Grande Vallee Weather Records (CA007052865)

Record envelope, standing records and threshold days for Grande Vallee (CA007052865), Quebec, Canada, with 42 years of record.

Key Facts for Grande Vallee

Grande Vallee (CA007052865) is a weather station in Quebec, Canada at 49.20 latitude and -65.15 longitude, 8 m (26 ft) above sea level.
The station reports from 1963 to 2004, 42 years of record.
1,464 records set at Grande Vallee 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, 49.20 latitude, -65.15 longitude.
Elevation: 8 m (26 ft).
Period of record: 1963 to 2004, 42 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 Grande Vallee. 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 Grande Vallee, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	9.5 C (49.1 F)	-32.0 C (-25.6 F)	n/a	n/a
Feb	15.6 C (60.1 F)	-30.6 C (-23.1 F)	n/a	n/a
Mar	18.3 C (64.9 F)	-25.6 C (-14.1 F)	n/a	n/a
Apr	21.1 C (70.0 F)	-20.0 C (-4.0 F)	n/a	n/a
May	28.5 C (83.3 F)	-5.6 C (21.9 F)	n/a	n/a
Jun	32.5 C (90.5 F)	-2.0 C (28.4 F)	n/a	n/a
Jul	33.0 C (91.4 F)	1.7 C (35.1 F)	n/a	n/a
Aug	35.0 C (95.0 F)	1.0 C (33.8 F)	n/a	n/a
Sep	29.5 C (85.1 F)	-6.1 C (21.0 F)	n/a	n/a
Oct	26.1 C (79.0 F)	-9.4 C (15.1 F)	n/a	n/a
Nov	20.6 C (69.1 F)	-18.3 C (-0.9 F)	n/a	n/a
Dec	14.4 C (57.9 F)	-31.1 C (-24.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Grande Vallee still stand. 1964 holds the most, with 110.

Standing records at Grande Vallee by the year they were set
Year set	Standing records
1963	106
1964	110
1965	78
1966	73
1967	78
1968	80
1969	67
1970	34
1971	66
1972	49
1973	82
1974	56
1975	55
1976	49
1977	46
1978	61
1979	97
1980	61
1981	75
1982	87
1983	54

Wettest Day of Each Month

Aug: 117.3 mm (4.6 in)

The wettest day on record for each calendar month at Grande Vallee. The most was 117.3 mm (4.6 in) on 12 August 1970.

Record daily precipitation for each month at Grande Vallee
Month	Record daily precipitation (mm)	Date
Jan	48.3 mm (1.9 in)	27 January 1963
Feb	48.3 mm (1.9 in)	2 February 1964
Mar	48.5 mm (1.9 in)	4 March 1971
Apr	35.6 mm (1.4 in)	10 April 1966
May	40.2 mm (1.6 in)	31 May 1983
Jun	56.1 mm (2.2 in)	4 June 1965
Jul	80.0 mm (3.1 in)	14 July 1981
Aug	117.3 mm (4.6 in)	12 August 1970
Sep	80.5 mm (3.2 in)	6 September 1979
Oct	101.6 mm (4.0 in)	7 October 1981
Nov	36.8 mm (1.4 in)	23 November 1965
Dec	48.3 mm (1.9 in)	16 December 1972

Period of Record Coverage

1963 to 1983

21 years of record at Grande Vallee, 1963 to 1983. 6 years have data for under 90 percent of days and are left out of rankings: 1970, 1971, 1972, 1973, 1976, 1977.

Days with data per year at Grande Vallee
Year	Days with data	Share of year	Complete
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	363	99%	Yes
1967	365	100%	Yes
1968	365	100%	Yes
1969	357	98%	Yes
1970	295	81%	No
1971	306	84%	No
1972	304	83%	No
1973	292	80%	No
1974	363	99%	Yes
1975	365	100%	Yes
1976	242	66%	No
1977	298	82%	No
1978	363	99%	Yes
1979	360	99%	Yes
1980	359	98%	Yes
1981	353	97%	Yes
1982	352	96%	Yes
1983	351	96%	Yes

Latest Records

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

Climate Trend

13 complete years, 1963 to 1983

One stripe for each of 13 complete years at Grande Vallee, 1963 to 1983. Blue stripes are years cooler than the station's own mean of 3.2 C (37.8 F); red stripes are warmer. The coolest year was 1982, at 2.2 C (36.0 F), and the warmest was 1966, at 4.6 C (40.2 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Grande Vallee as warming stripes, 1963 to 1983
Year	Annual mean temperature	Difference from the station mean
1963	3.1 C	-0.14 C
1964	3.1 C	-0.16 C
1965	2.7 C	-0.57 C
1966	4.6 C	+1.33 C
1967	3.3 C	+0.09 C
1968	3.3 C	+0.09 C
1974	2.3 C	-0.92 C
1978	2.4 C	-0.79 C
1979	4.0 C	+0.77 C
1980	2.9 C	-0.30 C
1981	4.0 C	+0.79 C
1982	2.2 C	-1.00 C
1983	4.0 C	+0.78 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 Grande Vallee: 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)	1977	31.5 C (88.7 F)	21
Coldest night (TNn)	-32.0 C (-25.6 F)	1981	-26.1 C (-15.0 F)	21
Wettest day (Rx1day)	117.3 mm (4.6 in)	1970	48.3 mm (1.9 in)	21
Wettest five days (Rx5day)	127.1 mm (5.0 in)	1965	85.1 mm (3.4 in)	21
Longest dry spell (CDD)	26 days	1979	14 days	21

Hottest day (TXx)

The hottest day of the year at Grande Vallee, 1963 to 1983. The record is 35.0 C (95.0 F) in 1977, marked on the chart; the median year is 31.5 C (88.7 F).

