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Data as of 2025-12-31
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Built 2026-10-19 (19 October 2026)

Bonavista Threshold Days by Year (CA008400600)

11 fixed thresholds counted per year at Bonavista (CA008400600): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Bonavista Thresholds

  • Bonavista: days with a maximum temperature at or below 0 C (32 F) in 27 years, most in 1972 with 101.
  • Bonavista: nights with a minimum temperature at or below 0 C (32 F) in 27 years, most in 1974 with 197.
  • Bonavista: nights with a minimum temperature at or below -10 C (14 F) in 27 years, most in 1972 with 67.
  • Bonavista: days with 10 mm (0.39 in) or more of precipitation in 27 years, most in 1962 with 43.
  • 11 fixed thresholds have at least one qualifying day at Bonavista.
4 years with a qualifying day
Days at or above 30 C (86 F) per year at Bonavista Days per year at Bonavista with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 1 in 1968. 001111968: 11975: 11976: 11979: 11968197519761979
Days per year at Bonavista with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 1 in 1968.
Days at or above 30 C (86 F) per year at Bonavista
YearDaysDecade average
196811
197511
197611
197911
First to last qualifying date each year at Bonavista For each year, a bar from the first to the last day at Bonavista meeting 30 C (86 F). 1968: 10 July 1968 to 10 July 19681975: 20 July 1975 to 20 July 19751976: 22 August 1976 to 22 August 19761979: 4 August 1979 to 4 August 19791968197519761979JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Bonavista meeting 30 C (86 F).
First to last qualifying date each year at Bonavista
YearFirst dateLast date
19681968-07-101968-07-10
19751975-07-201975-07-20
19761976-08-221976-08-22
19791979-08-041979-08-04

Every Fixed Threshold

Fixed thresholds at Bonavista
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days4119681
0 C (32 F): Ice days (max27101197258
0 C (32 F): Frost days (min271971974148
-10 C (14 F): Days with min2767197229
-20 C (-4 F): Days with min9719752
10 mm (0.39 in): Days with 10 mm or more rain2743196236
25 mm (0.98 in): Days with 25 mm or more rain261119685
50 mm (1.97 in): Days with 50 mm or more rain6119571
100 mm (3.94 in): Days with 100 mm or more rain1119571
10 cm (3.9 in): Days with 10 cm or more snowfall251219829
25 cm (9.8 in): Days with 25 cm or more snowfall5119621

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1968.

Download the Data

  • Data for Bonavista 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).