McKinley Threshold Days by Year (USC00355375)
13 fixed thresholds counted per year at McKinley (USC00355375): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for McKinley Thresholds
- McKinley: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1935 with 81.
- McKinley: days with a maximum temperature at or above 30 C (86 F) in 32 years, most in 1918 with 20.
- McKinley: days with 10 mm (0.39 in) or more of precipitation in 31 years, most in 1902 with 81.
- McKinley: days with 25 mm (0.98 in) or more of precipitation in 31 years, most in 1904 with 32.
- 13 fixed thresholds have at least one qualifying day at McKinley.
Days at or above 30 C (86 F)
32 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1898 | 7 | 6.5 |
| 1899 | 6 | 6.5 |
| 1900 | 13 | 8 |
| 1902 | 7 | 8 |
| 1903 | 5 | 8 |
| 1904 | 8 | 8 |
| 1905 | 12 | 8 |
| 1906 | 8 | 8 |
| 1908 | 10 | 8 |
| 1909 | 1 | 8 |
| 1910 | 4 | 12.2 |
| 1911 | 1 | 12.2 |
| 1916 | 14 | 12.2 |
| 1917 | 14 | 12.2 |
| 1918 | 20 | 12.2 |
| 1919 | 20 | 12.2 |
| 1920 | 9 | 9.3 |
| 1921 | 4 | 9.3 |
| 1922 | 15 | 9.3 |
| 1931 | 12 | 12.9 |
| 1932 | 13 | 12.9 |
| 1933 | 5 | 12.9 |
| 1934 | 10 | 12.9 |
| 1935 | 17 | 12.9 |
| 1936 | 16 | 12.9 |
| 1937 | 11 | 12.9 |
| 1938 | 12 | 12.9 |
| 1939 | 20 | 12.9 |
| 1940 | 7 | 10.5 |
| 1941 | 5 | 10.5 |
| 1942 | 16 | 10.5 |
| 1943 | 14 | 10.5 |
| Year | First date | Last date |
|---|---|---|
| 1898 | 1898-06-04 | 1898-09-16 |
| 1899 | 1899-07-24 | 1899-09-23 |
| 1900 | 1900-06-06 | 1900-09-01 |
| 1902 | 1902-07-18 | 1902-10-02 |
| 1903 | 1903-06-06 | 1903-10-16 |
| 1904 | 1904-04-08 | 1904-09-11 |
| 1905 | 1905-07-07 | 1905-09-22 |
| 1906 | 1906-04-19 | 1906-10-06 |
| 1908 | 1908-04-29 | 1908-09-29 |
| 1909 | 1909-09-16 | 1909-09-16 |
| 1910 | 1910-04-17 | 1910-08-25 |
| 1911 | 1911-06-10 | 1911-06-10 |
| 1916 | 1916-06-12 | 1916-09-28 |
| 1917 | 1917-07-13 | 1917-10-07 |
| 1918 | 1918-04-20 | 1918-09-26 |
| 1919 | 1919-06-01 | 1919-09-25 |
| 1920 | 1920-06-20 | 1920-09-28 |
| 1921 | 1921-07-06 | 1921-10-07 |
| 1922 | 1922-05-15 | 1922-09-11 |
| 1931 | 1931-04-20 | 1931-09-02 |
| 1932 | 1932-06-09 | 1932-09-27 |
| 1933 | 1933-07-14 | 1933-10-03 |
| 1934 | 1934-06-10 | 1934-10-05 |
| 1935 | 1935-04-27 | 1935-09-28 |
| 1936 | 1936-05-23 | 1936-10-17 |
| 1937 | 1937-06-04 | 1937-10-09 |
| 1938 | 1938-06-06 | 1938-09-26 |
| 1939 | 1939-05-12 | 1939-09-21 |
| 1940 | 1940-06-11 | 1940-10-18 |
| 1941 | 1941-05-10 | 1941-09-23 |
| 1942 | 1942-05-20 | 1942-10-04 |
| 1943 | 1943-07-17 | 1943-09-30 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 32 | 20 | 1918 | 14 |
| 35 C (95 F): Days | 20 | 7 | 1922 | 2 |
| 40 C (104 F): Days | 4 | 1 | 1905 | 1 |
| 90 F (32.2 C): Days | 30 | 12 | 1939 | 4 |
| 100 F (37.8 C): Days | 11 | 2 | 1905 | 1 |
| 0 C (32 F): Ice days (max | 3 | 1 | 1901 | 1 |
| 0 C (32 F): Frost days (min | 33 | 81 | 1935 | 78 |
| -10 C (14 F): Days with min | 3 | 6 | 1932 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 31 | 81 | 1902 | 52 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 31 | 32 | 1904 | 14 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 30 | 7 | 1904 | 2 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 4 | 1 | 1900 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 4 | 3 | 1916 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1898.
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).