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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Highcroft Threshold Days by Year (ASN00094028)

4 fixed thresholds counted per year at Highcroft (ASN00094028): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Highcroft Thresholds

  • Highcroft: days with 10 mm (0.39 in) or more of precipitation in 23 years, most in 1935 with 43.
  • Highcroft: days with 25 mm (0.98 in) or more of precipitation in 23 years, most in 1931 with 14.
  • Highcroft: days with 50 mm (1.97 in) or more of precipitation in 16 years, most in 1935 with 6.
  • Highcroft: days with 100 mm (3.94 in) or more of precipitation in 4 years, most in 1929 with 1.
  • 4 fixed thresholds have at least one qualifying day at Highcroft.
23 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Highcroft Days per year at Highcroft with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1935. 02040601918: 341919: 171920: 231924: 251925: 301929: 351931: 371932: 301933: 221934: 301935: 431936: 321937: 321938: 291941: 301942: 181943: 281944: 321945: 221946: 351947: 411948: 191950: 2719181924193119341937194219451948
Days per year at Highcroft with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 43 in 1935.
Days with 10 mm (0.39 in) or more of precipitation per year at Highcroft
YearDaysDecade average
19183425.5
19191725.5
19202328.3
19242528.3
19253028.3
19293528.3
19313731.9
19323031.9
19332231.9
19343031.9
19354331.9
19363231.9
19373231.9
19382931.9
19413028.1
19421828.1
19432828.1
19443228.1
19452228.1
19463528.1
19474128.1
19481928.1
19502727
First to last qualifying date each year at Highcroft For each year, a bar from the first to the last day at Highcroft meeting 10 mm (0.39 in). 1918: 16 January 1918 to 21 December 19181919: 17 February 1919 to 4 November 19191920: 26 January 1920 to 16 December 19201924: 27 January 1924 to 30 December 19241925: 16 January 1925 to 27 December 19251929: 27 January 1929 to 24 December 19291931: 11 January 1931 to 16 December 19311932: 10 March 1932 to 24 December 19321933: 4 January 1933 to 17 December 19331934: 10 January 1934 to 30 December 19341935: 3 January 1935 to 25 December 19351936: 19 February 1936 to 21 December 19361937: 2 January 1937 to 18 December 19371938: 2 January 1938 to 23 December 19381941: 17 January 1941 to 6 December 19411942: 20 January 1942 to 23 December 19421943: 13 January 1943 to 4 December 19431944: 3 January 1944 to 22 December 19441945: 16 January 1945 to 15 December 19451946: 19 February 1946 to 29 December 19461947: 7 January 1947 to 31 December 19471948: 15 January 1948 to 28 December 19481950: 10 January 1950 to 30 December 195019181924193119341937194219451948JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Highcroft meeting 10 mm (0.39 in).
First to last qualifying date each year at Highcroft
YearFirst dateLast date
19181918-01-161918-12-21
19191919-02-171919-11-04
19201920-01-261920-12-16
19241924-01-271924-12-30
19251925-01-161925-12-27
19291929-01-271929-12-24
19311931-01-111931-12-16
19321932-03-101932-12-24
19331933-01-041933-12-17
19341934-01-101934-12-30
19351935-01-031935-12-25
19361936-02-191936-12-21
19371937-01-021937-12-18
19381938-01-021938-12-23
19411941-01-171941-12-06
19421942-01-201942-12-23
19431943-01-131943-12-04
19441944-01-031944-12-22
19451945-01-161945-12-15
19461946-02-191946-12-29
19471947-01-071947-12-31
19481948-01-151948-12-28
19501950-01-101950-12-30

Every Fixed Threshold

Fixed thresholds at Highcroft
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2343193527
25 mm (0.98 in): Days with 25 mm or more rain231419316
50 mm (1.97 in): Days with 50 mm or more rain16619351
100 mm (3.94 in): Days with 100 mm or more rain4119291

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1918.

Download the Data

  • Data for Highcroft 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).