C (-22 F): Days with min | 34 | 12 | 1916 | 7 |
| -40 C (-40 F): Days with min | 2 | 1 | 1927 | 1 |
| 20 C (68 F): Tropical nights (min | 9 | 2 | 1901 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 50 | 13 | 1938 | 6 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 26 | 3 | 1923 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 3 | 1 | 1900 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 21 | 4 | 1942 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1899.
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).