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

W Vancouver Millstream Threshold Days by Year (CA001108840)

6 fixed thresholds counted per year at W Vancouver Millstream (CA001108840): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for W Vancouver Millstream Thresholds

  • W Vancouver Millstream: days with 10 cm (3.9 in) or more of snowfall in 16 years, most in 1971 with 17.
  • W Vancouver Millstream: days with 10 mm (0.39 in) or more of precipitation in 13 years, most in 1964 with 89.
  • W Vancouver Millstream: days with 25 mm (0.98 in) or more of precipitation in 13 years, most in 1971 with 41.
  • W Vancouver Millstream: days with 50 mm (1.97 in) or more of precipitation in 13 years, most in 1967 with 13.
  • 6 fixed thresholds have at least one qualifying day at W Vancouver Millstream.
13 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at W Vancouver Millstream Days per year at W Vancouver Millstream with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 89 in 1964. 02550751001962: 781963: 641964: 891965: 781966: 861967: 891968: 831969: 771970: 711971: 851973: 751974: 801978: 631962196419661968197019731978
Days per year at W Vancouver Millstream with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 89 in 1964.
Days with 10 mm (0.39 in) or more of precipitation per year at W Vancouver Millstream
YearDaysDecade average
19627880.5
19636480.5
19648980.5
19657880.5
19668680.5
19678980.5
19688380.5
19697780.5
19707174.8
19718574.8
19737574.8
19748074.8
19786374.8
First to last qualifying date each year at W Vancouver Millstream For each year, a bar from the first to the last day at W Vancouver Millstream meeting 10 mm (0.39 in). 1962: 5 January 1962 to 31 December 19621963: 1 January 1963 to 31 December 19631964: 2 January 1964 to 31 December 19641965: 1 January 1965 to 31 December 19651966: 1 January 1966 to 28 December 19661967: 2 January 1967 to 25 December 19671968: 3 January 1968 to 31 December 19681969: 1 January 1969 to 23 December 19691970: 8 January 1970 to 19 December 19701971: 8 January 1971 to 20 December 19711973: 10 January 1973 to 19 December 19731974: 12 January 1974 to 19 December 19741978: 2 January 1978 to 13 December 19781962196419661968197019731978JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at W Vancouver Millstream meeting 10 mm (0.39 in).
First to last qualifying date each year at W Vancouver Millstream
YearFirst dateLast date
19621962-01-051962-12-31
19631963-01-011963-12-31
19641964-01-021964-12-31
19651965-01-011965-12-31
19661966-01-011966-12-28
19671967-01-021967-12-25
19681968-01-031968-12-31
19691969-01-011969-12-23
19701970-01-081970-12-19
19711971-01-081971-12-20
19731973-01-101973-12-19
19741974-01-121974-12-19
19781978-01-021978-12-13

Every Fixed Threshold

Fixed thresholds at W Vancouver Millstream
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1389196463
25 mm (0.98 in): Days with 25 mm or more rain1341197115
50 mm (1.97 in): Days with 50 mm or more rain131319671
100 mm (3.94 in): Days with 100 mm or more rain5219681
10 cm (3.9 in): Days with 10 cm or more snowfall161719711
25 cm (9.8 in): Days with 25 cm or more snowfall8719711

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1962.

Download the Data

  • Data for W Vancouver Millstream 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).