Surbiton Threshold Days by Year (CA004057920)
4 fixed thresholds counted per year at Surbiton (CA004057920): hot days, frost, tropical nights and heavy rain, with the most days in a year.
Key Facts for Surbiton Thresholds
- Surbiton: days with 10 mm (0.39 in) or more of precipitation in 12 years, most in 1923 with 11.
- Surbiton: days with 25 mm (0.98 in) or more of precipitation in 8 years, most in 1920 with 5.
- Surbiton: days with 10 cm (3.9 in) or more of snowfall in 4 years, most in 1956 with 5.
- Surbiton: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1923 with 2.
- 4 fixed thresholds have at least one qualifying day at Surbiton.
Days with 10 mm (0.39 in) or more of precipitation
12 years with a qualifying day| Year | Days | Decade average |
|---|---|---|
| 1917 | 3 | 4.3 |
| 1918 | 3 | 4.3 |
| 1919 | 7 | 4.3 |
| 1920 | 7 | 8 |
| 1921 | 7 | 8 |
| 1922 | 7 | 8 |
| 1923 | 11 | 8 |
| 1955 | 11 | 9 |
| 1956 | 10 | 9 |
| 1957 | 6 | 9 |
| 1960 | 4 | 6.5 |
| 1965 | 9 | 6.5 |
| Year | First date | Last date |
|---|---|---|
| 1917 | 1917-06-24 | 1917-08-07 |
| 1918 | 1918-07-27 | 1918-08-31 |
| 1919 | 1919-05-02 | 1919-08-14 |
| 1920 | 1920-07-22 | 1920-10-18 |
| 1921 | 1921-05-22 | 1921-07-28 |
| 1922 | 1922-05-11 | 1922-08-16 |
| 1923 | 1923-04-30 | 1923-07-20 |
| 1955 | 1955-04-14 | 1955-09-20 |
| 1956 | 1956-01-27 | 1956-12-03 |
| 1957 | 1957-04-23 | 1957-12-21 |
| 1960 | 1960-01-12 | 1960-12-14 |
| 1965 | 1965-04-21 | 1965-09-14 |
Every Fixed Threshold
| Threshold | Years with a qualifying day | Most days in a year | Year | Latest year days |
|---|---|---|---|---|
| 10 mm (0.39 in): Days with 10 mm or more rain | 12 | 11 | 1923 | 9 |
| 25 mm (0.98 in): Days with 25 mm or more rain | 8 | 5 | 1920 | 1 |
| 50 mm (1.97 in): Days with 50 mm or more rain | 3 | 2 | 1923 | 2 |
| 10 cm (3.9 in): Days with 10 cm or more snowfall | 4 | 5 | 1956 | 2 |
Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1917.
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).