Built 2026-10-19 (19 October 2026)

Herschel Threshold Days by Year (SF001762770)

3 fixed thresholds counted per year at Herschel (SF001762770): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Herschel Thresholds

  • Herschel: days with 10 mm (0.39 in) or more of precipitation in 63 years, most in 1907 with 39.
  • Herschel: days with 25 mm (0.98 in) or more of precipitation in 62 years, most in 1909 with 13.
  • Herschel: days with 50 mm (1.97 in) or more of precipitation in 31 years, most in 1890 with 3.
  • 3 fixed thresholds have at least one qualifying day at Herschel.
63 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Herschel Days per year at Herschel with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1907. 0102030401883: 161885: 171886: 161888: 261889: 181890: 271891: 361892: 301893: 361894: 311895: 231896: 261897: 151898: 191900: 261901: 241902: 281903: 121904: 241905: 271906: 281907: 391908: 221909: 311910: 231911: 261912: 241913: 231914: 231915: 191916: 261917: 121918: 171919: 151920: 201921: 281922: 131923: 271924: 291926: 151927: 201928: 251929: 261930: 171931: 261932: 131933: 191934: 251935: 171936: 201937: 171938: 301940: 281941: 211943: 351944: 221945: 181946: 211947: 211948: 271949: 181950: 311951: 18188318921900190719141921192919361945
Days per year at Herschel with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 39 in 1907.
Days with 10 mm (0.39 in) or more of precipitation per year at Herschel
YearDaysDecade average
18831618.6
18851718.6
18861618.6
18882618.6
18891818.6
18902727
18913627
18923027
18933627
18943127
18952327
18962627
18971527
18981927
19002626.1
19012426.1
19022826.1
19031226.1
19042426.1
19052726.1
19062826.1
19073926.1
19082226.1
19093126.1
19102320.8
19112620.8
19122420.8
19132320.8
19142320.8
19151920.8
19162620.8
19171220.8
19181720.8
19191520.8
19202022.6
19212822.6
19221322.6
19232722.6
19242922.6
19261522.6
19272022.6
19282522.6
19292622.6
19301720.4
19312620.4
19321320.4
19331920.4
19342520.4
19351720.4
19362020.4
19371720.4
19383020.4
19402823.4
19412123.4
19433523.4
19442223.4
19451823.4
19462123.4
19472123.4
19482723.4
19491823.4
19503124.5
19511824.5
First to last qualifying date each year at Herschel For each year, a bar from the first to the last day at Herschel meeting 10 mm (0.39 in). 1883: 2 January 1883 to 29 November 18831885: 18 January 1885 to 28 December 18851886: 16 January 1886 to 19 December 18861888: 5 January 1888 to 19 December 18881889: 4 January 1889 to 20 December 18891890: 8 January 1890 to 26 December 18901891: 3 January 1891 to 21 December 18911892: 12 January 1892 to 13 December 18921893: 7 January 1893 to 31 December 18931894: 2 January 1894 to 27 December 18941895: 1 January 1895 to 28 December 18951896: 14 January 1896 to 30 December 18961897: 4 January 1897 to 16 October 18971898: 2 January 1898 to 28 November 18981900: 8 January 1900 to 20 December 19001901: 11 January 1901 to 1 December 19011902: 21 January 1902 to 24 December 19021903: 2 February 1903 to 28 November 19031904: 3 January 1904 to 15 November 19041905: 1 January 1905 to 30 December 19051906: 7 January 1906 to 29 December 19061907: 5 January 1907 to 31 December 19071908: 10 January 1908 to 20 December 19081909: 7 January 1909 to 26 December 19091910: 18 January 1910 to 21 December 19101911: 4 January 1911 to 10 December 19111912: 3 January 1912 to 30 December 19121913: 1 January 1913 to 12 October 19131914: 16 February 1914 to 16 December 19141915: 13 January 1915 to 22 