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Peterborough Trent U Weather Records (CA006166455)

Record envelope, standing records and threshold days for Peterborough Trent U (CA006166455), Ontario, Canada, with 45 years of record.

Key Facts for Peterborough Trent U

  • Peterborough Trent U (CA006166455) is a weather station in Ontario, Canada at 44.37 latitude and -78.30 longitude, 198 m (650 ft) above sea level.
  • The station reports from 1968 to 2012, 45 years of record.
  • 1,464 records set at Peterborough Trent U still stand.
  • Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

  • Location: Ontario, Canada, 44.37 latitude, -78.30 longitude.
  • Elevation: 198 m (650 ft).
  • Period of record: 1968 to 2012, 45 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Peterborough Trent U, with 2026 drawn through them The band shows the record high and record low for each calendar day at Peterborough Trent U. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Peterborough Trent U. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Peterborough Trent U, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan10.6 C (51.1 F)-35.0 C (-31.0 F)n/an/a
Feb11.5 C (52.7 F)-33.0 C (-27.4 F)n/an/a
Mar23.3 C (73.9 F)-28.0 C (-18.4 F)n/an/a
Apr28.3 C (82.9 F)-15.6 C (3.9 F)n/an/a
May30.6 C (87.1 F)-3.3 C (26.1 F)n/an/a
Jun32.5 C (90.5 F)0.0 C (32.0 F)n/an/a
Jul34.4 C (93.9 F)5.0 C (41.0 F)n/an/a
Aug33.9 C (93.0 F)2.2 C (36.0 F)n/an/a
Sep32.2 C (90.0 F)-3.5 C (25.7 F)n/an/a
Oct28.3 C (82.9 F)-8.9 C (16.0 F)n/an/a
Nov21.1 C (70.0 F)-17.2 C (1.0 F)n/an/a
Dec18.5 C (65.3 F)-33.0 C (-27.4 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Peterborough Trent U by the year they were set 1,464 records at Peterborough Trent U still stand. 1971 holds the most, with 124. 0501001501968: 691969: 751970: 1021971: 1241972: 771973: 1111974: 861975: 911976: 1191977: 881978: 721979: 1061980: 891981: 801982: 781983: 9719681970197219741976197819801982
1,464 records at Peterborough Trent U still stand. 1971 holds the most, with 124.
Standing records at Peterborough Trent U by the year they were set
Year setStanding records
196869
196975
1970102
1971124
197277
1973111
197486
197591
1976119
197788
197872
1979106
198089
198180
198278
198397

Wettest Day of Each Month

Jul: 67.8 mm (2.7 in)
Record daily precipitation for each month at Peterborough Trent U The wettest day on record for each calendar month at Peterborough Trent U. The most was 67.8 mm (2.7 in) on 9 July 1968. 020406080 Jan: 45.0 mm (1.8 in), 24 January 1979 Jan Feb: 35.3 mm (1.4 in), 21 February 1976 Feb Mar: 62.4 mm (2.5 in), 21 March 1980 Mar Apr: 31.5 mm (1.2 in), 1 April 1973 Apr May: 33.3 mm (1.3 in), 18 May 1969 May Jun: 50.0 mm (2.0 in), 21 June 1972 Jun Jul: 67.8 mm (2.7 in), 9 July 1968 Jul Aug: 50.5 mm (2.0 in), 16 August 1977 Aug Sep: 36.6 mm (1.4 in), 4 September 1981 Sep Oct: 39.8 mm (1.6 in), 25 October 1980 Oct Nov: 26.7 mm (1.1 in), 20 November 1974 Nov Dec: 51.3 mm (2.0 in), 12 December 1972 Dec
The wettest day on record for each calendar month at Peterborough Trent U. The most was 67.8 mm (2.7 in) on 9 July 1968.
Record daily precipitation for each month at Peterborough Trent U
MonthRecord daily precipitation (mm)Date
Jan45.0 mm (1.8 in)24 January 1979
Feb35.3 mm (1.4 in)21 February 1976
Mar62.4 mm (2.5 in)21 March 1980
Apr31.5 mm (1.2 in)1 April 1973
May33.3 mm (1.3 in)18 May 1969
Jun50.0 mm (2.0 in)21 June 1972
Jul67.8 mm (2.7 in)9 July 1968
Aug50.5 mm (2.0 in)16 August 1977
Sep36.6 mm (1.4 in)4 September 1981
Oct39.8 mm (1.6 in)25 October 1980
Nov26.7 mm (1.1 in)20 November 1974
Dec51.3 mm (2.0 in)12 December 1972

