Built 2026-10-19 (19 October 2026)

Chilliwack Threshold Days by Year (CA001101530)

16 fixed thresholds counted per year at Chilliwack (CA001101530): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Chilliwack Thresholds

  • Chilliwack: days with 10 mm (0.39 in) or more of precipitation in 76 years, most in 1953 with 83.
  • Chilliwack: days with 25 mm (0.98 in) or more of precipitation in 76 years, most in 1953 with 28.
  • Chilliwack: days with 10 cm (3.9 in) or more of snowfall in 69 years, most in 1911 with 11.
  • Chilliwack: nights with a minimum temperature at or below 0 C (32 F) in 62 years, most in 1916 with 107.
  • 16 fixed thresholds have at least one qualifying day at Chilliwack.
61 years with a qualifying day
Days at or above 30 C (86 F) per year at Chilliwack Days per year at Chilliwack with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1958. 01020301896: 121897: 151898: 151902: 101903: 51905: 81906: 81911: 91912: 91913: 131914: 41915: 91916: 71917: 21918: 61919: 31920: 91921: 21922: 111923: 111924: 111925: 141926: 141927: 171928: 161929: 121930: 111931: 91932: 51933: 51934: 71951: 151952: 161953: 61955: 51956: 131957: 21958: 271959: 51960: 111961: 151962: 21963: 71964: 31965: 111966: 21967: 181968: 91969: 81970: 121971: 141972: 121973: 101974: 131975: 81976: 11977: 111978: 121979: 61980: 21981: 9189619111918192519321956196319701977
Days per year at Chilliwack with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 27 in 1958.
Days at or above 30 C (86 F) per year at Chilliwack
YearDaysDecade average
18961214
18971514
18981514
1902107.8
190357.8
190587.8
190687.8
191196.9
191296.9
1913136.9
191446.9
191596.9
191676.9
191726.9
191866.9
191936.9
1920911.7
1921211.7
19221111.7
19231111.7
19241111.7
19251411.7
19261411.7
19271711.7
19281611.7
19291211.7
1930117.4
193197.4
193257.4
193357.4
193477.4
19511511.1
19521611.1
1953611.1
1955511.1
19561311.1
1957211.1
19582711.1
1959511.1
1960118.6
1961158.6
196228.6
196378.6
196438.6
1965118.6
196628.6
1967188.6
196898.6
196988.6
1970129.9
1971149.9
1972129.9
1973109.9
1974139.9
197589.9
197619.9
1977119.9
1978129.9
197969.9
198025.5
198195.5
First to last qualifying date each year at Chilliwack For each year, a bar from the first to the last day at Chilliwack meeting 30 C (86 F). 1896: 25 June 1896 to 4 September 18961897: 16 April 1897 to 22 August 18971898: 25 May 1898 to 24 August 18981902: 26 May 1902 to 10 August 19021903: 7 June 1903 to 20 July 19031905: 8 July 1905 to 7 August 19051906: 24 June 1906 to 27 July 19061911: 12 July 1911 to 26 August 19111912: 12 May 1912 to 18 July 19121913: 18 July 1913 to 22 August 19131914: 15 June 1914 to 13 August 19141915: 30 June 1915 to 28 August 19151916: 17 June 1916 to 26 August 19161917: 14 July 1917 to 16 August 19171918: 15 July 1918 to 27 September 19181919: 14 July 1919 to 16 August 19191920: 7 July 1920 to 20 August 19201921: 12 August 1921 to 13 August 19211922: 29 May 1922 to 26 August 19221923: 6 June 1923 to 7 September 19231924: 11 May 1924 to 12 August 19241925: 15 May 1925 to 19 August 19251926: 12 May 1926 to 23 August 19261927: 20 June 1927 to 16 August 19271928: 20 May 1928 to 22 September 19281929: 8 July 1929 to 16 September 19291930: 15 June 1930 to 28 August 19301931: 6 June 1931 to 9 August 19311932: 9 June 1932 to 13 June 19321933: 12 June 1933 to 22 August 19331934: 22 April 1934 to 2 September 19341951: 27 June 1951 to 16 September 19511952: 8 July 1952 to 22 September 19521953: 6 July 1953 to 5 September 19531955: 8 June 1955 to 5 September 19551956: 17 May 1956 to 6 September 