French R Chaudiere Dam Weather Records (CA006082612)

Record envelope, standing records and threshold days for French R Chaudiere Dam (CA006082612), Ontario, Canada, with 35 years of record.

Key Facts for French R Chaudiere Dam

French R Chaudiere Dam (CA006082612) is a weather station in Ontario, Canada at 46.13 latitude and -80.02 longitude, 198 m (650 ft) above sea level.
The station reports from 1969 to 2003, 35 years of record.
1,464 records set at French R Chaudiere Dam 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, 46.13 latitude, -80.02 longitude.
Elevation: 198 m (650 ft).
Period of record: 1969 to 2003, 35 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 French R Chaudiere Dam. 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 French R Chaudiere Dam, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	9.0 C (48.2 F)	-41.0 C (-41.8 F)	n/a	n/a
Feb	10.6 C (51.1 F)	-37.2 C (-35.0 F)	n/a	n/a
Mar	19.4 C (66.9 F)	-31.0 C (-23.8 F)	n/a	n/a
Apr	26.1 C (79.0 F)	-18.9 C (-2.0 F)	n/a	n/a
May	32.2 C (90.0 F)	-6.7 C (19.9 F)	n/a	n/a
Jun	32.8 C (91.0 F)	0.0 C (32.0 F)	n/a	n/a
Jul	35.0 C (95.0 F)	3.3 C (37.9 F)	n/a	n/a
Aug	33.9 C (93.0 F)	1.1 C (34.0 F)	n/a	n/a
Sep	30.6 C (87.1 F)	-4.0 C (24.8 F)	n/a	n/a
Oct	25.0 C (77.0 F)	-7.8 C (18.0 F)	n/a	n/a
Nov	24.0 C (75.2 F)	-20.0 C (-4.0 F)	n/a	n/a
Dec	16.0 C (60.8 F)	-37.0 C (-34.6 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at French R Chaudiere Dam still stand. 1973 holds the most, with 126.

Wettest Day of Each Month

Sep: 65.4 mm (2.6 in)

The wettest day on record for each calendar month at French R Chaudiere Dam. The most was 65.4 mm (2.6 in) on 4 September 1981.

Record daily precipitation for each month at French R Chaudiere Dam
Month	Record daily precipitation (mm)	Date
Jan	30.5 mm (1.2 in)	26 January 1974
Feb	21.6 mm (0.9 in)	24 February 1975
Mar	29.6 mm (1.2 in)	21 March 1980
Apr	34.8 mm (1.4 in)	21 April 1970
May	43.2 mm (1.7 in)	31 May 1970
Jun	61.0 mm (2.4 in)	19 June 1980
Jul	46.5 mm (1.8 in)	31 July 1983
Aug	55.0 mm (2.2 in)	23 August 1978
Sep	65.4 mm (2.6 in)	4 September 1981
Oct	36.1 mm (1.4 in)	6 October 1976
Nov	33.0 mm (1.3 in)	30 November 1975
Dec	30.7 mm (1.2 in)	10 December 1971

Period of Record Coverage

1969 to 1983

15 years of record at French R Chaudiere Dam, 1969 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1969.

Days with data per year at French R Chaudiere Dam
Year	Days with data	Share of year	Complete
1969	31	8%	No
1970	364	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	364	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	364	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	330	90%	Yes
1982	360	99%	Yes
1983	360	99%	Yes

Latest Records

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

Climate Trend

13 complete years, 1970 to 1983

One stripe for each of 13 complete years at French R Chaudiere Dam, 1970 to 1983. Blue stripes are years cooler than the station's own mean of 4.6 C (40.2 F); red stripes are warmer. The coolest year was 1978, at 3.7 C (38.7 F), and the warmest was 1973, at 5.8 C (42.5 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at French R Chaudiere Dam as warming stripes, 1970 to 1983
Year	Annual mean temperature	Difference from the station mean
1970	4.3 C	-0.24 C
1971	4.9 C	+0.34 C
1972	3.8 C	-0.80 C
1973	5.8 C	+1.23 C
1974	4.6 C	+0.03 C
1975	5.6 C	+1.00 C
1976	4.2 C	-0.38 C
1977	5.3 C	+0.67 C
1978	3.7 C	-0.88 C
1979	4.9 C	+0.27 C
1980	3.9 C	-0.67 C
1982	4.2 C	-0.35 C
1983	4.3 C	-0.26 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

1969 to 1983

Yearly extremes at French R Chaudiere Dam: 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	32.0 C (89.6 F)	15
Coldest night (TNn)	-41.0 C (-41.8 F)	1981	-36.7 C (-34.1 F)	15
Wettest day (Rx1day)	65.4 mm (2.6 in)	1981	41.7 mm (1.6 in)	15
Wettest five days (Rx5day)	93.2 mm (3.7 in)	1970	57.2 mm (2.3 in)	15
Longest dry spell (CDD)	21 days	1977	14 days	15

Hottest day (TXx)

The hottest day of the year at French R Chaudiere Dam, 1969 to 1983. The record is 35.0 C (95.0 F) in 1975, marked on the chart; the median year is 32.0 C (89.6 F).

