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Built 2026-10-19 (19 October 2026)

Renfrew Threshold Days by Year (CA006107003)

17 fixed thresholds counted per year at Renfrew (CA006107003): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Renfrew Thresholds

  • Renfrew: days with a maximum temperature at or below 0 C (32 F) in 38 years, most in 1904 with 112.
  • Renfrew: nights with a minimum temperature at or below 0 C (32 F) in 38 years, most in 1893 with 200.
  • Renfrew: nights with a minimum temperature at or below -10 C (14 F) in 38 years, most in 1893 with 111.
  • Renfrew: nights with a minimum temperature at or below -20 C (-4 F) in 38 years, most in 1893 with 54.
  • 17 fixed thresholds have at least one qualifying day at Renfrew.
37 years with a qualifying day
Days at or above 30 C (86 F) per year at Renfrew Days per year at Renfrew with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 39 in 1913. 0102030401886: 111887: 331888: 351889: 221890: 261891: 301893: 271894: 261895: 351896: 201897: 191898: 271903: 61904: 61905: 41906: 341907: 201908: 281909: 291910: 161911: 311912: 151913: 391914: 241915: 171916: 301917: 81918: 181919: 291920: 151921: 371922: 151923: 131924: 131925: 131927: 31928: 71886189018951903190719111915191919231928
Days per year at Renfrew with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 39 in 1913.
Days at or above 30 C (86 F) per year at Renfrew
YearDaysDecade average
18861125.3
18873325.3
18883525.3
18892225.3
18902626.3
18913026.3
18932726.3
18942626.3
18953526.3
18962026.3
18971926.3
18982726.3
1903618.1
1904618.1
1905418.1
19063418.1
19072018.1
19082818.1
19092918.1
19101622.7
19113122.7
19121522.7
19133922.7
19142422.7
19151722.7
19163022.7
1917822.7
19181822.7
19192922.7
19201514.5
19213714.5
19221514.5
19231314.5
19241314.5
19251314.5
1927314.5
1928714.5
First to last qualifying date each year at Renfrew For each year, a bar from the first to the last day at Renfrew meeting 30 C (86 F). 1886: 2 July 1886 to 8 September 18861887: 9 May 1887 to 10 August 18871888: 27 April 1888 to 26 August 18881889: 7 May 1889 to 4 September 18891890: 10 June 1890 to 7 September 18901891: 1 June 1891 to 3 October 18911893: 5 June 1893 to 16 August 18931894: 1 May 1894 to 14 September 18941895: 5 May 1895 to 22 September 18951896: 8 May 1896 to 11 September 18961897: 1 July 1897 to 30 September 18971898: 31 May 1898 to 30 September 18981903: 19 May 1903 to 13 September 19031904: 21 June 1904 to 20 July 19041905: 16 June 1905 to 23 June 19051906: 19 May 1906 to 20 September 19061907: 15 June 1907 to 13 August 19071908: 29 May 1908 to 11 September 19081909: 3 June 1909 to 15 September 19091910: 15 June 1910 to 14 August 19101911: 18 May 1911 to 14 August 19111912: 1 June 1912 to 15 July 19121913: 24 April 1913 to 7 September 19131914: 26 May 1914 to 22 September 19141915: 25 April 1915 to 15 September 19151916: 1 July 1916 to 22 August 19161917: 22 July 1917 to 1 August 19171918: 18 May 1918 to 25 August 19181919: 1 June 1919 to 7 August 19191920: 27 May 1920 to 26 September 19201921: 20 May 1921 to 10 September 19211922: 3 June 1922 to 30 September 19221923: 25 May 1923 to 12 August 19231924: 21 June 1924 to 31 August 19241925: 3 June 1925 to 30 August 19251927: 29 June 1927 to 2 July 19271928: 2 July 1928 to 28 August 192818861891189719061911191619211927JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Renfrew meeting 30 C (86 F).
First to last qualifying date each year at Renfrew
YearFirst dateLast date
18861886-07-021886-09-08
18871887-05-091887-08-10
18881888-04-271888-08-26
18891889-05-071889-09-04
18901890-06-101890-09-07
18911891-06-011891-10-03
18931893-06-051893-08-16
18941894-05-011894-09-14
18951895-05-051895-09-22
18961896-05-081896-09-11
18971897-07-011897-09-30
18981898-05-311898-09-30
19031903-05-191903-09-13
19041904-06-211904-07-20
19051905-06-161905-06-23
19061906-05-191906-09-20
19071907-06-151907-08-13
19081908-05-291908-09-11
19091909-06-031909-09-15
19101910-06-151910-08-14
19111911-05-181911-08-14
19121912-06-011912-07-15
19131913-04-241913-09-07
19141914-05-261914-09-22
19151915-04-251915-09-15
19161916-07-011916-08-22
19171917-07-221917-08-01
19181918-05-181918-08-25
19191919-06-011919-08-07
19201920-05-271920-09-26
19211921-05-201921-09-10
19221922-06-031922-09-30
19231923-05-251923-08-12
19241924-06-211924-08-31
19251925-06-031925-08-30
19271927-06-291927-07-02
19281928-07-021928-08-28

Every Fixed Threshold

Fixed thresholds at Renfrew
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days373919137
35 C (95 F): Days22718956
90 F (32.2 C): Days352119138
100 F (37.8 C): Days6419113
0 C (32 F): Ice days (max38112190497
0 C (32 F): Frost days (min382001893166
-10 C (14 F): Days with min38111189378
-20 C (-4 F): Days with min3854189331
-30 C (-22 F): Days with min371518933
-40 C (-40 F): Days with min1118931
20 C (68 F): Tropical nights (min351119165
25 C (77 F): Days with min2119131
10 mm (0.39 in): Days with 10 mm or more rain3034190919
25 mm (0.98 in): Days with 25 mm or more rain30819053
50 mm (1.97 in): Days with 50 mm or more rain9218871
10 cm (3.9 in): Days with 10 cm or more snowfall381019098
25 cm (9.8 in): Days with 25 cm or more snowfall16218861

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1886.

Download the Data

  • Data for Renfrew 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).