Peterborough Dobbin Ts Weather Records (CA006166428)

Record envelope, standing records and threshold days for Peterborough Dobbin Ts (CA006166428), Ontario, Canada, with 30 years of record.

Key Facts for Peterborough Dobbin Ts

Peterborough Dobbin Ts (CA006166428) is a weather station in Ontario, Canada at 44.32 latitude and -78.40 longitude, 244 m (801 ft) above sea level.
The station reports from 1965 to 1994, 30 years of record.
1,464 records set at Peterborough Dobbin Ts 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, 44.32 latitude, -78.40 longitude.
Elevation: 244 m (801 ft).
Period of record: 1965 to 1994, 30 years.
Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record

The band shows the record high and record low for each calendar day at Peterborough Dobbin Ts. 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 Dobbin Ts, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	13.3 C (55.9 F)	-36.1 C (-33.0 F)	n/a	n/a
Feb	11.0 C (51.8 F)	-38.0 C (-36.4 F)	n/a	n/a
Mar	22.2 C (72.0 F)	-30.5 C (-22.9 F)	n/a	n/a
Apr	28.3 C (82.9 F)	-17.2 C (1.0 F)	n/a	n/a
May	31.7 C (89.1 F)	-6.7 C (19.9 F)	n/a	n/a
Jun	33.3 C (91.9 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	35.0 C (95.0 F)	3.3 C (37.9 F)	n/a	n/a
Aug	35.0 C (95.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	32.2 C (90.0 F)	-5.0 C (23.0 F)	n/a	n/a
Oct	28.3 C (82.9 F)	-9.4 C (15.1 F)	n/a	n/a
Nov	22.2 C (72.0 F)	-20.0 C (-4.0 F)	n/a	n/a
Dec	18.5 C (65.3 F)	-36.5 C (-33.7 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Peterborough Dobbin Ts still stand. 1971 holds the most, with 102.

Standing records at Peterborough Dobbin Ts by the year they were set
Year set	Standing records
1965	54
1966	93
1967	101
1968	86
1969	60
1970	91
1971	102
1972	59
1973	78
1974	65
1975	86
1976	92
1977	77
1978	72
1979	87
1980	65
1981	68
1982	59
1983	69

Wettest Day of Each Month

Jul: 82.6 mm (3.3 in)

The wettest day on record for each calendar month at Peterborough Dobbin Ts. The most was 82.6 mm (3.3 in) on 20 July 1980.

Record daily precipitation for each month at Peterborough Dobbin Ts
Month	Record daily precipitation (mm)	Date
Jan	33.3 mm (1.3 in)	24 January 1979
Feb	44.1 mm (1.7 in)	10 February 1981
Mar	59.0 mm (2.3 in)	21 March 1980
Apr	34.0 mm (1.3 in)	1 April 1973
May	36.1 mm (1.4 in)	18 May 1969
Jun	40.6 mm (1.6 in)	4 June 1966
Jul	82.6 mm (3.3 in)	20 July 1980
Aug	63.6 mm (2.5 in)	16 August 1977
Sep	56.6 mm (2.2 in)	28 September 1967
Oct	40.0 mm (1.6 in)	25 October 1980
Nov	34.6 mm (1.4 in)	1 November 1982
Dec	40.6 mm (1.6 in)	12 December 1972

Period of Record Coverage

1965 to 1983

19 years of record at Peterborough Dobbin Ts, 1965 to 1983. 3 years have data for under 90 percent of days and are left out of rankings: 1965, 1972, 1973.

Days with data per year at Peterborough Dobbin Ts
Year	Days with data	Share of year	Complete
1965	183	50%	No
1966	361	99%	Yes
1967	358	98%	Yes
1968	365	100%	Yes
1969	363	99%	Yes
1970	362	99%	Yes
1971	364	100%	Yes
1972	256	70%	No
1973	302	83%	No
1974	365	100%	Yes
1975	364	100%	Yes
1976	359	98%	Yes
1977	364	100%	Yes
1978	347	95%	Yes
1979	330	90%	Yes
1980	332	91%	Yes
1981	361	99%	Yes
1982	361	99%	Yes
1983	359	98%	Yes

Latest Records

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

Climate Trend

13 complete years, 1966 to 1983

One stripe for each of 13 complete years at Peterborough Dobbin Ts, 1966 to 1983. Blue stripes are years cooler than the station's own mean of 5.8 C (42.5 F); red stripes are warmer. The coolest year was 1976, at 5.2 C (41.4 F), and the warmest was 1975, at 6.6 C (43.8 F). The strongest colour marks a difference of 0.8 C (1.4 F).

Annual mean temperature at Peterborough Dobbin Ts as warming stripes, 1966 to 1983
Year	Annual mean temperature	Difference from the station mean
1966	5.9 C	+0.05 C
1967	5.6 C	-0.21 C
1968	5.5 C	-0.32 C
1969	5.9 C	+0.06 C
1970	5.5 C	-0.38 C
1971	5.9 C	+0.06 C
1974	5.5 C	-0.31 C
1975	6.6 C	+0.74 C
1976	5.2 C	-0.62 C
1977	6.1 C	+0.30 C
1981	6.1 C	+0.31 C
1982	5.6 C	-0.20 C
1983	6.4 C	+0.55 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