Period of Record Coverage

1968 to 1983
Days with data per year at Peterborough Trent U 16 years of record at Peterborough Trent U, 1968 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1968. 1968: 271 of 366 days1969: 365 of 365 days1970: 365 of 365 days1971: 365 of 365 days1972: 366 of 366 days1973: 365 of 365 days1974: 365 of 365 days1975: 365 of 365 days1976: 366 of 366 days1977: 365 of 365 days1978: 365 of 365 days1979: 363 of 365 days1980: 366 of 366 days1981: 364 of 365 days1982: 360 of 365 days1983: 364 of 365 days197019751980
16 years of record at Peterborough Trent U, 1968 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1968.
Days with data per year at Peterborough Trent U
YearDays with dataShare of yearComplete
196827174%No
1969365100%Yes
1970365100%Yes
1971365100%Yes
1972366100%Yes
1973365100%Yes
1974365100%Yes
1975365100%Yes
1976366100%Yes
1977365100%Yes
1978365100%Yes
197936399%Yes
1980366100%Yes
1981364100%Yes
198236099%Yes
1983364100%Yes

Latest Records

0

No records were set at this station in the latest data.

Climate Trend

15 complete years, 1969 to 1983
Annual mean temperature at Peterborough Trent U as warming stripes, 1969 to 1983 One stripe for each of 15 complete years at Peterborough Trent U, 1969 to 1983. Blue stripes are years cooler than the station's own mean of 6.2 C (43.2 F); red stripes are warmer. The coolest year was 1978, at 5.4 C (41.7 F), and the warmest was 1973, at 7.4 C (45.3 F). The strongest colour marks a difference of 1.2 C (2.2 F). 1969: 6.4 C, +0.2 C from the station mean1970: 6.3 C, 0.0 C from the station mean1971: 6.6 C, +0.4 C from the station mean1972: 5.5 C, -0.7 C from the station mean1973: 7.4 C, +1.2 C from the station mean1974: 6.0 C, -0.2 C from the station mean1975: 6.9 C, +0.6 C from the station mean1976: 5.5 C, -0.8 C from the station mean1977: 6.5 C, +0.3 C from the station mean1978: 5.4 C, -0.9 C from the station mean1979: 6.3 C, +0.1 C from the station mean1980: 5.6 C, -0.6 C from the station mean1981: 6.1 C, -0.1 C from the station mean1982: 6.1 C, -0.1 C from the station mean1983: 7.0 C, +0.7 C from the station mean19691970197219741976197819801982
One stripe for each of 15 complete years at Peterborough Trent U, 1969 to 1983. Blue stripes are years cooler than the station's own mean of 6.2 C (43.2 F); red stripes are warmer. The coolest year was 1978, at 5.4 C (41.7 F), and the warmest was 1973, at 7.4 C (45.3 F). The strongest colour marks a difference of 1.2 C (2.2 F).
Annual mean temperature at Peterborough Trent U as warming stripes, 1969 to 1983
YearAnnual mean temperatureDifference from the station mean
19696.4 C+0.17 C
19706.3 C+0.02 C
19716.6 C+0.40 C
19725.5 C-0.75 C
19737.4 C+1.16 C
19746.0 C-0.24 C
19756.9 C+0.62 C
19765.5 C-0.76 C
19776.5 C+0.25 C
19785.4 C-0.86 C
19796.3 C+0.10 C
19805.6 C-0.65 C
19816.1 C-0.14 C
19826.1 C-0.09 C
19837.0 C+0.73 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1968 to 1983
Yearly extremes at Peterborough Trent U: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)34.4 C (93.9 F)197732.2 C (90.0 F)16
Coldest night (TNn)-35.0 C (-31.0 F)1981-29.4 C (-21.0 F)16
Wettest day (Rx1day)67.8 mm (2.7 in)196843.1 mm (1.7 in)16
Wettest five days (Rx5day)102.8 mm (4.0 in)198365.0 mm (2.6 in)16
Longest dry spell (CDD)27 days197315 days16

Hottest day (TXx)

Hottest day (TXx) at Peterborough Trent U by year The hottest day of the year at Peterborough Trent U, 1968 to 1983. The record is 34.4 C (93.9 F) in 1977, marked on the chart; the median year is 32.2 C (90.0 F). 30323436197019751980Record: 34.4 C (93.9 F) in 1977
The hottest day of the year at Peterborough Trent U, 1968 to 1983. The record is 34.4 C (93.9 F) in 1977, marked on the chart; the median year is 32.2 C (90.0 F).
Hottest day (TXx) at Peterborough Trent U by year
YearHottest day (TXx)
196832.8 C (91.0 F)
196932.8 C (91.0 F)
197031.1 C (88.0 F)
197131.7 C (89.1 F)
197231.7 C (89.1 F)
197332.2 C (90.0 F)
197432.2 C (90.0 F)
197533.9 C (93.0 F)
197630.6 C (87.1 F)
197734.4 C (93.9 F)
197833.0 C (91.4 F)
197932.5 C (90.5 F)
198030.0 C (86.0 F)
198131.0 C (87.8 F)
198232.0 C (89.6 F)
198333.0 C (91.4 F)

