Sidnaw Threshold Days by Year (USC00207557)
19 fixed thresholds counted per year at Sidnaw (USC00207557): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Sidnaw Thresholds
- Sidnaw: nights with a minimum temperature at or below 0 C (32 F) in 23 years, most in 1917 with 230.
- Sidnaw: nights with a minimum temperature at or below -10 C (14 F) in 23 years, most in 1926 with 112.
- Sidnaw: nights with a minimum temperature at or below -20 C (-4 F) in 23 years, most in 1916 with 51.
- Sidnaw: days with a maximum temperature at or above 30 C (86 F) in 22 years, most in 1921 with 38.
- 19 fixed thresholds have at least one qualifying day at Sidnaw.
Days at or above 30 C (86 F)
22 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1900 | 30 | 30 |
| 1916 | 26 | 19 |
| 1917 | 12 | 19 |
| 1920 | 6 | 13 |
| 1921 | 38 | 13 |
| 1922 | 18 | 13 |
| 1923 | 19 | 13 |
| 1924 | 4 | 13 |
| 1925 | 16 | 13 |
| 1926 | 7 | 13 |
| 1927 | 7 | 13 |
| 1928 | 3 | 13 |
| 1929 | 12 | 13 |
| 1930 | 13 | 19 |
| 1931 | 26 | 19 |
| 1932 | 17 | 19 |
| 1933 | 24 | 19 |
| 1934 | 17 | 19 |
| 1935 | 14 | 19 |
| 1936 | 25 | 19 |
| 1937 | 26 | 19 |
| 1938 | 9 | 19 |
| Year | First date | Last date |
|---|---|---|
| 1900 | 1900-05-14 | 1900-09-01 |
| 1916 | 1916-07-04 | 1916-08-21 |
| 1917 | 1917-07-21 | 1917-08-22 |
| 1920 | 1920-06-12 | 1920-09-14 |
| 1921 | 1921-05-20 | 1921-09-02 |
| 1922 | 1922-05-10 | 1922-09-24 |
| 1923 | 1923-05-28 | 1923-09-27 |
| 1924 | 1924-08-26 | 1924-08-30 |
| 1925 | 1925-06-01 | 1925-09-05 |
| 1926 | 1926-05-08 | 1926-08-03 |
| 1927 | 1927-06-28 | 1927-09-15 |
| 1928 | 1928-08-09 | 1928-08-16 |
| 1929 | 1929-05-30 | 1929-09-04 |
| 1930 | 1930-05-21 | 1930-08-31 |
| 1931 | 1931-06-18 | 1931-09-12 |
| 1932 | 1932-05-14 | 1932-08-30 |
| 1933 | 1933-06-05 | 1933-09-05 |
| 1934 | 1934-05-09 | 1934-08-18 |
| 1935 | 1935-07-04 | 1935-08-16 |
| 1936 | 1936-05-06 | 1936-08-17 |
| 1937 | 1937-05-30 | 1937-09-23 |
| 1938 | 1938-06-21 | 1938-08-14 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 22 | 38 | 1921 | 9 |
| 35 C (95 F): Days | 9 | 8 | 1936 | 2 |
| 40 C (104 F): Days | 1 | 1 | 1936 | 1 |
| 90 F (32.2 C): Days | 19 | 21 | 1921 | 3 |
| 100 F (37.8 C): Days | 3 | 5 | 1936 | 5 |
| 0 C (32 F): Ice days (max | 22 | 117 | 1926 | 96 |
| 0 C (32 F): Frost days (min | 23 | 230 | 1917 | 190 |
| -10 C (14 F): Days with min | 23 | 112 | 1926 | 81 |
| -20 C (-4 F): Days with min | 23 | 51 | 1916 | 25 |
| -30 C (-22 F): Days with min | 21 | 12 | 1934 | 3 |
| -40 C (-40 F): Days with min | 6 | 1 | 1920 | 1 |
| 20 C (68 F): Tropical nights (min | 19 | 9 | 1931 | 1 |
| 25 C (77 F): Days with min | 2 | 2 | 1936 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 19 | 53 | 1916 | 21 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 18 | 9 | 1926 | 6 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 10 | 2 | 1916 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 2 | 1 | 1932 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 3 | 8 | 1916 | 5 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 1 | 1 | 1938 | 1 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1900.
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).