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

Petty Harbour Threshold Days by Year (CA008402925)

6 fixed thresholds counted per year at Petty Harbour (CA008402925): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Petty Harbour Thresholds

  • Petty Harbour: days with 10 mm (0.39 in) or more of precipitation in 24 years, most in 1980 with 67.
  • Petty Harbour: days with 25 mm (0.98 in) or more of precipitation in 24 years, most in 1964 with 16.
  • Petty Harbour: days with 10 cm (3.9 in) or more of snowfall in 24 years, most in 1967 with 12.
  • Petty Harbour: days with 50 mm (1.97 in) or more of precipitation in 18 years, most in 1962 with 6.
  • 6 fixed thresholds have at least one qualifying day at Petty Harbour.
24 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Petty Harbour Days per year at Petty Harbour with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 67 in 1980. 0204060801960: 391961: 341962: 501963: 481964: 551965: 481966: 491967: 511968: 551969: 601970: 581971: 441972: 451973: 431974: 571975: 351976: 581977: 511978: 441979: 491980: 671981: 511982: 591983: 5219601963196619691972197519781981
Days per year at Petty Harbour with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 67 in 1980.
Days with 10 mm (0.39 in) or more of precipitation per year at Petty Harbour
YearDaysDecade average
19603948.9
19613448.9
19625048.9
19634848.9
19645548.9
19654848.9
19664948.9
19675148.9
19685548.9
19696048.9
19705848.4
19714448.4
19724548.4
19734348.4
19745748.4
19753548.4
19765848.4
19775148.4
19784448.4
19794948.4
19806757.3
19815157.3
19825957.3
19835257.3
First to last qualifying date each year at Petty Harbour For each year, a bar from the first to the last day at Petty Harbour meeting 10 mm (0.39 in). 1960: 3 January 1960 to 30 December 19601961: 2 January 1961 to 29 December 19611962: 2 January 1962 to 31 December 19621963: 1 January 1963 to 30 December 19631964: 4 January 1964 to 31 December 19641965: 9 January 1965 to 18 December 19651966: 1 January 1966 to 30 December 19661967: 4 January 1967 to 29 December 19671968: 5 January 1968 to 29 December 19681969: 1 January 1969 to 27 December 19691970: 21 January 1970 to 29 December 19701971: 16 January 1971 to 26 December 19711972: 3 January 1972 to 27 December 19721973: 1 January 1973 to 30 December 19731974: 15 January 1974 to 30 December 19741975: 2 January 1975 to 27 December 19751976: 2 January 1976 to 30 December 19761977: 5 January 1977 to 31 December 19771978: 1 January 1978 to 18 December 19781979: 19 January 1979 to 27 December 19791980: 3 January 1980 to 30 December 19801981: 2 January 1981 to 16 December 19811982: 5 January 1982 to 20 December 19821983: 6 January 1983 to 30 December 198319601963196619691972197519781981JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Petty Harbour meeting 10 mm (0.39 in).
First to last qualifying date each year at Petty Harbour
YearFirst dateLast date
19601960-01-031960-12-30
19611961-01-021961-12-29
19621962-01-021962-12-31
19631963-01-011963-12-30
19641964-01-041964-12-31
19651965-01-091965-12-18
19661966-01-011966-12-30
19671967-01-041967-12-29
19681968-01-051968-12-29
19691969-01-011969-12-27
19701970-01-211970-12-29
19711971-01-161971-12-26
19721972-01-031972-12-27
19731973-01-011973-12-30
19741974-01-151974-12-30
19751975-01-021975-12-27
19761976-01-021976-12-30
19771977-01-051977-12-31
19781978-01-011978-12-18
19791979-01-191979-12-27
19801980-01-031980-12-30
19811981-01-021981-12-16
19821982-01-051982-12-20
19831983-01-061983-12-30

Every Fixed Threshold

Fixed thresholds at Petty Harbour
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2467198052
25 mm (0.98 in): Days with 25 mm or more rain2416196414
50 mm (1.97 in): Days with 50 mm or more rain18619621
10 cm (3.9 in): Days with 10 cm or more snowfall241219673
25 cm (9.8 in): Days with 25 cm or more snowfall8319781
50 cm (19.7 in): Days with 50 cm or more snowfall1119711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1960.

Download the Data

  • Data for Petty 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).