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Built 2026-10-18 (18 October 2026)

Thorndale Threshold Days by Year

4 fixed thresholds counted per year at Thorndale (ASN00051111): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Thorndale Thresholds

  • Thorndale: days with 10 mm (0.39 in) or more of precipitation in 28 years, most in 1890 with 26.
  • Thorndale: days with 25 mm (0.98 in) or more of precipitation in 27 years, most in 1889 with 10.
  • Thorndale: days with 50 mm (1.97 in) or more of precipitation in 14 years, most in 1882 with 2.
  • Thorndale: days with 100 mm (3.94 in) or more of precipitation in 1 years, most in 1891 with 1.
  • 4 fixed thresholds have at least one qualifying day at Thorndale.
28 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Thorndale Days per year at Thorndale with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1890. 01020301881: 151882: 151883: 101884: 101885: 191886: 191887: 231888: 41889: 231890: 261891: 261892: 131893: 171894: 211895: 161896: 111897: 131900: 91902: 91903: 131905: 141906: 231908: 111911: 221912: 101913: 121914: 151916: 171881188418871890189318961902190619121916
Days per year at Thorndale with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 26 in 1890.
Days with 10 mm (0.39 in) or more of precipitation per year at Thorndale
YearDaysDecade average
18811515.3
18821515.3
18831015.3
18841015.3
18851915.3
18861915.3
18872315.3
1888415.3
18892315.3
18902617.9
18912617.9
18921317.9
18931717.9
18942117.9
18951617.9
18961117.9
18971317.9
1900913.2
1902913.2
19031313.2
19051413.2
19062313.2
19081113.2
19112215.2
19121015.2
19131215.2
19141515.2
19161715.2
First to last qualifying date each year at Thorndale For each year, a bar from the first to the last day at Thorndale meeting 10 mm (0.39 in). 1881: 12 January 1881 to 14 November 18811882: 5 February 1882 to 23 December 18821883: 11 February 1883 to 29 November 18831884: 19 April 1884 to 14 December 18841885: 6 January 1885 to 24 December 18851886: 2 January 1886 to 13 December 18861887: 25 January 1887 to 20 December 18871888: 4 May 1888 to 20 December 18881889: 4 January 1889 to 20 December 18891890: 12 January 1890 to 8 December 18901891: 6 January 1891 to 4 December 18911892: 8 February 1892 to 21 November 18921893: 2 March 1893 to 21 November 18931894: 5 January 1894 to 28 December 18941895: 5 January 1895 to 11 December 18951896: 24 January 1896 to 2 December 18961897: 9 January 1897 to 11 October 18971900: 6 March 1900 to 20 December 19001902: 11 March 1902 to 17 December 19021903: 26 January 1903 to 12 November 19031905: 3 March 1905 to 31 December 19051906: 1 January 1906 to 18 December 19061908: 1 February 1908 to 12 December 19081911: 13 January 1911 to 16 December 19111912: 13 January 1912 to 28 November 19121913: 18 January 1913 to 25 December 19131914: 4 February 1914 to 31 December 19141916: 29 January 1916 to 12 December 19161881188518891893189719051912JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Thorndale meeting 10 mm (0.39 in).
First to last qualifying date each year at Thorndale
YearFirst dateLast date
18811881-01-121881-11-14
18821882-02-051882-12-23
18831883-02-111883-11-29
18841884-04-191884-12-14
18851885-01-061885-12-24
18861886-01-021886-12-13
18871887-01-251887-12-20
18881888-05-041888-12-20
18891889-01-041889-12-20
18901890-01-121890-12-08
18911891-01-061891-12-04
18921892-02-081892-11-21
18931893-03-021893-11-21
18941894-01-051894-12-28
18951895-01-051895-12-11
18961896-01-241896-12-02
18971897-01-091897-10-11
19001900-03-061900-12-20
19021902-03-111902-12-17
19031903-01-261903-11-12
19051905-03-031905-12-31
19061906-01-011906-12-18
19081908-02-011908-12-12
19111911-01-131911-12-16
19121912-01-131912-11-28
19131913-01-181913-12-25
19141914-02-041914-12-31
19161916-01-291916-12-12

Every Fixed Threshold

Fixed thresholds at Thorndale
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2826189017
25 mm (0.98 in): Days with 25 mm or more rain271018896
50 mm (1.97 in): Days with 50 mm or more rain14218821
100 mm (3.94 in): Days with 100 mm or more rain1118911

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1881.

Download the Data

  • Data for Thorndale 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).