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

Waterloo Wpcp Threshold Days by Year (CA006149386)

6 fixed thresholds counted per year at Waterloo Wpcp (CA006149386): hot days, frost, tropical nights and heavy rain, with the most days in a year.

Key Facts for Waterloo Wpcp Thresholds

  • Waterloo Wpcp: days with 10 cm (3.9 in) or more of snowfall in 15 years, most in 1966 with 4.
  • Waterloo Wpcp: days with 10 mm (0.39 in) or more of precipitation in 14 years, most in 1975 with 36.
  • Waterloo Wpcp: days with 25 mm (0.98 in) or more of precipitation in 14 years, most in 1966 with 7.
  • Waterloo Wpcp: days with 50 mm (1.97 in) or more of precipitation in 3 years, most in 1982 with 2.
  • 6 fixed thresholds have at least one qualifying day at Waterloo Wpcp.
14 years with a qualifying day
Days with 10 mm (0.39 in) or more of precipitation per year at Waterloo Wpcp Days per year at Waterloo Wpcp with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1975. 0102030401965: 301966: 251969: 171970: 251971: 221972: 291973: 261974: 251975: 361976: 261980: 281981: 271982: 361983: 321965196919711973197519801982
Days per year at Waterloo Wpcp with 10 mm (0.39 in) or more of precipitation, with the decade average as a line. The most was 36 in 1975.
Days with 10 mm (0.39 in) or more of precipitation per year at Waterloo Wpcp
YearDaysDecade average
19653024
19662524
19691724
19702527
19712227
19722927
19732627
19742527
19753627
19762627
19802830.8
19812730.8
19823630.8
19833230.8
First to last qualifying date each year at Waterloo Wpcp For each year, a bar from the first to the last day at Waterloo Wpcp meeting 10 mm (0.39 in). 1965: 7 January 1965 to 25 December 19651966: 7 January 1966 to 28 December 19661969: 2 February 1969 to 10 December 19691970: 2 April 1970 to 11 December 19701971: 29 January 1971 to 30 December 19711972: 20 January 1972 to 15 December 19721973: 3 January 1973 to 26 December 19731974: 8 January 1974 to 20 November 19741975: 25 January 1975 to 20 December 19751976: 11 January 1976 to 26 November 19761980: 10 January 1980 to 2 December 19801981: 1 February 1981 to 19 November 19811982: 31 January 1982 to 24 December 19821983: 10 January 1983 to 28 December 19831965196919711973197519801982JanFebMarAprMayJunJulAugSepOctNovDec
For each year, a bar from the first to the last day at Waterloo Wpcp meeting 10 mm (0.39 in).
First to last qualifying date each year at Waterloo Wpcp
YearFirst dateLast date
19651965-01-071965-12-25
19661966-01-071966-12-28
19691969-02-021969-12-10
19701970-04-021970-12-11
19711971-01-291971-12-30
19721972-01-201972-12-15
19731973-01-031973-12-26
19741974-01-081974-11-20
19751975-01-251975-12-20
19761976-01-111976-11-26
19801980-01-101980-12-02
19811981-02-011981-11-19
19821982-01-311982-12-24
19831983-01-101983-12-28

Every Fixed Threshold

Fixed thresholds at Waterloo Wpcp
ThresholdYears with a qualifying dayMost days in a yearYearLatest year days
10 mm (0.39 in): Days with 10 mm or more rain1436197532
25 mm (0.98 in): Days with 25 mm or more rain14719665
50 mm (1.97 in): Days with 50 mm or more rain3219822
100 mm (3.94 in): Days with 100 mm or more rain1119751
10 cm (3.9 in): Days with 10 cm or more snowfall15419663
25 cm (9.8 in): Days with 25 cm or more snowfall2119661

Years with under 90 percent of days observed are left out of the most days column. Threshold history at this station starts in 1965.

Download the Data

  • Data for Waterloo Wpcp 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).