Hottest day (TXx) at French R Chaudiere Dam by year
Year	Hottest day (TXx)
1969	3.9 C (39.0 F)
1970	31.1 C (88.0 F)
1971	31.7 C (89.1 F)
1972	30.0 C (86.0 F)
1973	32.2 C (90.0 F)
1974	31.7 C (89.1 F)
1975	35.0 C (95.0 F)
1976	32.8 C (91.0 F)
1977	32.2 C (90.0 F)
1978	33.0 C (91.4 F)
1979	32.0 C (89.6 F)
1980	30.5 C (86.9 F)
1981	33.5 C (92.3 F)
1982	31.0 C (87.8 F)
1983	34.5 C (94.1 F)

Coldest night (TNn)

The coldest night of the year at French R Chaudiere Dam, 1969 to 1983. The record is -41.0 C (-41.8 F) in 1981, marked on the chart; the median year is -36.7 C (-34.1 F).

Coldest night (TNn) at French R Chaudiere Dam by year
Year	Coldest night (TNn)
1969	-32.2 C (-26.0 F)
1970	-37.2 C (-35.0 F)
1971	-38.3 C (-36.9 F)
1972	-38.3 C (-36.9 F)
1973	-33.3 C (-27.9 F)
1974	-28.9 C (-20.0 F)
1975	-34.4 C (-29.9 F)
1976	-37.2 C (-35.0 F)
1977	-35.6 C (-32.1 F)
1978	-36.7 C (-34.1 F)
1979	-35.0 C (-31.0 F)
1980	-37.0 C (-34.6 F)
1981	-41.0 C (-41.8 F)
1982	-40.0 C (-40.0 F)
1983	-35.0 C (-31.0 F)

Wettest day (Rx1day)

The wettest day of the year at French R Chaudiere Dam, 1969 to 1983. The record is 65.4 mm (2.6 in) in 1981, marked on the chart; the median year is 41.7 mm (1.6 in).

Wettest day (Rx1day) at French R Chaudiere Dam by year
Year	Wettest day (Rx1day)
1969	19.3 mm (0.8 in)
1970	43.2 mm (1.7 in)
1971	42.2 mm (1.7 in)
1972	52.1 mm (2.1 in)
1973	25.1 mm (1.0 in)
1974	30.5 mm (1.2 in)
1975	33.0 mm (1.3 in)
1976	41.7 mm (1.6 in)
1977	36.6 mm (1.4 in)
1978	55.0 mm (2.2 in)
1979	37.1 mm (1.5 in)
1980	61.0 mm (2.4 in)
1981	65.4 mm (2.6 in)
1982	35.6 mm (1.4 in)
1983	52.8 mm (2.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at French R Chaudiere Dam, 1969 to 1983. The record is 93.2 mm (3.7 in) in 1970, marked on the chart; the median year is 57.2 mm (2.3 in).

Wettest five days (Rx5day) at French R Chaudiere Dam by year
Year	Wettest five days (Rx5day)
1969	38.9 mm (1.5 in)
1970	93.2 mm (3.7 in)
1971	67.8 mm (2.7 in)
1972	57.2 mm (2.3 in)
1973	54.9 mm (2.2 in)
1974	50.3 mm (2.0 in)
1975	53.1 mm (2.1 in)
1976	57.2 mm (2.3 in)
1977	56.9 mm (2.2 in)
1978	82.0 mm (3.2 in)
1979	52.1 mm (2.1 in)
1980	73.5 mm (2.9 in)
1981	84.9 mm (3.3 in)
1982	70.2 mm (2.8 in)
1983	73.0 mm (2.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at French R Chaudiere Dam, 1969 to 1983. The record is 21 days in 1977, marked on the chart; the median year is 14 days.

Longest dry spell (CDD) at French R Chaudiere Dam by year
Year	Longest dry spell (CDD)
1969	9 days
1970	16 days
1971	12 days
1972	13 days
1973	11 days
1974	14 days
1975	14 days
1976	16 days
1977	21 days
1978	18 days
1979	12 days
1980	20 days
1981	15 days
1982	15 days
1983	14 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 French R Chaudiere Dam standing records by year: CSV or JSON. Field meanings are on the data page.
Data for French R Chaudiere Dam 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). Records are computed by this site and are not official.

Data as of 2026-10-16. Last revised 16 October 2026 (2026-10-16).