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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Courela (Challner) Threshold Days by Year

3 fixed thresholds counted per year at Courela (Challner) (ASN00018021): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Courela (Challner) Thresholds

  • Courela (Challner): days with 10 mm (0.39 in) or more of precipitation in 50 years, most in 1956 with 15.
  • Courela (Challner): days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1913 with 3.
  • Courela (Challner): days with 50 mm (1.97 in) or more of precipitation in 4 years, most in 1938 with 2.
  • 3 fixed thresholds have at least one qualifying day at Courela (Challner).
50 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Courela (Challner) Days per year at Courela (Challner) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 15 in 1956. 0510151912: 41913: 71914: 41915: 101916: 101917: 101918: 61919: 61920: 101921: 81927: 81928: 51929: 71930: 31931: 101932: 111933: 51934: 41935: 101936: 51937: 121938: 91939: 81940: 41941: 91942: 131943: 71944: 31945: 51946: 81947: 81948: 41949: 101950: 61951: 131952: 71953: 111954: 71955: 81956: 151957: 41958: 121959: 41960: 101961: 61962: 51963: 91964: 101965: 71966: 91912191719271932193719421947195219571962
Days per year at Courela (Challner) with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 15 in 1956.
Days with 10 mm (0.39 in) or more of precipitation per year at Courela (Challner)
YearDaysDecade average
191247.1
191377.1
191447.1
1915107.1
1916107.1
1917107.1
191867.1
191967.1
1920107.6
192187.6
192787.6
192857.6
192977.6
193037.7
1931107.7
1932117.7
193357.7
193447.7
1935107.7
193657.7
1937127.7
193897.7
193987.7
194047.1
194197.1
1942137.1
194377.1
194437.1
194557.1
194687.1
194787.1
194847.1
1949107.1
195068.7
1951138.7
195278.7
1953118.7
195478.7
195588.7
1956158.7
195748.7
1958128.7
195948.7
1960108
196168
196258
196398
1964108
196578
196698
First to last qualifying date each year at Courela (Challner) For each year, a bar from the first to the last day at Courela (Challner) meeting 10 mm (0.39 in). 1912: 23 February 1912 to 18 September 19121913: 15 February 1913 to 28 October 19131914: 12 March 1914 to 17 November 19141915: 11 April 1915 to 19 September 19151916: 3 June 1916 to 22 October 19161917: 9 January 1917 to 12 September 19171918: 5 March 1918 to 8 October 19181919: 15 February 1919 to 27 December 19191920: 14 May 1920 to 12 November 19201921: 28 February 1921 to 25 November 19211927: 24 February 1927 to 2 August 19271928: 12 February 1928 to 14 October 19281929: 21 May 1929 to 27 December 19291930: 2 July 1930 to 10 October 19301931: 31 March 1931 to 3 September 19311932: 5 February 1932 to 14 September 19321933: 14 May 1933 to 29 November 19331934: 4 July 1934 to 7 November 19341935: 21 March 1935 to 20 October 19351936: 1 June 1936 to 23 December 19361937: 14 February 1937 to 30 November 19371938: 19 February 1938 to 27 December 19381939: 5 March 1939 to 1 November 19391940: 5 January 1940 to 6 April 19401941: 24 January 1941 to 25 October 19411942: 30 January 1942 to 24 December 19421943: 17 February 1943 to 16 October 19431944: 8 April 1944 to 8 December 19441945: 7 May 1945 to 15 December 19451946: 18 January 1946 to 24 December 19461947: 12 March 1947 to 19 October 19471948: 5 May 1948 to 4 November 19481949: 27 February 1949 to 20 November 19491950: 2 February 1950 to 19 December 19501951: 13 May 1951 to 9 December 19511952: 13 May 1952 to 30 December 19521953: 4 February 1953 to 30 December 19531954: 27 January 1954 to 11 December 19541955: 15 February 1955 to 5 November 19551956: 7 February 1956 to 15 October 19561957: 20 June 1957 to 28 December 19571958: 5 March 1958 to 14 December 19581959: 17 July 1959 to 4 December 19591960: 16 February 1960 to 12 November 19601961: 8 February 1961 to 15 November 19611962: 27 March 1962 to 19 October 19621963: 27 April 1963 to 15 August 19631964: 30 May 1964 to 18 November 19641965: 21 June 1965 to 30 November 19651966: 15 March 1966 to 4 December 196619121919193119381945195219591966JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Courela (Challner) meeting 10 mm (0.39 in).
First to last qualifying date each year at Courela (Challner)
YearFirst dateLast date
19121912-02-231912-09-18
19131913-02-151913-10-28
19141914-03-121914-11-17
19151915-04-111915-09-19
19161916-06-031916-10-22
19171917-01-091917-09-12
19181918-03-051918-10-08
19191919-02-151919-12-27
19201920-05-141920-11-12
19211921-02-281921-11-25
19271927-02-241927-08-02
19281928-02-121928-10-14
19291929-05-211929-12-27
19301930-07-021930-10-10
19311931-03-311931-09-03
19321932-02-051932-09-14
19331933-05-141933-11-29
19341934-07-041934-11-07
19351935-03-211935-10-20
19361936-06-011936-12-23
19371937-02-141937-11-30
19381938-02-191938-12-27
19391939-03-051939-11-01
19401940-01-051940-04-06
19411941-01-241941-10-25
19421942-01-301942-12-24
19431943-02-171943-10-16
19441944-04-081944-12-08
19451945-05-071945-12-15
19461946-01-181946-12-24
19471947-03-121947-10-19
19481948-05-051948-11-04
19491949-02-271949-11-20
19501950-02-021950-12-19
19511951-05-131951-12-09
19521952-05-131952-12-30
19531953-02-041953-12-30
19541954-01-271954-12-11
19551955-02-151955-11-05
19561956-02-071956-10-15
19571957-06-201957-12-28
19581958-03-051958-12-14
19591959-07-171959-12-04
19601960-02-161960-11-12
19611961-02-081961-11-15
19621962-03-271962-10-19
19631963-04-271963-08-15
19641964-05-301964-11-18
19651965-06-211965-11-30
19661966-03-151966-12-04

Every Fixed Threshold

Fixed thresholds at Courela (Challner)
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain501519569
25 mm (0.98 in): Days with 25 mm or more rain30319132
50 mm (1.97 in): Days with 50 mm or more rain4219381

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1912.

Download the Data

  • Data for Courela (Challner) 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 2026-10-13 (13 October 2026). Threshold counts are computed by this site.

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