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

Oakville 1 WNW Threshold Days by Year (USC00046351)

12 fixed thresholds counted per year at Oakville 1 WNW (USC00046351): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Oakville 1 WNW Thresholds

  • Oakville 1 WNW: days with 10 mm (0.39 in) or more of precipitation in 26 years, most in 1973 with 42.
  • Oakville 1 WNW: days with 25 mm (0.98 in) or more of precipitation in 26 years, most in 1958 with 19.
  • Oakville 1 WNW: days with 50 mm (1.97 in) or more of precipitation in 23 years, most in 1958 with 7.
  • Oakville 1 WNW: days with a maximum temperature at or above 30 C (86 F) in 7 years, most in 1910 with 73.
  • 12 fixed thresholds have at least one qualifying day at Oakville 1 WNW.
7 years with a qualifying day
Days at or above 30 C (86 F) per year at Oakville 1 WNW Days per year at Oakville 1 WNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 1910. 0204060801907: 381908: 671909: 651910: 731911: 371912: 411913: 351907190819091910191119121913
Days per year at Oakville 1 WNW with a maximum temperature at or above 30 C (86 F), with the decade average as a line. The most was 73 in 1910.
Days at or above 30 C (86 F) per year at Oakville 1 WNW
YearDaysDecade average
19073856.7
19086756.7
19096556.7
19107346.5
19113746.5
19124146.5
19133546.5
First to last qualifying date each year at Oakville 1 WNW For each year, a bar from the first to the last day at Oakville 1 WNW meeting 30 C (86 F). 1907: 14 May 1907 to 14 October 19071908: 17 March 1908 to 26 October 19081909: 30 April 1909 to 24 October 19091910: 22 April 1910 to 28 October 19101911: 20 May 1911 to 19 October 19111912: 13 May 1912 to 14 October 19121913: 30 May 1913 to 19 October 19131907190819091910191119121913JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Oakville 1 WNW meeting 30 C (86 F).
First to last qualifying date each year at Oakville 1 WNW
YearFirst dateLast date
19071907-05-141907-10-14
19081908-03-171908-10-26
19091909-04-301909-10-24
19101910-04-221910-10-28
19111911-05-201911-10-19
19121912-05-131912-10-14
19131913-05-301913-10-19

Every Fixed Threshold

Fixed thresholds at Oakville 1 WNW
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
30 C (86 F): Days773191035
35 C (95 F): Days728191012
40 C (104 F): Days3419091
90 F (32.2 C): Days751191024
100 F (37.8 C): Days51119103
0 C (32 F): Ice days (max1219132
0 C (32 F): Frost days (min71331913133
20 C (68 F): Tropical nights (min1119091
10 mm (0.39 in): Days with 10 mm or more rain2642197322
25 mm (0.98 in): Days with 25 mm or more rain2619195811
50 mm (1.97 in): Days with 50 mm or more rain23719585
100 mm (3.94 in): Days with 100 mm or more rain6219551

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1907.

Download the Data

  • Data for Oakville 1 WNW 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).