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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Sunninghill Threshold Days by Year

3 fixed thresholds counted per year at Sunninghill (ASN00010780): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Sunninghill Thresholds

  • Sunninghill: days with 10 mm (0.39 in) or more of precipitation in 11 years, most in 1917 with 23.
  • Sunninghill: days with 25 mm (0.98 in) or more of precipitation in 11 years, most in 1907 with 4.
  • Sunninghill: days with 50 mm (1.97 in) or more of precipitation in 1 years, most in 1908 with 1.
  • 3 fixed thresholds have at least one qualifying day at Sunninghill.
11 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Sunninghill Days per year at Sunninghill with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1917. 01020301907: 151908: 91909: 161910: 201911: 111912: 151913: 151915: 171916: 131917: 231918: 17190719091911191319161918
Days per year at Sunninghill with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 23 in 1917.
Days with 10 mm (0.39 in) or more of precipitation per year at Sunninghill
YearDaysDecade average
19071513.3
1908913.3
19091613.3
19102016.4
19111116.4
19121516.4
19131516.4
19151716.4
19161316.4
19172316.4
19181716.4
First to last qualifying date each year at Sunninghill For each year, a bar from the first to the last day at Sunninghill meeting 10 mm (0.39 in). 1907: 4 January 1907 to 8 September 19071908: 3 May 1908 to 19 July 19081909: 9 April 1909 to 12 November 19091910: 15 April 1910 to 16 October 19101911: 27 April 1911 to 19 October 19111912: 6 May 1912 to 29 December 19121913: 11 April 1913 to 20 December 19131915: 4 January 1915 to 10 October 19151916: 29 January 1916 to 23 November 19161917: 8 April 1917 to 1 October 19171918: 15 February 1918 to 22 October 1918190719091911191319161918JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Sunninghill meeting 10 mm (0.39 in).
First to last qualifying date each year at Sunninghill
YearFirst dateLast date
19071907-01-041907-09-08
19081908-05-031908-07-19
19091909-04-091909-11-12
19101910-04-151910-10-16
19111911-04-271911-10-19
19121912-05-061912-12-29
19131913-04-111913-12-20
19151915-01-041915-10-10
19161916-01-291916-11-23
19171917-04-081917-10-01
19181918-02-151918-10-22

Every Fixed Threshold

Fixed thresholds at Sunninghill
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1123191717
25 mm (0.98 in): Days with 25 mm or more rain11419072
50 mm (1.97 in): Days with 50 mm or more rain1119081

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

  • Data for Sunninghill 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).