Middleton Threshold Days by Year (CA008203550)
15 fixed thresholds counted per year at Middleton (CA008203550): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Middleton Thresholds
- Middleton: days with a maximum temperature at or below 0 C (32 F) in 15 years, most in 1940 with 71.
- Middleton: nights with a minimum temperature at or below 0 C (32 F) in 15 years, most in 1939 with 200.
- Middleton: nights with a minimum temperature at or below -10 C (14 F) in 15 years, most in 1934 with 80.
- Middleton: nights with a minimum temperature at or below -20 C (-4 F) in 15 years, most in 1934 with 19.
- 15 fixed thresholds have at least one qualifying day at Middleton.
Days at or above 30 C (86 F)
14 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1915 | 8 | 15 |
| 1916 | 22 | 15 |
| 1934 | 3 | 9 |
| 1935 | 10 | 9 |
| 1937 | 17 | 9 |
| 1938 | 4 | 9 |
| 1939 | 11 | 9 |
| 1940 | 5 | 6.6 |
| 1941 | 5 | 6.6 |
| 1942 | 6 | 6.6 |
| 1943 | 6 | 6.6 |
| 1944 | 14 | 6.6 |
| 1945 | 6 | 6.6 |
| 1946 | 4 | 6.6 |
| Year | First date | Last date |
|---|---|---|
| 1915 | 1915-06-20 | 1915-09-18 |
| 1916 | 1916-06-28 | 1916-09-02 |
| 1934 | 1934-07-03 | 1934-09-05 |
| 1935 | 1935-07-12 | 1935-08-21 |
| 1937 | 1937-06-01 | 1937-09-04 |
| 1938 | 1938-08-01 | 1938-08-17 |
| 1939 | 1939-07-05 | 1939-08-25 |
| 1940 | 1940-07-08 | 1940-08-18 |
| 1941 | 1941-06-21 | 1941-08-09 |
| 1942 | 1942-07-14 | 1942-09-02 |
| 1943 | 1943-06-25 | 1943-08-02 |
| 1944 | 1944-06-01 | 1944-08-17 |
| 1945 | 1945-07-01 | 1945-09-08 |
| 1946 | 1946-06-27 | 1946-08-06 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 30 C (86 F): Days | 14 | 22 | 1916 | 4 |
| 35 C (95 F): Days | 3 | 3 | 1935 | 3 |
| 90 F (32.2 C): Days | 11 | 8 | 1944 | 1 |
| 0 C (32 F): Ice days (max | 15 | 71 | 1940 | 58 |
| 0 C (32 F): Frost days (min | 15 | 200 | 1939 | 188 |
| -10 C (14 F): Days with min | 15 | 80 | 1934 | 56 |
| -20 C (-4 F): Days with min | 15 | 19 | 1934 | 7 |
| -30 C (-22 F): Days with min | 2 | 2 | 1934 | 2 |
| 20 C (68 F): Tropical nights (min | 9 | 6 | 1938 | 1 |
| 10 mm (0.39 in): Days with 10 mm or more rain | 15 | 59 | 1945 | 34 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 15 | 12 | 1916 | 4 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 9 | 3 | 1915 | 1 |
| 100 mm (3.94 in): Days with 100 mm or more rain | 1 | 1 | 1943 | 1 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 15 | 15 | 1945 | 9 |
| 25 cm (9.8 in): Days with 25 cm or more snowfall | 7 | 5 | 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 1915.
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).