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Built 2026-10-19 (19 October 2026)

Upper Copmanhurst Threshold Days by Year (ASN00058190)

4 fixed thresholds counted per year at Upper Copmanhurst (ASN00058190): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Upper Copmanhurst Thresholds

  • Upper Copmanhurst: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1890 with 47.
  • Upper Copmanhurst: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1890 with 21.
  • Upper Copmanhurst: days with 50 mm (1.97 in) or more of precipitation in 26 years, most in 1890 with 13.
  • Upper Copmanhurst: days with 100 mm (3.94 in) or more of precipitation in 11 years, most in 1893 with 3.
  • 4 fixed thresholds have at least one qualifying day at Upper Copmanhurst.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Upper Copmanhurst Days per year at Upper Copmanhurst with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1890. 02040601889: 361890: 471891: 381892: 391893: 381894: 341895: 251896: 311897: 271898: 311899: 291900: 201901: 211902: 211903: 351904: 291905: 281906: 281907: 311908: 281909: 271910: 281911: 361912: 231913: 291914: 321915: 121916: 341917: 271918: 211889189218951898190119041907191019131916
Days per year at Upper Copmanhurst with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 47 in 1890.
Days with 10 mm (0.39 in) or more of precipitation per year at Upper Copmanhurst
YearDaysDecade average
18893636
18904733.9
18913833.9
18923933.9
18933833.9
18943433.9
18952533.9
18963133.9
18972733.9
18983133.9
18992933.9
19002026.8
19012126.8
19022126.8
19033526.8
19042926.8
19052826.8
19062826.8
19073126.8
19082826.8
19092726.8
19102826.9
19113626.9
19122326.9
19132926.9
19143226.9
19151226.9
19163426.9
19172726.9
19182126.9
First to last qualifying date each year at Upper Copmanhurst For each year, a bar from the first to the last day at Upper Copmanhurst meeting 10 mm (0.39 in). 1889: 22 January 1889 to 25 December 18891890: 13 January 1890 to 29 December 18901891: 11 January 1891 to 17 December 18911892: 8 January 1892 to 28 December 18921893: 1 January 1893 to 21 November 18931894: 2 January 1894 to 31 December 18941895: 1 January 1895 to 31 December 18951896: 22 January 1896 to 21 December 18961897: 16 January 1897 to 31 December 18971898: 2 January 1898 to 30 December 18981899: 8 January 1899 to 31 December 18991900: 9 January 1900 to 22 December 19001901: 22 January 1901 to 11 October 19011902: 3 January 1902 to 18 December 19021903: 11 January 1903 to 23 December 19031904: 23 January 1904 to 22 December 19041905: 16 January 1905 to 29 December 19051906: 9 January 1906 to 25 December 19061907: 3 January 1907 to 20 December 19071908: 8 January 1908 to 12 December 19081909: 18 February 1909 to 28 December 19091910: 13 January 1910 to 27 December 19101911: 3 January 1911 to 3 December 19111912: 9 February 1912 to 21 December 19121913: 5 January 1913 to 20 December 19131914: 10 January 1914 to 31 December 19141915: 2 January 1915 to 10 December 19151916: 11 January 1916 to 28 December 19161917: 24 January 1917 to 13 December 19171918: 2 January 1918 to 17 December 191818891893189719011905190919131917JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Upper Copmanhurst meeting 10 mm (0.39 in).
First to last qualifying date each year at Upper Copmanhurst
YearFirst dateLast date
18891889-01-221889-12-25
18901890-01-131890-12-29
18911891-01-111891-12-17
18921892-01-081892-12-28
18931893-01-011893-11-21
18941894-01-021894-12-31
18951895-01-011895-12-31
18961896-01-221896-12-21
18971897-01-161897-12-31
18981898-01-021898-12-30
18991899-01-081899-12-31
19001900-01-091900-12-22
19011901-01-221901-10-11
19021902-01-031902-12-18
19031903-01-111903-12-23
19041904-01-231904-12-22
19051905-01-161905-12-29
19061906-01-091906-12-25
19071907-01-031907-12-20
19081908-01-081908-12-12
19091909-02-181909-12-28
19101910-01-131910-12-27
19111911-01-031911-12-03
19121912-02-091912-12-21
19131913-01-051913-12-20
19141914-01-101914-12-31
19151915-01-021915-12-10
19161916-01-111916-12-28
19171917-01-241917-12-13
19181918-01-021918-12-17

Every Fixed Threshold

Fixed thresholds at Upper Copmanhurst
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3047189021
25 mm (0.98 in): Days with 25 mm or more rain302118904
50 mm (1.97 in): Days with 50 mm or more rain261318903
100 mm (3.94 in): Days with 100 mm or more rain11318931

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1889.

Download the Data

  • Data for Upper Copmanhurst 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).