1965 to 1983

Yearly extremes at Peterborough Dobbin Ts: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.0 C (95.0 F)	1975	32.2 C (90.0 F)	19
Coldest night (TNn)	-38.0 C (-36.4 F)	1979	-33.9 C (-29.0 F)	19
Wettest day (Rx1day)	82.6 mm (3.3 in)	1980	40.0 mm (1.6 in)	19
Wettest five days (Rx5day)	106.0 mm (4.2 in)	1982	62.7 mm (2.5 in)	19
Longest dry spell (CDD)	28 days	1969	16 days	19

Hottest day (TXx)

The hottest day of the year at Peterborough Dobbin Ts, 1965 to 1983. The record is 35.0 C (95.0 F) in 1975, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Peterborough Dobbin Ts by year
Year	Hottest day (TXx)
1965	31.7 C (89.1 F)
1966	34.4 C (93.9 F)
1967	31.1 C (88.0 F)
1968	32.8 C (91.0 F)
1969	32.8 C (91.0 F)
1970	32.2 C (90.0 F)
1971	31.7 C (89.1 F)
1972	30.6 C (87.1 F)
1973	32.8 C (91.0 F)
1974	32.8 C (91.0 F)
1975	35.0 C (95.0 F)
1976	31.1 C (88.0 F)
1977	35.0 C (95.0 F)
1978	34.0 C (93.2 F)
1979	30.0 C (86.0 F)
1980	30.0 C (86.0 F)
1981	32.0 C (89.6 F)
1982	32.0 C (89.6 F)
1983	34.0 C (93.2 F)

Coldest night (TNn)

The coldest night of the year at Peterborough Dobbin Ts, 1965 to 1983. The record is -38.0 C (-36.4 F) in 1979, marked on the chart; the median year is -33.9 C (-29.0 F).

Coldest night (TNn) at Peterborough Dobbin Ts by year
Year	Coldest night (TNn)
1965	-18.3 C (-0.9 F)
1966	-32.2 C (-26.0 F)
1967	-35.0 C (-31.0 F)
1968	-36.1 C (-33.0 F)
1969	-28.3 C (-18.9 F)
1970	-33.9 C (-29.0 F)
1971	-35.6 C (-32.1 F)
1972	-29.4 C (-20.9 F)
1973	-30.6 C (-23.1 F)
1974	-28.3 C (-18.9 F)
1975	-27.2 C (-17.0 F)
1976	-36.1 C (-33.0 F)
1977	-36.5 C (-33.7 F)
1978	-34.0 C (-29.2 F)
1979	-38.0 C (-36.4 F)
1980	-35.0 C (-31.0 F)
1981	-35.0 C (-31.0 F)
1982	-33.0 C (-27.4 F)
1983	-28.0 C (-18.4 F)

Wettest day (Rx1day)

The wettest day of the year at Peterborough Dobbin Ts, 1965 to 1983. The record is 82.6 mm (3.3 in) in 1980, marked on the chart; the median year is 40.0 mm (1.6 in).

Wettest day (Rx1day) at Peterborough Dobbin Ts by year
Year	Wettest day (Rx1day)
1965	32.3 mm (1.3 in)
1966	43.2 mm (1.7 in)
1967	56.6 mm (2.2 in)
1968	65.5 mm (2.6 in)
1969	36.1 mm (1.4 in)
1970	26.4 mm (1.0 in)
1971	33.0 mm (1.3 in)
1972	75.7 mm (3.0 in)
1973	38.4 mm (1.5 in)
1974	54.4 mm (2.1 in)
1975	50.8 mm (2.0 in)
1976	31.5 mm (1.2 in)
1977	63.6 mm (2.5 in)
1978	25.6 mm (1.0 in)
1979	40.0 mm (1.6 in)
1980	82.6 mm (3.3 in)
1981	44.1 mm (1.7 in)
1982	39.0 mm (1.5 in)
1983	40.0 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Peterborough Dobbin Ts, 1965 to 1983. The record is 106.0 mm (4.2 in) in 1982, marked on the chart; the median year is 62.7 mm (2.5 in).

Wettest five days (Rx5day) at Peterborough Dobbin Ts by year
Year	Wettest five days (Rx5day)
1965	57.2 mm (2.3 in)
1966	58.2 mm (2.3 in)
1967	73.4 mm (2.9 in)
1968	65.5 mm (2.6 in)
1969	54.1 mm (2.1 in)
1970	37.0 mm (1.5 in)
1971	44.7 mm (1.8 in)
1972	89.1 mm (3.5 in)
1973	76.4 mm (3.0 in)
1974	56.4 mm (2.2 in)
1975	62.7 mm (2.5 in)
1976	54.1 mm (2.1 in)
1977	71.7 mm (2.8 in)
1978	53.6 mm (2.1 in)
1979	63.2 mm (2.5 in)
1980	88.4 mm (3.5 in)
1981	67.0 mm (2.6 in)
1982	106.0 mm (4.2 in)
1983	58.0 mm (2.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Peterborough Dobbin Ts, 1965 to 1983. The record is 28 days in 1969, marked on the chart; the median year is 16 days.

Longest dry spell (CDD) at Peterborough Dobbin Ts by year
Year	Longest dry spell (CDD)
1965	9 days
1966	14 days
1967	16 days
1968	20 days
1969	28 days
1970	21 days
1971	22 days
1972	13 days
1973	21 days
1974	15 days
1975	14 days
1976	13 days
1977	16 days
1978	15 days
1979	17 days
1980	12 days
1981	12 days
1982	16 days
1983	20 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 Dobbin Ts standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Peterborough Dobbin Ts 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).