19561957: 12 September 1957 to 13 September 19571958: 17 May 1958 to 7 September 19581959: 13 May 1959 to 31 July 19591960: 5 July 1960 to 9 August 19601961: 15 June 1961 to 19 August 19611962: 22 July 1962 to 27 July 19621963: 19 May 1963 to 9 September 19631964: 11 July 1964 to 23 August 19641965: 30 June 1965 to 18 August 19651966: 21 August 1966 to 23 August 19661967: 17 June 1967 to 16 September 19671968: 1 July 1968 to 10 August 19681969: 22 May 1969 to 23 July 19691970: 1 June 1970 to 22 August 19701971: 17 July 1971 to 11 August 19711972: 28 May 1972 to 3 September 19721973: 12 May 1973 to 5 September 19731974: 13 June 1974 to 24 September 19741975: 1 June 1975 to 13 August 19751976: 20 September 1976 to 20 September 19761977: 17 June 1977 to 17 August 19771978: 1 June 1978 to 8 August 19781979: 15 July 1979 to 14 September 19791980: 21 July 1980 to 10 August 19801981: 6 August 1981 to 16 September 198118961912192019281952196119691977JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Chilliwack meeting 30 C (86 F).
First to last qualifying date each year at Chilliwack
YearFirst dateLast date
18961896-06-251896-09-04
18971897-04-161897-08-22
18981898-05-251898-08-24
19021902-05-261902-08-10
19031903-06-071903-07-20
19051905-07-081905-08-07
19061906-06-241906-07-27
19111911-07-121911-08-26
19121912-05-121912-07-18
19131913-07-181913-08-22
19141914-06-151914-08-13
19151915-06-301915-08-28
19161916-06-171916-08-26
19171917-07-141917-08-16
19181918-07-151918-09-27
19191919-07-141919-08-16
19201920-07-071920-08-20
19211921-08-121921-08-13
19221922-05-291922-08-26
19231923-06-061923-09-07
19241924-05-111924-08-12
19251925-05-151925-08-19
19261926-05-121926-08-23
19271927-06-201927-08-16
19281928-05-201928-09-22
19291929-07-081929-09-16
19301930-06-151930-08-28
19311931-06-061931-08-09
19321932-06-091932-06-13
19331933-06-121933-08-22
19341934-04-221934-09-02
19511951-06-271951-09-16
19521952-07-081952-09-22
19531953-07-061953-09-05
19551955-06-081955-09-05
19561956-05-171956-09-06
19571957-09-121957-09-13
19581958-05-171958-09-07
19591959-05-131959-07-31
19601960-07-051960-08-09
19611961-06-151961-08-19
19621962-07-221962-07-27
19631963-05-191963-09-09
19641964-07-111964-08-23
19651965-06-301965-08-18
19661966-08-211966-08-23
19671967-06-171967-09-16
19681968-07-011968-08-10
19691969-05-221969-07-23
19701970-06-011970-08-22
19711971-07-171971-08-11
19721972-05-281972-09-03
19731973-05-121973-09-05
19741974-06-131974-09-24
19751975-06-011975-08-13
19761976-09-201976-09-20
19771977-06-171977-08-17
19781978-06-011978-08-08
19791979-07-151979-09-14
19801980-07-211980-08-10
19811981-08-061981-09-16

Every Fixed Threshold

Fixed thresholds at Chilliwack
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days612719589
35 C (95 F): Days18219151
90 F (32.2 C): Days491219586
100 F (37.8 C): Days1119581
0 C (32 F): Ice days (max6145191616
0 C (32 F): Frost days (min62107191620
-10 C (14 F): Days with min461619168
-20 C (-4 F): Days with min2319111
20 C (68 F): Tropical nights (min7119121
10 mm (0.39 in): Days with 10 mm or more rain7683195359
25 mm (0.98 in): Days with 25 mm or more rain7628195317
50 mm (1.97 in): Days with 50 mm or more rain58719591
100 mm (3.94 in): Days with 100 mm or more rain12219591
10 cm (3.9 in): Days with 10 cm or more snowfall691119111
25 cm (9.8 in): Days with 25 cm or more snowfall33419541
50 cm (19.7 in): Days with 50 cm or more snowfall3119161

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1896.

Download the Data

  • Data for Chilliwack 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).