Hottest day (TXx) at Grande Vallee by year
Year	Hottest day (TXx)
1963	32.2 C (90.0 F)
1964	30.0 C (86.0 F)
1965	32.8 C (91.0 F)
1966	28.3 C (82.9 F)
1967	31.7 C (89.1 F)
1968	32.2 C (90.0 F)
1969	32.2 C (90.0 F)
1970	30.6 C (87.1 F)
1971	32.2 C (90.0 F)
1972	31.7 C (89.1 F)
1973	30.6 C (87.1 F)
1974	28.3 C (82.9 F)
1975	32.2 C (90.0 F)
1976	29.4 C (84.9 F)
1977	35.0 C (95.0 F)
1978	31.1 C (88.0 F)
1979	31.1 C (88.0 F)
1980	28.5 C (83.3 F)
1981	31.5 C (88.7 F)
1982	31.5 C (88.7 F)
1983	33.0 C (91.4 F)

Coldest night (TNn)

The coldest night of the year at Grande Vallee, 1963 to 1983. The record is -32.0 C (-25.6 F) in 1981, marked on the chart; the median year is -26.1 C (-15.0 F).

Coldest night (TNn) at Grande Vallee by year
Year	Coldest night (TNn)
1963	-30.0 C (-22.0 F)
1964	-26.1 C (-15.0 F)
1965	-28.3 C (-18.9 F)
1966	-29.4 C (-20.9 F)
1967	-26.1 C (-15.0 F)
1968	-30.6 C (-23.1 F)
1969	-23.3 C (-9.9 F)
1970	-23.3 C (-9.9 F)
1971	-26.1 C (-15.0 F)
1972	-28.9 C (-20.0 F)
1973	-26.1 C (-15.0 F)
1974	-27.8 C (-18.0 F)
1975	-31.7 C (-25.1 F)
1976	-4.4 C (24.1 F)
1977	-19.4 C (-2.9 F)
1978	-24.4 C (-11.9 F)
1979	-29.4 C (-20.9 F)
1980	-25.5 C (-13.9 F)
1981	-32.0 C (-25.6 F)
1982	-31.5 C (-24.7 F)
1983	-25.5 C (-13.9 F)

Wettest day (Rx1day)

The wettest day of the year at Grande Vallee, 1963 to 1983. The record is 117.3 mm (4.6 in) in 1970, marked on the chart; the median year is 48.3 mm (1.9 in).

Wettest day (Rx1day) at Grande Vallee by year
Year	Wettest day (Rx1day)
1963	50.3 mm (2.0 in)
1964	48.3 mm (1.9 in)
1965	83.8 mm (3.3 in)
1966	48.3 mm (1.9 in)
1967	43.4 mm (1.7 in)
1968	72.1 mm (2.8 in)
1969	45.7 mm (1.8 in)
1970	117.3 mm (4.6 in)
1971	48.5 mm (1.9 in)
1972	48.3 mm (1.9 in)
1973	52.8 mm (2.1 in)
1974	25.4 mm (1.0 in)
1975	27.9 mm (1.1 in)
1976	25.4 mm (1.0 in)
1977	35.6 mm (1.4 in)
1978	27.9 mm (1.1 in)
1979	80.5 mm (3.2 in)
1980	62.0 mm (2.4 in)
1981	101.6 mm (4.0 in)
1982	56.0 mm (2.2 in)
1983	42.2 mm (1.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Grande Vallee, 1963 to 1983. The record is 127.1 mm (5.0 in) in 1965, marked on the chart; the median year is 85.1 mm (3.4 in).

Wettest five days (Rx5day) at Grande Vallee by year
Year	Wettest five days (Rx5day)
1963	91.7 mm (3.6 in)
1964	73.7 mm (2.9 in)
1965	127.1 mm (5.0 in)
1966	106.8 mm (4.2 in)
1967	79.0 mm (3.1 in)
1968	85.1 mm (3.4 in)
1969	91.3 mm (3.6 in)
1970	119.3 mm (4.7 in)
1971	83.1 mm (3.3 in)
1972	108.8 mm (4.3 in)
1973	86.0 mm (3.4 in)
1974	41.6 mm (1.6 in)
1975	47.2 mm (1.9 in)
1976	57.1 mm (2.2 in)
1977	80.7 mm (3.2 in)
1978	50.7 mm (2.0 in)
1979	89.7 mm (3.5 in)
1980	66.6 mm (2.6 in)
1981	122.4 mm (4.8 in)
1982	123.6 mm (4.9 in)
1983	66.4 mm (2.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Grande Vallee, 1963 to 1983. The record is 26 days in 1979, marked on the chart; the median year is 14 days.

Longest dry spell (CDD) at Grande Vallee by year
Year	Longest dry spell (CDD)
1963	10 days
1964	17 days
1965	12 days
1966	14 days
1967	12 days
1968	19 days
1969	15 days
1970	10 days
1971	16 days
1972	12 days
1973	14 days
1974	12 days
1975	24 days
1976	11 days
1977	19 days
1978	18 days
1979	26 days
1980	10 days
1981	16 days
1982	12 days
1983	11 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 Grande Vallee standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Grande Vallee 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).