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Built 2026-10-18 (18 October 2026)

Fernleigh (St.Helena) Threshold Days by Year

4 fixed thresholds counted per year at Fernleigh (St.Helena) (ASN00055077): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Fernleigh (St.Helena) Thresholds

  • Fernleigh (St.Helena): days with 10 mm (0.39 in) or more of precipitation in 35 years, most in 1921 with 46.
  • Fernleigh (St.Helena): days with 25 mm (0.98 in) or more of precipitation in 35 years, most in 1920 with 20.
  • Fernleigh (St.Helena): days with 50 mm (1.97 in) or more of precipitation in 27 years, most in 1920 with 6.
  • Fernleigh (St.Helena): days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1898 with 1.
  • 4 fixed thresholds have at least one qualifying day at Fernleigh (St.Helena).
35 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Fernleigh (St.Helena) Days per year at Fernleigh (St.Helena) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1921. 02040601890: 331891: 331892: 311893: 311894: 321895: 291896: 271897: 201898: 191899: 171900: 161901: 221902: 181903: 251904: 241905: 211906: 281907: 201908: 251909: 311910: 211911: 291912: 121913: 271914: 231915: 121916: 371917: 291918: 161919: 181920: 381921: 461922: 191923: 131924: 28189018941898190219061910191419181922
Days per year at Fernleigh (St.Helena) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 46 in 1921.
Days with 10 mm (0.39 in) or more of precipitation per year at Fernleigh (St.Helena)
YearDaysDecade average
18903327.2
18913327.2
18923127.2
18933127.2
18943227.2
18952927.2
18962727.2
18972027.2
18981927.2
18991727.2
19001623
19012223
19021823
19032523
19042423
19052123
19062823
19072023
19082523
19093123
19102122.4
19112922.4
19121222.4
19132722.4
19142322.4
19151222.4
19163722.4
19172922.4
19181622.4
19191822.4
19203828.8
19214628.8
19221928.8
19231328.8
19242828.8
First to last qualifying date each year at Fernleigh (St.Helena) For each year, a bar from the first to the last day at Fernleigh (St.Helena) meeting 10 mm (0.39 in). 1890: 13 January 1890 to 30 December 18901891: 11 January 1891 to 31 December 18911892: 1 January 1892 to 31 December 18921893: 23 January 1893 to 14 November 18931894: 6 January 1894 to 29 December 18941895: 5 January 1895 to 26 December 18951896: 17 January 1896 to 15 December 18961897: 4 January 1897 to 21 December 18971898: 2 January 1898 to 25 December 18981899: 12 January 1899 to 7 November 18991900: 7 March 1900 to 5 December 19001901: 2 January 1901 to 21 November 19011902: 10 January 1902 to 19 December 19021903: 6 February 1903 to 22 December 19031904: 3 January 1904 to 18 December 19041905: 5 January 1905 to 15 December 19051906: 12 February 1906 to 24 December 19061907: 14 January 1907 to 28 December 19071908: 8 January 1908 to 22 December 19081909: 19 January 1909 to 24 December 19091910: 11 January 1910 to 18 December 19101911: 12 January 1911 to 5 December 19111912: 6 January 1912 to 27 October 19121913: 2 January 1913 to 19 December 19131914: 4 January 1914 to 31 December 19141915: 15 May 1915 to 31 December 19151916: 16 January 1916 to 31 December 19161917: 12 January 1917 to 13 December 19171918: 11 January 1918 to 26 November 19181919: 7 January 1919 to 28 December 19191920: 4 January 1920 to 25 December 19201921: 28 January 1921 to 30 December 19211922: 7 January 1922 to 27 December 19221923: 14 January 1923 to 27 December 19231924: 21 January 1924 to 7 December 19241890189519001905191019151920JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Fernleigh (St.Helena) meeting 10 mm (0.39 in).
First to last qualifying date each year at Fernleigh (St.Helena)
YearFirst dateLast date
18901890-01-131890-12-30
18911891-01-111891-12-31
18921892-01-011892-12-31
18931893-01-231893-11-14
18941894-01-061894-12-29
18951895-01-051895-12-26
18961896-01-171896-12-15
18971897-01-041897-12-21
18981898-01-021898-12-25
18991899-01-121899-11-07
19001900-03-071900-12-05
19011901-01-021901-11-21
19021902-01-101902-12-19
19031903-02-061903-12-22
19041904-01-031904-12-18
19051905-01-051905-12-15
19061906-02-121906-12-24
19071907-01-141907-12-28
19081908-01-081908-12-22
19091909-01-191909-12-24
19101910-01-111910-12-18
19111911-01-121911-12-05
19121912-01-061912-10-27
19131913-01-021913-12-19
19141914-01-041914-12-31
19151915-05-151915-12-31
19161916-01-161916-12-31
19171917-01-121917-12-13
19181918-01-111918-11-26
19191919-01-071919-12-28
19201920-01-041920-12-25
19211921-01-281921-12-30
19221922-01-071922-12-27
19231923-01-141923-12-27
19241924-01-211924-12-07

Every Fixed Threshold

Fixed thresholds at Fernleigh (St.Helena)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3546192128
25 mm (0.98 in): Days with 25 mm or more rain3520192011
50 mm (1.97 in): Days with 50 mm or more rain27619201
100 mm (3.94 in): Days with 100 mm or more rain4118981

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1890.

Download the Data

  • Data for Fernleigh (St.Helena) 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).