Blaine Threshold Days by Year (USC00450729)
14 fixed thresholds counted per year at Blaine (USC00450729): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Blaine Thresholds
- Blaine: days with 10 mm (0.39 in) or more of precipitation in 108 years, most in 1933 with 62.
- Blaine: days with 25 mm (0.98 in) or more of precipitation in 108 years, most in 1933 with 19.
- Blaine: nights with a minimum temperature at or below 0 C (32 F) in 107 years, most in 1985 with 107.
- Blaine: days with a maximum temperature at or below 0 C (32 F) in 92 years, most in 1950 with 23.
- 14 fixed thresholds have at least one qualifying day at Blaine.
Days at or above 30 C (86 F)
31 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1910 | 1 | 1 |
| 1911 | 1 | 1 |
| 1912 | 1 | 1 |
| 1914 | 1 | 1 |
| 1915 | 1 | 1 |
| 1920 | 2 | 1.5 |
| 1926 | 1 | 1.5 |
| 1933 | 2 | 1.7 |
| 1935 | 1 | 1.7 |
| 1938 | 2 | 1.7 |
| 1940 | 1 | 3.4 |
| 1941 | 4 | 3.4 |
| 1942 | 10 | 3.4 |
| 1946 | 1 | 3.4 |
| 1949 | 1 | 3.4 |
| 1951 | 3 | 3 |
| 1955 | 1 | 3 |
| 1958 | 5 | 3 |
| 1960 | 6 | 2.8 |
| 1962 | 1 | 2.8 |
| 1965 | 3 | 2.8 |
| 1968 | 1 | 2.8 |
| 1970 | 1 | 1.7 |
| 1971 | 3 | 1.7 |
| 1978 | 1 | 1.7 |
| 1993 | 1 | 1 |
| 2015 | 2 | 2.3 |
| 2016 | 2 | 2.3 |
| 2017 | 3 | 2.3 |
| 2020 | 2 | 3.5 |
| 2021 | 5 | 3.5 |
| Year | First date | Last date |
|---|---|---|
| 1910 | 1910-07-10 | 1910-07-10 |
| 1911 | 1911-07-17 | 1911-07-17 |
| 1912 | 1912-07-17 | 1912-07-17 |
| 1914 | 1914-05-22 | 1914-05-22 |
| 1915 | 1915-08-20 | 1915-08-20 |
| 1920 | 1920-07-07 | 1920-07-08 |
| 1926 | 1926-07-12 | 1926-07-12 |
| 1933 | 1933-08-12 | 1933-08-24 |
| 1935 | 1935-08-27 | 1935-08-27 |
| 1938 | 1938-07-20 | 1938-07-24 |
| 1940 | 1940-08-19 | 1940-08-19 |
| 1941 | 1941-07-14 | 1941-07-17 |
| 1942 | 1942-06-30 | 1942-08-21 |
| 1946 | 1946-07-19 | 1946-07-19 |
| 1949 | 1949-09-04 | 1949-09-04 |
| 1951 | 1951-06-28 | 1951-07-12 |
| 1955 | 1955-06-09 | 1955-06-09 |
| 1958 | 1958-07-06 | 1958-07-28 |
| 1960 | 1960-07-17 | 1960-08-10 |
| 1962 | 1962-07-26 | 1962-07-26 |
| 1965 | 1965-07-29 | 1965-07-31 |
| 1968 | 1968-07-30 | 1968-07-30 |
| 1970 | 1970-07-16 | 1970-07-16 |
| 1971 | 1971-08-09 | 1971-08-11 |
| 1978 | 1978-08-08 | 1978-08-08 |
| 1993 | 1993-08-04 | 1993-08-04 |
| 2015 | 2015-08-01 | 2015-08-02 |
| 2016 | 2016-05-02 | 2016-08-23 |
| 2017 | 2017-08-09 | 2017-09-04 |
| 2020 | 2020-08-16 | 2020-08-17 |
| 2021 | 2021-06-27 | 2021-08-13 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 31 | 10 | 1942 | 5 |
| 35 C (95 F): Days | 1 | 4 | 2021 | 4 |
| 90 F (32.2 C): Days | 10 | 5 | 1942 | 5 |
| 0 C (32 F): Ice days (max | 92 | 23 | 1950 | 5 |
| 0 C (32 F): Frost days (min | 107 | 107 | 1985 | 28 |
| -10 C (14 F): Days with min | 64 | 24 | 1950 | 1 |
| -20 C (-4 F): Days with min | 1 | 1 | 1936 | 1 |
| 20 C (68 F): Tropical nights (min | 4 | 1 | 1933 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 108 | 62 | 1933 | 18 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 108 | 19 | 1933 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 37 | 4 | 1935 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1945 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 35 | 8 | 1951 | 3 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 4 | 2 | 1951 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1910.
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 (2026-10-12).