Built 2026-10-19 (19 October 2026)

Long Harbour Threshold Days by Year (CA008402569)

11 fixed thresholds counted per year at Long Harbour (CA008402569): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Long Harbour Thresholds

  • Long Harbour: days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 1974 with 51.
  • Long Harbour: days with 25 mm (0.98 in) or more of precipitation in 14 years, most in 1976 with 16.
  • Long Harbour: days with 10 cm (3.9 in) or more of snowfall in 14 years, most in 1975 with 9.
  • Long Harbour: nights with a minimum temperature at or below 0 C (32 F) in 10 years, most in 1975 with 180.
  • 11 fixed thresholds have at least one qualifying day at Long Harbour.
10 years with a qualifying day
Nights at or below 0 C (32 F) per year at Long Harbour Days per year at Long Harbour with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 180 in 1975. 0501001502001970: 1421971: 1231972: 1741973: 1551974: 1631975: 1801976: 1231978: 1431980: 1351983: 1221970197119721973197419751976197819801983
Days per year at Long Harbour with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 180 in 1975.
Nights at or below 0 C (32 F) per year at Long Harbour
YearDaysDecade average
1970142150.4
1971123150.4
1972174150.4
1973155150.4
1974163150.4
1975180150.4
1976123150.4
1978143150.4
1980135128.5
1983122128.5
First to last qualifying date each year at Long Harbour For each year, a bar from the first to the last day at Long Harbour meeting 0 C (32 F). 1970: 1 January 1970 to 31 December 19701971: 1 January 1971 to 31 December 19711972: 1 January 1972 to 31 December 19721973: 1 January 1973 to 31 December 19731974: 1 January 1974 to 31 December 19741975: 1 January 1975 to 31 December 19751976: 2 January 1976 to 31 December 19761978: 1 January 1978 to 29 December 19781980: 2 January 1980 to 29 December 19801983: 1 January 1983 to 30 December 198319701972197419761980JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Long Harbour meeting 0 C (32 F).
First to last qualifying date each year at Long Harbour
YearFirst dateLast date
19701970-01-011970-12-31
19711971-01-011971-12-31
19721972-01-011972-12-31
19731973-01-011973-12-31
19741974-01-011974-12-31
19751975-01-011975-12-31
19761976-01-021976-12-31
19781978-01-011978-12-29
19801980-01-021980-12-29
19831983-01-011983-12-30

Every Fixed Threshold

Fixed thresholds at Long Harbour
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max972197534
0 C (32 F): Frost days (min101801975122
-10 C (14 F): Days with min1061197218
-20 C (-4 F): Days with min312197512
20 C (68 F): Tropical nights (min1119731
10 mm (0.39 in): Days with 10 mm or more rain1451197449
25 mm (0.98 in): Days with 25 mm or more rain141619768
50 mm (1.97 in): Days with 50 mm or more rain9219741
100 mm (3.94 in): Days with 100 mm or more rain10n/a1
10 cm (3.9 in): Days with 10 cm or more snowfall14919751
25 cm (9.8 in): Days with 25 cm or more snowfall6219711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1971.

Download the Data

  • Data for Long Harbour 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 (2025-12-31).