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Built 2026-10-19 (19 October 2026)

Courtenay 1 NW Threshold Days by Year (USC00321816)

7 fixed thresholds counted per year at Courtenay 1 NW (USC00321816): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Courtenay 1 NW Thresholds

  • Courtenay 1 NW: days with 10 mm (0.39 in) or more of precipitation in 90 years, most in 1986 with 25.
  • Courtenay 1 NW: days with 25 mm (0.98 in) or more of precipitation in 89 years, most in 2010 with 8.
  • Courtenay 1 NW: days with 10 cm (3.9 in) or more of snowfall in 49 years, most in 2009 with 8.
  • Courtenay 1 NW: days with 50 mm (1.97 in) or more of precipitation in 33 years, most in 1970 with 3.
  • 7 fixed thresholds have at least one qualifying day at Courtenay 1 NW.
90 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Courtenay 1 NW Days per year at Courtenay 1 NW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1986. 01020301932: 151934: 101935: 171936: 41937: 201938: 151939: 111940: 141941: 181942: 221943: 121944: 141945: 121946: 131947: 101948: 121949: 151950: 151951: 111952: 121953: 141954: 171955: 131956: 161957: 141958: 151959: 121960: 121961: 151962: 171963: 111964: 161965: 191966: 141967: 101968: 171969: 111970: 121971: 161972: 151973: 161974: 101975: 181976: 101977: 181978: 121979: 91980: 111981: 111982: 141983: 171984: 111985: 81986: 251987: 141988: 131989: 121990: 141991: 121992: 121993: 221994: 241995: 181996: 161997: 151998: 191999: 192000: 182001: 152002: 102003: 162004: 182005: 162006: 172007: 182008: 142009: 192010: 212015: 182016: 232017: 162018: 202019: 182020: 82021: 102022: 182023: 162024: 232025: 162026: 121932194219511960196919781987199620052018
Days per year at Courtenay 1 NW with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 25 in 1986.
Days with 10 mm (0.39 in) or more of precipitation per year at Courtenay 1 NW
YearDaysDecade average
19321513.1
19341013.1
19351713.1
1936413.1
19372013.1
19381513.1
19391113.1
19401414.2
19411814.2
19422214.2
19431214.2
19441414.2
19451214.2
19461314.2
19471014.2
19481214.2
19491514.2
19501513.9
19511113.9
19521213.9
19531413.9
19541713.9
19551313.9
19561613.9
19571413.9
19581513.9
19591213.9
19601214.2
19611514.2
19621714.2
19631114.2
19641614.2
19651914.2
19661414.2
19671014.2
19681714.2
19691114.2
19701213.6
19711613.6
19721513.6
19731613.6
19741013.6
19751813.6
19761013.6
19771813.6
19781213.6
1979913.6
19801113.6
19811113.6
19821413.6
19831713.6
19841113.6
1985813.6
19862513.6
19871413.6
19881313.6
19891213.6
19901417.1
19911217.1
19921217.1
19932217.1
19942417.1
19951817.1
19961617.1
19971517.1
19981917.1
19991917.1
20001816.1
20011516.1
20021016.1
20031616.1
20041816.1
20051616.1
20061716.1
20071816.1
20081416.1
20091916.1
20102119.3
20151819.3
20162319.3
20171619.3
20182019.3
20191819.3
2020814.7
20211014.7
20221814.7
20231614.7
20242314.7
20251614.7
20261214.7
First to last qualifying date each year at Courtenay 1 NW For each year, a bar from the first to the last day at Courtenay 1 NW meeting 10 mm (0.39 in). 1932: 23 April 1932 to 10 November 19321934: 31 March 1934 to 20 October 19341935: 20 March 1935 to 24 December 19351936: 23 March 1936 to 5 December 19361937: 6 January 1937 to 5 October 19371938: 13 February 1938 to 12 November 19381939: 7 February 1939 to 18 December 19391940: 28 March 1940 to 28 October 19401941: 2 January 1941 to 7 October 19411942: 25 March 1942 to 25 September 19421943: 29 April 1943 to 11 September 19431944: 15 May 1944 to 7 November 19441945: 10 April 1945 to 8 December 19451946: 16 March 1946 to 16 December 19461947: 6 May 1947 to 15 November 19471948: 10 April 1948 to 6 October 19481949: 1 May 1949 to 24 December 19491950: 24 January 1950 to 25 December 19501951: 23 January 1951 to 4 September 19511952: 21 January 1952 to 18 November 19521953: 24 April 1953 to 10 December 19531954: 15 January 1954 to 14 September 19541955: 20 February 1955 to 28 November 19551956: 27 March 1956 to 5 November 19561957: 20 May 1957 to 21 October 19571958: 27 February 1958 to 25 November 19581959: 5 May 1959 to 10 October 19591960: 1 January 1960 to 5 December 19601961: 4 April 1961 to 11 October 19611962: 15 May 1962 to 6 November 19621963: 1 April 1963 to 8 December 19631964: 23 March 1964 to 27 November 19641965: 3 April 1965 to 11 December 19651966: 4 March 1966 to 22 October 19661967: 14 April 1967 to 7 October 19671968: 20 April 1968 to 21 September 19681969: 27 February 1969 to 22 September 19691970: 4 February 1970 to 13 October 19701971: 22 May 1971 to 30 October 19711972: 12 April 1972 to 30 December 19721973: 14 March 1973 to 12 October 19731974: 20 April 1974 to 1 November 19741975: 11 January 1975 to 30 August 19751976: 1 January 1976 to 6 July 19761977: 5 May 1977 to 20 November 19771978: 5 April 