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Built 2026-10-18 (18 October 2026)

Tillsonburg Wwtp Threshold Days by Year

5 fixed thresholds counted per year at Tillsonburg Wwtp (CA006138270): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Tillsonburg Wwtp Thresholds

  • Tillsonburg Wwtp: days with 10 mm (0.39 in) or more of precipitation in 20 years, most in 1977 with 41.
  • Tillsonburg Wwtp: days with 25 mm (0.98 in) or more of precipitation in 20 years, most in 1981 with 11.
  • Tillsonburg Wwtp: days with 10 cm (3.9 in) or more of snowfall in 18 years, most in 1976 with 6.
  • Tillsonburg Wwtp: days with 50 mm (1.97 in) or more of precipitation in 10 years, most in 1983 with 3.
  • 5 fixed thresholds have at least one qualifying day at Tillsonburg Wwtp.
20 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Tillsonburg Wwtp Days per year at Tillsonburg Wwtp with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1977. 02040601964: 251965: 351966: 331967: 251968: 281969: 341970: 221971: 221972: 311973: 331974: 351975: 351976: 331977: 411978: 351979: 381980: 331981: 331982: 411983: 371964196619681970197219741976197819801982
Days per year at Tillsonburg Wwtp with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 41 in 1977.
Days with 10 mm (0.39 in) or more of precipitation per year at Tillsonburg Wwtp
YearDaysDecade average
19642530
19653530
19663330
19672530
19682830
19693430
19702232.5
19712232.5
19723132.5
19733332.5
19743532.5
19753532.5
19763332.5
19774132.5
19783532.5
19793832.5
19803336
19813336
19824136
19833736
First to last qualifying date each year at Tillsonburg Wwtp For each year, a bar from the first to the last day at Tillsonburg Wwtp meeting 10 mm (0.39 in). 1964: 1 January 1964 to 24 December 19641965: 2 January 1965 to 24 December 19651966: 14 January 1966 to 9 December 19661967: 6 January 1967 to 21 December 19671968: 13 January 1968 to 27 December 19681969: 17 January 1969 to 30 December 19691970: 4 March 1970 to 10 December 19701971: 3 January 1971 to 30 December 19711972: 8 January 1972 to 15 December 19721973: 3 January 1973 to 26 December 19731974: 20 January 1974 to 21 December 19741975: 8 January 1975 to 25 December 19751976: 10 January 1976 to 19 December 19761977: 9 January 1977 to 24 December 19771978: 1 January 1978 to 31 December 19781979: 13 January 1979 to 25 December 19791980: 10 January 1980 to 2 December 19801981: 10 February 1981 to 22 December 19811982: 3 January 1982 to 24 December 19821983: 10 January 1983 to 28 December 19831964196719701973197619791982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Tillsonburg Wwtp meeting 10 mm (0.39 in).
First to last qualifying date each year at Tillsonburg Wwtp
YearFirst dateLast date
19641964-01-011964-12-24
19651965-01-021965-12-24
19661966-01-141966-12-09
19671967-01-061967-12-21
19681968-01-131968-12-27
19691969-01-171969-12-30
19701970-03-041970-12-10
19711971-01-031971-12-30
19721972-01-081972-12-15
19731973-01-031973-12-26
19741974-01-201974-12-21
19751975-01-081975-12-25
19761976-01-101976-12-19
19771977-01-091977-12-24
19781978-01-011978-12-31
19791979-01-131979-12-25
19801980-01-101980-12-02
19811981-02-101981-12-22
19821982-01-031982-12-24
19831983-01-101983-12-28

Every Fixed Threshold

Fixed thresholds at Tillsonburg Wwtp
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain2041197737
25 mm (0.98 in): Days with 25 mm or more rain2011198111
50 mm (1.97 in): Days with 50 mm or more rain10319833
10 cm (3.9 in): Days with 10 cm or more snowfall18619761
25 cm (9.8 in): Days with 25 cm or more snowfall1119821

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1964.

Download the Data

  • Data for Tillsonburg Wwtp 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 2026-10-16 (16 October 2026). Threshold counts are computed by this site.

Data as of . Last revised (2025-12-31).