Duchesnay Weather Records (CA007012240)

Record envelope, standing records and threshold days for Duchesnay (CA007012240), Quebec, Canada, with 32 years of record.

Key Facts for Duchesnay

Duchesnay (CA007012240) is a weather station in Quebec, Canada at 46.87 latitude and -71.65 longitude, 166 m (545 ft) above sea level.
The station reports from 1963 to 1994, 32 years of record.
1,464 records set at Duchesnay still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Quebec, Canada, 46.87 latitude, -71.65 longitude.
Elevation: 166 m (545 ft).
Period of record: 1963 to 1994, 32 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 Duchesnay. 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 Duchesnay, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	8.0 C (46.4 F)	-40.6 C (-41.1 F)	n/a	n/a
Feb	11.0 C (51.8 F)	-40.6 C (-41.1 F)	n/a	n/a
Mar	16.7 C (62.1 F)	-33.0 C (-27.4 F)	n/a	n/a
Apr	23.3 C (73.9 F)	-23.9 C (-11.0 F)	n/a	n/a
May	31.7 C (89.1 F)	-7.8 C (18.0 F)	n/a	n/a
Jun	33.0 C (91.4 F)	-1.7 C (28.9 F)	n/a	n/a
Jul	33.0 C (91.4 F)	-0.6 C (30.9 F)	n/a	n/a
Aug	35.0 C (95.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	29.5 C (85.1 F)	-6.5 C (20.3 F)	n/a	n/a
Oct	25.6 C (78.1 F)	-11.7 C (10.9 F)	n/a	n/a
Nov	15.6 C (60.1 F)	-25.0 C (-13.0 F)	n/a	n/a
Dec	12.0 C (53.6 F)	-36.0 C (-32.8 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Duchesnay still stand. 1979 holds the most, with 123.

Wettest Day of Each Month

Jan: 84.8 mm (3.3 in)

The wettest day on record for each calendar month at Duchesnay. The most was 84.8 mm (3.3 in) on 8 January 1978.

Record daily precipitation for each month at Duchesnay
Month	Record daily precipitation (mm)	Date
Jan	84.8 mm (3.3 in)	8 January 1978
Feb	56.1 mm (2.2 in)	2 February 1973
Mar	46.5 mm (1.8 in)	22 March 1972
Apr	37.2 mm (1.5 in)	9 April 1980
May	43.4 mm (1.7 in)	11 May 1981
Jun	56.4 mm (2.2 in)	22 June 1981
Jul	52.3 mm (2.1 in)	8 July 1974
Aug	62.7 mm (2.5 in)	28 August 1978
Sep	70.6 mm (2.8 in)	14 September 1979
Oct	46.5 mm (1.8 in)	9 October 1976
Nov	43.9 mm (1.7 in)	17 November 1978
Dec	45.2 mm (1.8 in)	8 December 1974

Period of Record Coverage

1963 to 1983

16 years of record at Duchesnay, 1963 to 1983. 2 years have data for under 90 percent of days and are left out of rankings: 1964, 1970.

Days with data per year at Duchesnay
Year	Days with data	Share of year	Complete
1963	343	94%	Yes
1964	305	83%	No
1970	275	75%	No
1971	365	100%	Yes
1972	353	96%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	363	99%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	350	96%	Yes
1981	355	97%	Yes
1982	357	98%	Yes
1983	365	100%	Yes

Latest Records

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

Climate Trend

12 complete years, 1971 to 1983

One stripe for each of 12 complete years at Duchesnay, 1971 to 1983. Blue stripes are years cooler than the station's own mean of 3.6 C (38.5 F); red stripes are warmer. The coolest year was 1976, at 2.4 C (36.4 F), and the warmest was 1983, at 4.7 C (40.4 F). The strongest colour marks a difference of 1.2 C (2.2 F).

Annual mean temperature at Duchesnay as warming stripes, 1971 to 1983
Year	Annual mean temperature	Difference from the station mean
1971	3.2 C	-0.44 C
1973	4.6 C	+0.97 C
1974	2.9 C	-0.66 C
1975	4.1 C	+0.46 C
1976	2.4 C	-1.17 C
1977	3.9 C	+0.26 C
1978	2.6 C	-0.99 C
1979	4.3 C	+0.68 C
1980	3.1 C	-0.54 C
1981	4.6 C	+0.98 C
1982	3.0 C	-0.58 C
1983	4.7 C	+1.08 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

1963 to 1983

Yearly extremes at Duchesnay: 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	30.9 C (87.5 F)	16
Coldest night (TNn)	-40.6 C (-41.1 F)	1971	-36.9 C (-34.5 F)	16
Wettest day (Rx1day)	84.8 mm (3.3 in)	1978	53.1 mm (2.1 in)	16
Wettest five days (Rx5day)	104.1 mm (4.1 in)	1974	91.6 mm (3.6 in)	16
Longest dry spell (CDD)	20 days	1978	12 days	16

Hottest day (TXx)

The hottest day of the year at Duchesnay, 1963 to 1983. The record is 35.0 C (95.0 F) in 1975, marked on the chart; the median year is 30.9 C (87.5 F).