1978 to 5 October 19781979: 19 March 1979 to 28 August 19791980: 4 June 1980 to 17 October 19801981: 24 May 1981 to 1 October 19811982: 10 May 1982 to 10 November 19821983: 6 January 1983 to 13 December 19831984: 12 April 1984 to 20 October 19841985: 12 May 1985 to 7 October 19851986: 3 April 1986 to 8 November 19861987: 18 March 1987 to 19 September 19871988: 11 March 1988 to 27 December 19881989: 7 January 1989 to 6 September 19891990: 12 March 1990 to 18 September 19901991: 27 April 1991 to 29 October 19911992: 6 March 1992 to 2 November 19921993: 7 May 1993 to 17 December 19931994: 12 February 1994 to 18 November 19941995: 26 March 1995 to 6 October 19951996: 1 January 1996 to 17 December 19961997: 5 January 1997 to 9 October 19971998: 18 February 1998 to 18 November 19981999: 2 January 1999 to 12 September 19992000: 26 February 2000 to 8 November 20002001: 7 April 2001 to 24 October 20012002: 18 April 2002 to 6 October 20022003: 13 March 2003 to 28 December 20032004: 27 March 2004 to 28 October 20042005: 12 April 2005 to 5 October 20052006: 1 April 2006 to 31 December 20062007: 25 February 2007 to 23 September 20072008: 6 June 2008 to 7 November 20082009: 9 January 2009 to 26 December 20092010: 23 January 2010 to 17 December 20102015: 7 May 2015 to 5 November 20152016: 15 March 2016 to 26 December 20162017: 3 January 2017 to 25 September 20172018: 6 March 2018 to 5 October 20182019: 29 April 2019 to 21 October 20192020: 5 May 2020 to 24 August 20202021: 20 May 2021 to 27 December 20212022: 13 April 2022 to 26 December 20222023: 1 March 2023 to 24 October 20232024: 8 April 2024 to 20 November 20242025: 29 April 2025 to 28 October 20252026: 19 February 2026 to 29 September 202619321945195719691981199320052021JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Courtenay 1 NW meeting 10 mm (0.39 in).
First to last qualifying date each year at Courtenay 1 NW
YearFirst dateLast date
19321932-04-231932-11-10
19341934-03-311934-10-20
19351935-03-201935-12-24
19361936-03-231936-12-05
19371937-01-061937-10-05
19381938-02-131938-11-12
19391939-02-071939-12-18
19401940-03-281940-10-28
19411941-01-021941-10-07
19421942-03-251942-09-25
19431943-04-291943-09-11
19441944-05-151944-11-07
19451945-04-101945-12-08
19461946-03-161946-12-16
19471947-05-061947-11-15
19481948-04-101948-10-06
19491949-05-011949-12-24
19501950-01-241950-12-25
19511951-01-231951-09-04
19521952-01-211952-11-18
19531953-04-241953-12-10
19541954-01-151954-09-14
19551955-02-201955-11-28
19561956-03-271956-11-05
19571957-05-201957-10-21
19581958-02-271958-11-25
19591959-05-051959-10-10
19601960-01-011960-12-05
19611961-04-041961-10-11
19621962-05-151962-11-06
19631963-04-011963-12-08
19641964-03-231964-11-27
19651965-04-031965-12-11
19661966-03-041966-10-22
19671967-04-141967-10-07
19681968-04-201968-09-21
19691969-02-271969-09-22
19701970-02-041970-10-13
19711971-05-221971-10-30
19721972-04-121972-12-30
19731973-03-141973-10-12
19741974-04-201974-11-01
19751975-01-111975-08-30
19761976-01-011976-07-06
19771977-05-051977-11-20
19781978-04-051978-10-05
19791979-03-191979-08-28
19801980-06-041980-10-17
19811981-05-241981-10-01
19821982-05-101982-11-10
19831983-01-061983-12-13
19841984-04-121984-10-20
19851985-05-121985-10-07
19861986-04-031986-11-08
19871987-03-181987-09-19
19881988-03-111988-12-27
19891989-01-071989-09-06
19901990-03-121990-09-18
19911991-04-271991-10-29
19921992-03-061992-11-02
19931993-05-071993-12-17
19941994-02-121994-11-18
19951995-03-261995-10-06
19961996-01-011996-12-17
19971997-01-051997-10-09
19981998-02-181998-11-18
19991999-01-021999-09-12
20002000-02-262000-11-08
20012001-04-072001-10-24
20022002-04-182002-10-06
20032003-03-132003-12-28
20042004-03-272004-10-28
20052005-04-122005-10-05
20062006-04-012006-12-31
20072007-02-252007-09-23
20082008-06-062008-11-07
20092009-01-092009-12-26
20102010-01-232010-12-17
20152015-05-072015-11-05
20162016-03-152016-12-26
20172017-01-032017-09-25
20182018-03-062018-10-05
20192019-04-292019-10-21
20202020-05-052020-08-24
20212021-05-202021-12-27
20222022-04-132022-12-26
20232023-03-012023-10-24
20242024-04-082024-11-20
20252025-04-292025-10-28
20262026-02-192026-09-29

Every Fixed Threshold

Fixed thresholds at Courtenay 1 NW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain9025198612
25 mm (0.98 in): Days with 25 mm or more rain89820106
50 mm (1.97 in): Days with 50 mm or more rain33319702
100 mm (3.94 in): Days with 100 mm or more rain4119521
10 cm (3.9 in): Days with 10 cm or more snowfall49820091
25 cm (9.8 in): Days with 25 cm or more snowfall9219961
50 cm (19.7 in): Days with 50 cm or more snowfall1119661

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1932.

Download the Data

  • Data for Courtenay 1 NW 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 (2026-10-17).