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Built 2026-10-19 (19 October 2026)

Shepherd Bay A Threshold Days by Year (CA002303685)

8 fixed thresholds counted per year at Shepherd Bay A (CA002303685): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Shepherd Bay A Thresholds

  • Shepherd Bay A: nights with a minimum temperature at or below 0 C (32 F) in 25 years, most in 1979 with 321.
  • Shepherd Bay A: nights with a minimum temperature at or below -10 C (14 F) in 25 years, most in 1974 with 253.
  • Shepherd Bay A: nights with a minimum temperature at or below -20 C (-4 F) in 25 years, most in 1978 with 210.
  • Shepherd Bay A: nights with a minimum temperature at or below -30 C (-22 F) in 25 years, most in 1974 with 156.
  • 8 fixed thresholds have at least one qualifying day at Shepherd Bay A.
25 years with a qualifying day
Nights at or below 0 C (32 F) per year at Shepherd Bay A Days per year at Shepherd Bay A with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 321 in 1979. 01002003004001958: 2911960: 2841961: 2841962: 2921963: 3151964: 3171965: 3131966: 2831967: 3191968: 2821969: 2691970: 2931971: 2891972: 3261973: 2871974: 3071975: 2791976: 3051977: 2901978: 3141979: 3211980: 2881981: 2811982: 2991983: 294195819621965196819711974197719801983
Days per year at Shepherd Bay A with nights with a minimum temperature at or below 0 C (32 F), with the decade average as a line. The most was 321 in 1979.
Nights at or below 0 C (32 F) per year at Shepherd Bay A
YearDaysDecade average
1958291291
1960284295.8
1961284295.8
1962292295.8
1963315295.8
1964317295.8
1965313295.8
1966283295.8
1967319295.8
1968282295.8
1969269295.8
1970293301.1
1971289301.1
1972326301.1
1973287301.1
1974307301.1
1975279301.1
1976305301.1
1977290301.1
1978314301.1
1979321301.1
1980288290.5
1981281290.5
1982299290.5
1983294290.5
First to last qualifying date each year at Shepherd Bay A For each year, a bar from the first to the last day at Shepherd Bay A meeting 0 C (32 F). 1958: 1 January 1958 to 31 December 19581960: 1 January 1960 to 31 December 19601961: 1 January 1961 to 31 December 19611962: 1 January 1962 to 31 December 19621963: 1 January 1963 to 31 December 19631964: 1 January 1964 to 31 December 19641965: 1 January 1965 to 31 December 19651966: 1 January 1966 to 31 December 19661967: 1 January 1967 to 31 December 19671968: 1 January 1968 to 31 December 19681969: 1 January 1969 to 31 December 19691970: 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: 1 January 1976 to 31 December 19761977: 1 January 1977 to 31 December 19771978: 1 January 1978 to 31 December 19781979: 1 January 1979 to 31 December 19791980: 1 January 1980 to 31 December 19801981: 1 January 1981 to 31 December 19811982: 1 January 1982 to 31 December 19821983: 1 January 1983 to 31 December 19831958196319671971197519791983JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Shepherd Bay A meeting 0 C (32 F).
First to last qualifying date each year at Shepherd Bay A
YearFirst dateLast date
19581958-01-011958-12-31
19601960-01-011960-12-31
19611961-01-011961-12-31
19621962-01-011962-12-31
19631963-01-011963-12-31
19641964-01-011964-12-31
19651965-01-011965-12-31
19661966-01-011966-12-31
19671967-01-011967-12-31
19681968-01-011968-12-31
19691969-01-011969-12-31
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
19761976-01-011976-12-31
19771977-01-011977-12-31
19781978-01-011978-12-31
19791979-01-011979-12-31
19801980-01-011980-12-31
19811981-01-011981-12-31
19821982-01-011982-12-31
19831983-01-011983-12-31

Every Fixed Threshold

Fixed thresholds at Shepherd Bay A
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
0 C (32 F): Ice days (max112681978231
0 C (32 F): Frost days (min253211979294
-10 C (14 F): Days with min252531974219
-20 C (-4 F): Days with min252101978177
-30 C (-22 F): Days with min251561974135
-40 C (-40 F): Days with min2575197554
10 mm (0.39 in): Days with 10 mm or more rain18419695
10 cm (3.9 in): Days with 10 cm or more snowfall11319811

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1958.

Download the Data

  • Data for Shepherd Bay A 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).