Built 2026-10-19 (19 October 2026)

Coaticook Threshold Days by Year (CA007021840)

17 fixed thresholds counted per year at Coaticook (CA007021840): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coaticook Thresholds

  • Coaticook: days with 10 cm (3.9 in) or more of snowfall in 33 years, most in 1956 with 16.
  • Coaticook: days with 10 mm (0.39 in) or more of precipitation in 32 years, most in 1983 with 47.
  • Coaticook: days with 25 mm (0.98 in) or more of precipitation in 32 years, most in 1954 with 9.
  • Coaticook: days with a maximum temperature at or below 0 C (32 F) in 30 years, most in 1955 with 105.
  • 17 fixed thresholds have at least one qualifying day at Coaticook.
29 years with a qualifying day
Days at or above 30 C (86 F) per year at Coaticook Days per year at Coaticook with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1959. 051015201950: 41951: 31952: 141953: 91954: 11955: 131956: 21957: 61958: 31959: 161960: 101961: 121962: 21963: 81964: 91965: 31966: 21969: 31971: 41973: 31974: 31975: 111977: 81978: 91979: 61980: 21981: 41982: 31983: 111950195319561959196219651971197519791982
Days per year at Coaticook with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 16 in 1959.
Days at or above 30 C (86 F) per year at Coaticook
YearDaysDecade average
195047.1
195137.1
1952147.1
195397.1
195417.1
1955137.1
195627.1
195767.1
195837.1
1959167.1
1960106.1
1961126.1
196226.1
196386.1
196496.1
196536.1
196626.1
196936.1
197146.3
197336.3
197436.3
1975116.3
197786.3
197896.3
197966.3
198025
198145
198235
1983115
First to last qualifying date each year at Coaticook For each year, a bar from the first to the last day at Coaticook meeting 30 C (86 F). 1950: 9 June 1950 to 27 August 19501951: 8 July 1951 to 10 July 19511952: 1 July 1952 to 30 August 19521953: 21 June 1953 to 5 September 19531954: 22 June 1954 to 22 June 19541955: 4 July 1955 to 22 August 19551956: 13 June 1956 to 14 June 19561957: 15 June 1957 to 12 July 19571958: 1 July 1958 to 31 August 19581959: 29 June 1959 to 10 September 19591960: 28 May 1960 to 9 September 19601961: 15 May 1961 to 11 September 19611962: 30 June 1962 to 25 August 19621963: 2 June 1963 to 30 June 19631964: 23 May 1964 to 29 July 19641965: 28 June 1965 to 22 September 19651966: 3 July 1966 to 4 July 19661969: 27 June 1969 to 31 August 19691971: 19 May 1971 to 19 August 19711973: 8 July 1973 to 5 September 19731974: 15 May 1974 to 14 July 19741975: 20 May 1975 to 3 August 19751977: 21 May 1977 to 29 August 19771978: 27 May 1978 to 16 August 19781979: 9 May 1979 to 25 July 19791980: 25 June 1980 to 26 June 19801981: 16 June 1981 to 9 July 19811982: 7 July 1982 to 18 July 19821983: 13 June 1983 to 6 August 198319501954195819621966197419791983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Coaticook meeting 30 C (86 F).
First to last qualifying date each year at Coaticook
YearFirst dateLast date
19501950-06-091950-08-27
19511951-07-081951-07-10
19521952-07-011952-08-30
19531953-06-211953-09-05
19541954-06-221954-06-22
19551955-07-041955-08-22
19561956-06-131956-06-14
19571957-06-151957-07-12
19581958-07-011958-08-31
19591959-06-291959-09-10
19601960-05-281960-09-09
19611961-05-151961-09-11
19621962-06-301962-08-25
19631963-06-021963-06-30
19641964-05-231964-07-29
19651965-06-281965-09-22
19661966-07-031966-07-04
19691969-06-271969-08-31
19711971-05-191971-08-19
19731973-07-081973-09-05
19741974-05-151974-07-14
19751975-05-201975-08-03
19771977-05-211977-08-29
19781978-05-271978-08-16
19791979-05-091979-07-25
19801980-06-251980-06-26
19811981-06-161981-07-09
19821982-07-071982-07-18
19831983-06-131983-08-06

Every Fixed Threshold

Fixed thresholds at Coaticook
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days2916195911
35 C (95 F): Days1119641
90 F (32.2 C): Days15719551
0 C (32 F): Ice days (max30105195568
0 C (32 F): Frost days (min292031956164
-10 C (14 F): Days with min2998197869
-20 C (-4 F): Days with min2946196218
-30 C (-22 F): Days with min231019793
-40 C (-40 F): Days with min1119571
20 C (68 F): Tropical nights (min20819796
10 mm (0.39 in): Days with 10 mm or more rain3247198347
25 mm (0.98 in): Days with 25 mm or more rain32919547
50 mm (1.97 in): Days with 50 mm or more rain11319661
100 mm (3.94 in): Days with 100 mm or more rain1119541
10 cm (3.9 in): Days with 10 cm or more snowfall331619566
25 cm (9.8 in): Days with 25 cm or more snowfall18419711
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 1950.

Download the Data

  • Data for Coaticook 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).