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Data as of 2025-12-31
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Built 2026-10-17 (17 October 2026)

Westholme Threshold Days by Year

3 fixed thresholds counted per year at Westholme (ASN00010652): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Westholme Thresholds

  • Westholme: days with 10 mm (0.39 in) or more of precipitation in 29 years, most in 1917 with 19.
  • Westholme: days with 25 mm (0.98 in) or more of precipitation in 28 years, most in 1917 with 5.
  • Westholme: days with 50 mm (1.97 in) or more of precipitation in 5 years, most in 1923 with 1.
  • 3 fixed thresholds have at least one qualifying day at Westholme.
29 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Westholme Days per year at Westholme with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1917. 051015201915: 121916: 131917: 191918: 111919: 121920: 161921: 71922: 91923: 111924: 91926: 141927: 81928: 61929: 101930: 131931: 91932: 141933: 71934: 101935: 121936: 101937: 71938: 81939: 151940: 71941: 91942: 141943: 161944: 41915191819211924192819311934193719401943
Days per year at Westholme with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 19 in 1917.
Days with 10 mm (0.39 in) or more of precipitation per year at Westholme
YearDaysDecade average
19151213.4
19161313.4
19171913.4
19181113.4
19191213.4
19201610
1921710
1922910
19231110
1924910
19261410
1927810
1928610
19291010
19301310.5
1931910.5
19321410.5
1933710.5
19341010.5
19351210.5
19361010.5
1937710.5
1938810.5
19391510.5
1940710
1941910
19421410
19431610
1944410
First to last qualifying date each year at Westholme For each year, a bar from the first to the last day at Westholme meeting 10 mm (0.39 in). 1915: 21 February 1915 to 29 August 19151916: 21 January 1916 to 5 October 19161917: 16 March 1917 to 1 October 19171918: 16 February 1918 to 17 October 19181919: 30 March 1919 to 4 November 19191920: 23 February 1920 to 25 November 19201921: 8 May 1921 to 29 October 19211922: 24 February 1922 to 17 September 19221923: 20 January 1923 to 17 September 19231924: 14 May 1924 to 10 October 19241926: 5 February 1926 to 4 October 19261927: 13 March 1927 to 7 October 19271928: 20 April 1928 to 5 August 19281929: 17 March 1929 to 15 November 19291930: 15 April 1930 to 16 August 19301931: 4 May 1931 to 16 December 19311932: 18 January 1932 to 23 October 19321933: 7 March 1933 to 30 August 19331934: 9 March 1934 to 4 November 19341935: 6 January 1935 to 19 October 19351936: 15 April 1936 to 19 December 19361937: 19 April 1937 to 13 November 19371938: 16 January 1938 to 2 November 19381939: 13 February 1939 to 1 November 19391940: 23 January 1940 to 3 December 19401941: 13 April 1941 to 13 December 19411942: 14 March 1942 to 1 December 19421943: 31 January 1943 to 19 September 19431944: 18 May 1944 to 11 August 194419151919192319281932193619401944JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Westholme meeting 10 mm (0.39 in).
First to last qualifying date each year at Westholme
YearFirst dateLast date
19151915-02-211915-08-29
19161916-01-211916-10-05
19171917-03-161917-10-01
19181918-02-161918-10-17
19191919-03-301919-11-04
19201920-02-231920-11-25
19211921-05-081921-10-29
19221922-02-241922-09-17
19231923-01-201923-09-17
19241924-05-141924-10-10
19261926-02-051926-10-04
19271927-03-131927-10-07
19281928-04-201928-08-05
19291929-03-171929-11-15
19301930-04-151930-08-16
19311931-05-041931-12-16
19321932-01-181932-10-23
19331933-03-071933-08-30
19341934-03-091934-11-04
19351935-01-061935-10-19
19361936-04-151936-12-19
19371937-04-191937-11-13
19381938-01-161938-11-02
19391939-02-131939-11-01
19401940-01-231940-12-03
19411941-04-131941-12-13
19421942-03-141942-12-01
19431943-01-311943-09-19
19441944-05-181944-08-11

Every Fixed Threshold

Fixed thresholds at Westholme
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain291919174
25 mm (0.98 in): Days with 25 mm or more rain28519171
50 mm (1.97 in): Days with 50 mm or more rain5119231

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1915.

Download the Data

  • Data for Westholme 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 2026-10-15 (15 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).