Fort Coulonge Weather Records (CA007032440)

Record envelope, standing records and threshold days for Fort Coulonge (CA007032440), Quebec, Canada, with 42 years of record.

Key Facts for Fort Coulonge

Fort Coulonge (CA007032440) is a weather station in Quebec, Canada at 45.82 latitude and -76.75 longitude, 107 m (351 ft) above sea level.
The station reports from 1948 to 1989, 42 years of record.
1,464 records set at Fort Coulonge still stand.
Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
Fort Coulonge set a daily record snowfall of 3.0 cm (1.2 in) on 17 November 1983.

About the Station

Location: Quebec, Canada, 45.82 latitude, -76.75 longitude.
Elevation: 107 m (351 ft).
Period of record: 1948 to 1989, 42 years.
Eligible elements: prcp, snow.

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 Fort Coulonge. 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 Fort Coulonge, 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)	-42.8 C (-45.0 F)	n/a	n/a
Feb	10.5 C (50.9 F)	-37.8 C (-36.0 F)	n/a	n/a
Mar	20.0 C (68.0 F)	-28.9 C (-20.0 F)	n/a	n/a
Apr	28.3 C (82.9 F)	-15.5 C (4.1 F)	n/a	n/a
May	31.7 C (89.1 F)	-6.1 C (21.0 F)	n/a	n/a
Jun	33.0 C (91.4 F)	0.0 C (32.0 F)	n/a	n/a
Jul	34.5 C (94.1 F)	2.0 C (35.6 F)	n/a	n/a
Aug	32.2 C (90.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	32.0 C (89.6 F)	-7.5 C (18.5 F)	n/a	n/a
Oct	25.0 C (77.0 F)	-9.4 C (15.1 F)	n/a	n/a
Nov	18.9 C (66.0 F)	-20.0 C (-4.0 F)	n/a	n/a
Dec	15.5 C (59.9 F)	-35.0 C (-31.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Fort Coulonge still stand. 1981 holds the most, with 258.

Wettest Day of Each Month

Jul: 105.2 mm (4.1 in)

The wettest day on record for each calendar month at Fort Coulonge. The most was 105.2 mm (4.1 in) on 18 July 1951.

Record daily precipitation for each month at Fort Coulonge
Month	Record daily precipitation (mm)	Date
Jan	34.0 mm (1.3 in)	10 January 1977
Feb	40.6 mm (1.6 in)	19 February 1961
Mar	35.6 mm (1.4 in)	27 March 1950
Apr	38.1 mm (1.5 in)	2 April 1979
May	97.3 mm (3.8 in)	26 May 1956
Jun	49.8 mm (2.0 in)	23 June 1972
Jul	105.2 mm (4.1 in)	18 July 1951
Aug	53.3 mm (2.1 in)	10 August 1949
Sep	45.7 mm (1.8 in)	7 September 1959
Oct	67.3 mm (2.6 in)	15 October 1955
Nov	36.8 mm (1.4 in)	20 November 1974
Dec	38.1 mm (1.5 in)	24 December 1965

Period of Record Coverage

1972 to 1983

9 years of record at Fort Coulonge, 1972 to 1983. 6 years have data for under 90 percent of days and are left out of rankings: 1972, 1973, 1974, 1975, 1976, 1980.