November 19151916: 3 January 1916 to 29 December 19161917: 19 February 1917 to 30 December 19171918: 14 January 1918 to 30 December 19181919: 31 January 1919 to 28 November 19191920: 19 January 1920 to 19 December 19201921: 9 January 1921 to 28 December 19211922: 9 January 1922 to 18 December 19221923: 9 January 1923 to 20 November 19231924: 10 January 1924 to 9 December 19241926: 1 February 1926 to 2 December 19261927: 21 January 1927 to 28 December 19271928: 4 January 1928 to 26 December 19281929: 19 January 1929 to 29 December 19291930: 2 January 1930 to 7 October 19301931: 2 January 1931 to 31 December 19311932: 14 January 1932 to 25 December 19321933: 2 January 1933 to 31 December 19331934: 1 January 1934 to 5 December 19341935: 13 January 1935 to 23 December 19351936: 8 January 1936 to 27 December 19361937: 11 January 1937 to 24 December 19371938: 17 January 1938 to 11 December 19381940: 4 February 1940 to 24 December 19401941: 15 January 1941 to 29 October 19411943: 15 January 1943 to 30 December 19431944: 1 January 1944 to 15 November 19441945: 6 January 1945 to 30 December 19451946: 7 January 1946 to 19 December 19461947: 14 January 1947 to 29 December 19471948: 2 January 1948 to 22 October 19481949: 30 January 1949 to 28 December 19491950: 5 January 1950 to 28 December 19501951: 1 January 1951 to 6 November 195118831893190219101918192719351945JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Herschel meeting 10 mm (0.39 in).
First to last qualifying date each year at Herschel
YearFirst dateLast date
18831883-01-021883-11-29
18851885-01-181885-12-28
18861886-01-161886-12-19
18881888-01-051888-12-19
18891889-01-041889-12-20
18901890-01-081890-12-26
18911891-01-031891-12-21
18921892-01-121892-12-13
18931893-01-071893-12-31
18941894-01-021894-12-27
18951895-01-011895-12-28
18961896-01-141896-12-30
18971897-01-041897-10-16
18981898-01-021898-11-28
19001900-01-081900-12-20
19011901-01-111901-12-01
19021902-01-211902-12-24
19031903-02-021903-11-28
19041904-01-031904-11-15
19051905-01-011905-12-30
19061906-01-071906-12-29
19071907-01-051907-12-31
19081908-01-101908-12-20
19091909-01-071909-12-26
19101910-01-181910-12-21
19111911-01-041911-12-10
19121912-01-031912-12-30
19131913-01-011913-10-12
19141914-02-161914-12-16
19151915-01-131915-11-22
19161916-01-031916-12-29
19171917-02-191917-12-30
19181918-01-141918-12-30
19191919-01-311919-11-28
19201920-01-191920-12-19
19211921-01-091921-12-28
19221922-01-091922-12-18
19231923-01-091923-11-20
19241924-01-101924-12-09
19261926-02-011926-12-02
19271927-01-211927-12-28
19281928-01-041928-12-26
19291929-01-191929-12-29
19301930-01-021930-10-07
19311931-01-021931-12-31
19321932-01-141932-12-25
19331933-01-021933-12-31
19341934-01-011934-12-05
19351935-01-131935-12-23
19361936-01-081936-12-27
19371937-01-111937-12-24
19381938-01-171938-12-11
19401940-02-041940-12-24
19411941-01-151941-10-29
19431943-01-151943-12-30
19441944-01-011944-11-15
19451945-01-061945-12-30
19461946-01-071946-12-19
19471947-01-141947-12-29
19481948-01-021948-10-22
19491949-01-301949-12-28
19501950-01-051950-12-28
19511951-01-011951-11-06

Every Fixed Threshold

Fixed thresholds at Herschel
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain6339190718
25 mm (0.98 in): Days with 25 mm or more rain621319093
50 mm (1.97 in): Days with 50 mm or more rain31318901

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1883.

Download the Data

  • Data for Herschel 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).