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Built 2026-10-19 (19 October 2026)

St John's West Cda Threshold Days by Year (CA008403600)

13 fixed thresholds counted per year at St John's West Cda (CA008403600): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for St John's West Cda Thresholds

  • St John's West Cda: days with a maximum temperature at or below 0 C (32 F) in 33 years, most in 1959 with 86.
  • St John's West Cda: nights with a minimum temperature at or below 0 C (32 F) in 33 years, most in 1965 with 194.
  • St John's West Cda: nights with a minimum temperature at or below -10 C (14 F) in 33 years, most in 1972 with 65.
  • St John's West Cda: days with 10 mm (0.39 in) or more of precipitation in 33 years, most in 1955 with 77.
  • 13 fixed thresholds have at least one qualifying day at St John's West Cda.
3 years with a qualifying day
Days at or above 30 C (86 F) per year at St John's West Cda Days per year at St John's West Cda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 1 in 1963. 001111963: 11975: 11978: 1196319751978
Days per year at St John's West Cda with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 1 in 1963.
Days at or above 30 C (86 F) per year at St John's West Cda
YearDaysDecade average
196311
197511
197811
First to last qualifying date each year at St John's West Cda For each year, a bar from the first to the last day at St John's West Cda meeting 30 C (86 F). 1963: 14 July 1963 to 14 July 19631975: 20 July 1975 to 20 July 19751978: 13 August 1978 to 13 August 1978196319751978JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at St John's West Cda meeting 30 C (86 F).
First to last qualifying date each year at St John's West Cda
YearFirst dateLast date
19631963-07-141963-07-14
19751975-07-201975-07-20
19781978-08-131978-08-13

Every Fixed Threshold

Fixed thresholds at St John's West Cda
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days3119631
0 C (32 F): Ice days (max3386195957
0 C (32 F): Frost days (min331941965145
-10 C (14 F): Days with min3365197219
-20 C (-4 F): Days with min11819611
20 C (68 F): Tropical nights (min6219511
10 mm (0.39 in): Days with 10 mm or more rain3377195553
25 mm (0.98 in): Days with 25 mm or more rain3326195511
50 mm (1.97 in): Days with 50 mm or more rain28619623
100 mm (3.94 in): Days with 100 mm or more rain1119531
10 cm (3.9 in): Days with 10 cm or more snowfall331919615
25 cm (9.8 in): Days with 25 cm or more snowfall29519721
50 cm (19.7 in): Days with 50 cm or more snowfall3119591

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1963.

Download the Data

  • Data for St John's West Cda 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).