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

Coquitlam Threshold Days by Year (CA001101888)

6 fixed thresholds counted per year at Coquitlam (CA001101888): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Coquitlam Thresholds

  • Coquitlam: days with 10 mm (0.39 in) or more of precipitation in 30 years, most in 1931 with 80.
  • Coquitlam: days with 25 mm (0.98 in) or more of precipitation in 30 years, most in 1907 with 29.
  • Coquitlam: days with 50 mm (1.97 in) or more of precipitation in 30 years, most in 1907 with 8.
  • Coquitlam: days with 10 cm (3.9 in) or more of snowfall in 23 years, most in 1913 with 6.
  • 6 fixed thresholds have at least one qualifying day at Coquitlam.
30 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Coquitlam Days per year at Coquitlam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 80 in 1931. 0204060801902: 731903: 671904: 661905: 571906: 681907: 541908: 641909: 631910: 581911: 561912: 561913: 611914: 561915: 511916: 581917: 661918: 661919: 621920: 631921: 671922: 611923: 581924: 661925: 601926: 661927: 671928: 621930: 601931: 801932: 801902190519081911191419171920192319261930
Days per year at Coquitlam with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 80 in 1931.
Days with 10 mm (0.39 in) or more of precipitation per year at Coquitlam
YearDaysDecade average
19027364
19036764
19046664
19055764
19066864
19075464
19086464
19096364
19105859
19115659
19125659
19136159
19145659
19155159
19165859
19176659
19186659
19196259
19206363.3
19216763.3
19226163.3
19235863.3
19246663.3
19256063.3
19266663.3
19276763.3
19286263.3
19306073.3
19318073.3
19328073.3
First to last qualifying date each year at Coquitlam For each year, a bar from the first to the last day at Coquitlam meeting 10 mm (0.39 in). 1902: 2 January 1902 to 30 December 19021903: 2 January 1903 to 21 December 19031904: 2 January 1904 to 28 December 19041905: 1 January 1905 to 29 December 19051906: 1 January 1906 to 30 December 19061907: 18 January 1907 to 31 December 19071908: 2 January 1908 to 27 December 19081909: 1 January 1909 to 31 December 19091910: 7 January 1910 to 28 December 19101911: 4 January 1911 to 29 December 19111912: 4 January 1912 to 30 December 19121913: 1 January 1913 to 27 December 19131914: 2 January 1914 to 27 December 19141915: 1 January 1915 to 31 December 19151916: 8 January 1916 to 31 December 19161917: 1 January 1917 to 31 December 19171918: 1 January 1918 to 27 December 19181919: 15 January 1919 to 29 December 19191920: 12 January 1920 to 31 December 19201921: 1 January 1921 to 12 December 19211922: 4 January 1922 to 31 December 19221923: 2 January 1923 to 28 December 19231924: 6 January 1924 to 30 December 19241925: 1 January 1925 to 21 December 19251926: 3 January 1926 to 30 December 19261927: 1 January 1927 to 27 December 19271928: 1 January 1928 to 29 December 19281930: 3 January 1930 to 23 December 19301931: 1 January 1931 to 24 December 19311932: 2 January 1932 to 25 December 193219021906191019141918192219261931JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Coquitlam meeting 10 mm (0.39 in).
First to last qualifying date each year at Coquitlam
YearFirst dateLast date
19021902-01-021902-12-30
19031903-01-021903-12-21
19041904-01-021904-12-28
19051905-01-011905-12-29
19061906-01-011906-12-30
19071907-01-181907-12-31
19081908-01-021908-12-27
19091909-01-011909-12-31
19101910-01-071910-12-28
19111911-01-041911-12-29
19121912-01-041912-12-30
19131913-01-011913-12-27
19141914-01-021914-12-27
19151915-01-011915-12-31
19161916-01-081916-12-31
19171917-01-011917-12-31
19181918-01-011918-12-27
19191919-01-151919-12-29
19201920-01-121920-12-31
19211921-01-011921-12-12
19221922-01-041922-12-31
19231923-01-021923-12-28
19241924-01-061924-12-30
19251925-01-011925-12-21
19261926-01-031926-12-30
19271927-01-011927-12-27
19281928-01-011928-12-29
19301930-01-031930-12-23
19311931-01-011931-12-24
19321932-01-021932-12-25

Every Fixed Threshold

Fixed thresholds at Coquitlam
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain3080193180
25 mm (0.98 in): Days with 25 mm or more rain3029190721
50 mm (1.97 in): Days with 50 mm or more rain30819075
100 mm (3.94 in): Days with 100 mm or more rain8119091
10 cm (3.9 in): Days with 10 cm or more snowfall23619132
25 cm (9.8 in): Days with 25 cm or more snowfall5219131

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1902.

Download the Data

  • Data for Coquitlam 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).