Coldest night (TNn)

Coldest night (TNn) at Peterborough Trent U by year The coldest night of the year at Peterborough Trent U, 1968 to 1983. The record is -35.0 C (-31.0 F) in 1981, marked on the chart; the median year is -29.4 C (-21.0 F). -35-30-25-20197019751980Record: -35.0 C (-31.0 F) in 1981
The coldest night of the year at Peterborough Trent U, 1968 to 1983. The record is -35.0 C (-31.0 F) in 1981, marked on the chart; the median year is -29.4 C (-21.0 F).
Coldest night (TNn) at Peterborough Trent U by year
YearColdest night (TNn)
1968-30.6 C (-23.1 F)
1969-26.1 C (-15.0 F)
1970-30.0 C (-22.0 F)
1971-30.6 C (-23.1 F)
1972-27.8 C (-18.0 F)
1973-27.8 C (-18.0 F)
1974-22.2 C (-8.0 F)
1975-27.8 C (-18.0 F)
1976-33.3 C (-27.9 F)
1977-28.9 C (-20.0 F)
1978-25.0 C (-13.0 F)
1979-33.0 C (-27.4 F)
1980-33.0 C (-27.4 F)
1981-35.0 C (-31.0 F)
1982-33.5 C (-28.3 F)
1983-26.0 C (-14.8 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Peterborough Trent U by year The wettest day of the year at Peterborough Trent U, 1968 to 1983. The record is 67.8 mm (2.7 in) in 1968, marked on the chart; the median year is 43.1 mm (1.7 in). 203040506070197019751980Record: 67.8 mm (2.7 in) in 1968
The wettest day of the year at Peterborough Trent U, 1968 to 1983. The record is 67.8 mm (2.7 in) in 1968, marked on the chart; the median year is 43.1 mm (1.7 in).
Wettest day (Rx1day) at Peterborough Trent U by year
YearWettest day (Rx1day)
196867.8 mm (2.7 in)
196949.3 mm (1.9 in)
197028.4 mm (1.1 in)
197129.5 mm (1.2 in)
197251.3 mm (2.0 in)
197343.7 mm (1.7 in)
197442.4 mm (1.7 in)
197537.8 mm (1.5 in)
197643.7 mm (1.7 in)
197750.5 mm (2.0 in)
197829.5 mm (1.2 in)
197945.0 mm (1.8 in)
198062.4 mm (2.5 in)
198136.6 mm (1.4 in)
198228.0 mm (1.1 in)
198338.6 mm (1.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Peterborough Trent U by year The wettest five days of the year at Peterborough Trent U, 1968 to 1983. The record is 102.8 mm (4.0 in) in 1983, marked on the chart; the median year is 65.0 mm (2.6 in). 20406080100120197019751980Record: 102.8 mm (4.0 in) in 1983
The wettest five days of the year at Peterborough Trent U, 1968 to 1983. The record is 102.8 mm (4.0 in) in 1983, marked on the chart; the median year is 65.0 mm (2.6 in).
Wettest five days (Rx5day) at Peterborough Trent U by year
YearWettest five days (Rx5day)
196868.3 mm (2.7 in)
196957.9 mm (2.3 in)
197049.0 mm (1.9 in)
197141.3 mm (1.6 in)
197274.0 mm (2.9 in)
197372.9 mm (2.9 in)
197461.7 mm (2.4 in)
197550.8 mm (2.0 in)
197681.1 mm (3.2 in)
197757.4 mm (2.3 in)
197837.8 mm (1.5 in)
197960.5 mm (2.4 in)
198085.4 mm (3.4 in)
198173.3 mm (2.9 in)
198270.7 mm (2.8 in)
1983102.8 mm (4.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Peterborough Trent U by year The longest dry spell of the year at Peterborough Trent U, 1968 to 1983. The record is 27 days in 1973, marked on the chart; the median year is 15 days. 1015202530197019751980Record: 27 days in 1973
The longest dry spell of the year at Peterborough Trent U, 1968 to 1983. The record is 27 days in 1973, marked on the chart; the median year is 15 days.
Longest dry spell (CDD) at Peterborough Trent U by year
YearLongest dry spell (CDD)
196819 days
196918 days
197015 days
197122 days
197213 days
197327 days
197413 days
197513 days
197613 days
197722 days
197814 days
197923 days
198014 days
198115 days
198214 days
198320 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Download the Data

  • Data for Peterborough Trent U standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Peterborough Trent U 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-13).