Hottest day (TXx) at Duchesnay by year
Year	Hottest day (TXx)
1963	32.2 C (90.0 F)
1964	29.4 C (84.9 F)
1970	31.1 C (88.0 F)
1971	28.3 C (82.9 F)
1972	30.0 C (86.0 F)
1973	31.1 C (88.0 F)
1974	29.4 C (84.9 F)
1975	35.0 C (95.0 F)
1976	30.0 C (86.0 F)
1977	31.7 C (89.1 F)
1978	31.1 C (88.0 F)
1979	30.6 C (87.1 F)
1980	30.0 C (86.0 F)
1981	33.0 C (91.4 F)
1982	30.0 C (86.0 F)
1983	33.0 C (91.4 F)

Coldest night (TNn)

The coldest night of the year at Duchesnay, 1963 to 1983. The record is -40.6 C (-41.1 F) in 1971, marked on the chart; the median year is -36.9 C (-34.5 F).

Coldest night (TNn) at Duchesnay by year
Year	Coldest night (TNn)
1963	-37.2 C (-35.0 F)
1964	-37.2 C (-35.0 F)
1970	-32.2 C (-26.0 F)
1971	-40.6 C (-41.1 F)
1972	-38.9 C (-38.0 F)
1973	-34.4 C (-29.9 F)
1974	-35.0 C (-31.0 F)
1975	-36.7 C (-34.1 F)
1976	-38.3 C (-36.9 F)
1977	-32.2 C (-26.0 F)
1978	-32.2 C (-26.0 F)
1979	-37.2 C (-35.0 F)
1980	-36.0 C (-32.8 F)
1981	-38.0 C (-36.4 F)
1982	-39.5 C (-39.1 F)
1983	-32.0 C (-25.6 F)

Wettest day (Rx1day)

The wettest day of the year at Duchesnay, 1963 to 1983. The record is 84.8 mm (3.3 in) in 1978, marked on the chart; the median year is 53.1 mm (2.1 in).

Wettest day (Rx1day) at Duchesnay by year
Year	Wettest day (Rx1day)
1963	50.0 mm (2.0 in)
1964	53.8 mm (2.1 in)
1970	45.0 mm (1.8 in)
1971	59.7 mm (2.4 in)
1972	59.9 mm (2.4 in)
1973	68.6 mm (2.7 in)
1974	52.3 mm (2.1 in)
1975	37.6 mm (1.5 in)
1976	81.3 mm (3.2 in)
1977	46.5 mm (1.8 in)
1978	84.8 mm (3.3 in)
1979	70.6 mm (2.8 in)
1980	37.2 mm (1.5 in)
1981	56.4 mm (2.2 in)
1982	43.9 mm (1.7 in)
1983	48.1 mm (1.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Duchesnay, 1963 to 1983. The record is 104.1 mm (4.1 in) in 1974, marked on the chart; the median year is 91.6 mm (3.6 in).

Wettest five days (Rx5day) at Duchesnay by year
Year	Wettest five days (Rx5day)
1963	67.8 mm (2.7 in)
1964	76.2 mm (3.0 in)
1970	67.9 mm (2.7 in)
1971	89.9 mm (3.5 in)
1972	97.8 mm (3.9 in)
1973	99.0 mm (3.9 in)
1974	104.1 mm (4.1 in)
1975	96.3 mm (3.8 in)
1976	103.1 mm (4.1 in)
1977	63.6 mm (2.5 in)
1978	98.8 mm (3.9 in)
1979	93.2 mm (3.7 in)
1980	62.0 mm (2.4 in)
1981	99.4 mm (3.9 in)
1982	82.6 mm (3.3 in)
1983	81.7 mm (3.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Duchesnay, 1963 to 1983. The record is 20 days in 1978, marked on the chart; the median year is 12 days.

Longest dry spell (CDD) at Duchesnay by year
Year	Longest dry spell (CDD)
1963	12 days
1964	14 days
1970	12 days
1971	12 days
1972	13 days
1973	10 days
1974	11 days
1975	13 days
1976	12 days
1977	12 days
1978	20 days
1979	18 days
1980	20 days
1981	12 days
1982	12 days
1983	10 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 Duchesnay standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Duchesnay 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 2026-10-13. Last revised 13 October 2026 (2026-10-13).