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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

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.
12 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Surbiton Days per year at Surbiton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 11 in 1923. 0510151917: 31918: 31919: 71920: 71921: 71922: 71923: 111955: 111956: 101957: 61960: 41965: 9191719191921192319561960
Days per year at Surbiton with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 11 in 1923.
Days with 10 mm (0.39 in) or more of precipitation per year at Surbiton
YearDaysDecade average
191734.3
191834.3
191974.3
192078
192178
192278
1923118
1955119
1956109
195769
196046.5
196596.5
First to last qualifying date each year at Surbiton For each year, a bar from the first to the last day at Surbiton meeting 10 mm (0.39 in). 1917: 24 June 1917 to 7 August 19171918: 27 July 1918 to 31 August 19181919: 2 May 1919 to 14 August 19191920: 22 July 1920 to 18 October 19201921: 22 May 1921 to 28 July 19211922: 11 May 1922 to 16 August 19221923: 30 April 1923 to 20 July 19231955: 14 April 1955 to 20 September 19551956: 27 January 1956 to 3 December 19561957: 23 April 1957 to 21 December 19571960: 12 January 1960 to 14 December 19601965: 21 April 1965 to 14 September 1965191719191921192319561960JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Surbiton meeting 10 mm (0.39 in).
First to last qualifying date each year at Surbiton
YearFirst dateLast date
19171917-06-241917-08-07
19181918-07-271918-08-31
19191919-05-021919-08-14
19201920-07-221920-10-18
19211921-05-221921-07-28
19221922-05-111922-08-16
19231923-04-301923-07-20
19551955-04-141955-09-20
19561956-01-271956-12-03
19571957-04-231957-12-21
19601960-01-121960-12-14
19651965-04-211965-09-14

Every Fixed Threshold

Fixed thresholds at Surbiton
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain121119239
25 mm (0.98 in): Days with 25 mm or more rain8519201
50 mm (1.97 in): Days with 50 mm or more rain3219232
10 cm (3.9 in): Days with 10 cm or more snowfall4519562

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

  • Data for Surbiton threshold days by year: CSV or JSON. Field meanings are on the data page.

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).