Latest Records

Latest records at Fort Coulonge
Date	Station	Record	Value	Beat old record by	Old record stood	Significance
17 November 1983	Fort Coulonge, CA	daily snowfall	3.0 cm (1.2 in)	0.5 cm (0.2 in)	16 years	8 of 100 (Routine)
11 November 1983	Fort Coulonge, CA	daily snowfall	7.0 cm (2.8 in)	6.0 cm (2.4 in)	5 years	20 of 100 (Routine)
5 November 1983	Fort Coulonge, CA	daily rain	12.0 mm (0.5 in)	1.1 mm (0.04 in)	5 years	5 of 100 (Routine)
26 October 1983	Fort Coulonge, CA	daily rain	13.0 mm (0.5 in)	8.2 mm (0.32 in)	32 years	20 of 100 (Routine)
7 October 1983	Fort Coulonge, CA	daily rain	22.0 mm (0.9 in)	2.7 mm (0.11 in)	17 years	10 of 100 (Routine)
3 October 1983	Fort Coulonge, CA	daily rain	10.0 mm (0.4 in)	0.6 mm (0.02 in)	20 years	9 of 100 (Routine)
21 September 1983	Fort Coulonge, CA	daily rain	24.0 mm (0.9 in)	4.9 mm (0.19 in)	17 years	13 of 100 (Routine)
26 August 1983	Fort Coulonge, CA	daily rain	12.0 mm (0.5 in)	0.6 mm (0.02 in)	17 years	8 of 100 (Routine)
17 August 1983	Fort Coulonge, CA	daily rain	23.0 mm (0.9 in)	11.8 mm (0.5 in)	17 years	20 of 100 (Routine)
8 August 1983	Fort Coulonge, CA	daily rain	23.0 mm (0.9 in)	5.0 mm (0.20 in)	0 years	8 of 100 (Routine)
7 May 1983	Fort Coulonge, CA	daily rain	47.0 mm (1.9 in)	35.6 mm (1.4 in)	20 years	43 of 100 (Notable)
20 April 1983	Fort Coulonge, CA	daily snowfall	10.0 cm (3.9 in)	7.5 cm (3.0 in)	12 years	27 of 100 (Routine)
19 April 1983	Fort Coulonge, CA	daily snowfall	5.0 cm (2.0 in)	5.0 cm (2.0 in)	33 years	27 of 100 (Routine)
10 April 1983	Fort Coulonge, CA	daily rain	17.0 mm (0.7 in)	3.0 mm (0.12 in)	21 years	13 of 100 (Routine)
9 April 1983	Fort Coulonge, CA	daily rain	15.0 mm (0.6 in)	2.3 mm (0.09 in)	2 years	6 of 100 (Routine)
21 March 1983	Fort Coulonge, CA	daily snowfall	14.5 cm (5.7 in)	1.8 cm (0.7 in)	33 years	18 of 100 (Routine)
18 March 1983	Fort Coulonge, CA	daily rain	14.0 mm (0.6 in)	8.9 mm (0.35 in)	4 years	19 of 100 (Routine)
22 February 1983	Fort Coulonge, CA	daily snowfall	10.0 cm (3.9 in)	3.1 cm (1.2 in)	20 years	16 of 100 (Routine)
22 February 1983	Fort Coulonge, CA	daily rain	10.0 mm (0.4 in)	3.1 mm (0.12 in)	20 years	14 of 100 (Routine)
7 February 1983	Fort Coulonge, CA	daily snowfall	10.0 cm (3.9 in)	2.4 cm (0.9 in)	9 years	10 of 100 (Routine)

Extremes by Year

1948 to 1983

Yearly extremes at Fort Coulonge: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	34.5 C (94.1 F)	1981	32.2 C (90.0 F)	9
Coldest night (TNn)	-42.8 C (-45.0 F)	1976	-36.1 C (-33.0 F)	9
Wettest day (Rx1day)	105.2 mm (4.1 in)	1951	44.2 mm (1.7 in)	36
Wettest five days (Rx5day)	124.9 mm (4.9 in)	1955	60.8 mm (2.4 in)	36
Longest dry spell (CDD)	30 days	1978	17 days	36

Hottest day (TXx)

The hottest day of the year at Fort Coulonge, 1948 to 1983. The record is 34.5 C (94.1 F) in 1981, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Fort Coulonge by year
Year	Hottest day (TXx)
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	5.0 C (41.0 F)
1973	32.2 C (90.0 F)
1974	31.1 C (88.0 F)
1975	32.2 C (90.0 F)
1976	32.8 C (91.0 F)
1977	n/a
1978	n/a
1979	n/a
1980	31.5 C (88.7 F)
1981	34.5 C (94.1 F)
1982	33.0 C (91.4 F)
1983	34.0 C (93.2 F)

Coldest night (TNn)

The coldest night of the year at Fort Coulonge, 1948 to 1983. The record is -42.8 C (-45.0 F) in 1976, marked on the chart; the median year is -36.1 C (-33.0 F).

Coldest night (TNn) at Fort Coulonge by year
Year	Coldest night (TNn)
1948	n/a
1949	n/a
1950	n/a
1951	n/a
1952	n/a
1953	n/a
1954	n/a
1955	n/a
1956	n/a
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	-30.0 C (-22.0 F)
1973	-37.8 C (-36.0 F)
1974	-36.1 C (-33.0 F)
1975	-35.0 C (-31.0 F)
1976	-42.8 C (-45.0 F)
1977	n/a
1978	n/a
1979	n/a
1980	-18.0 C (-0.4 F)
1981	-40.0 C (-40.0 F)
1982	-38.0 C (-36.4 F)
1983	-35.0 C (-31.0 F)

Wettest day (Rx1day)

The wettest day of the year at Fort Coulonge, 1948 to 1983. The record is 105.2 mm (4.1 in) in 1951, marked on the chart; the median year is 44.2 mm (1.7 in).

Wettest day (Rx1day) at Fort Coulonge by year
Year	Wettest day (Rx1day)
1948	33.0 mm (1.3 in)
1949	53.3 mm (2.1 in)
1950	61.0 mm (2.4 in)
1951	105.2 mm (4.1 in)
1952	35.8 mm (1.4 in)
1953	44.7 mm (1.8 in)
1954	32.8 mm (1.3 in)
1955	67.3 mm (2.6 in)
1956	97.3 mm (3.8 in)
1957	58.9 mm (2.3 in)
1958	50.5 mm (2.0 in)
1959	45.7 mm (1.8 in)
1960	55.9 mm (2.2 in)
1961	41.9 mm (1.6 in)
1962	24.9 mm (1.0 in)
1963	36.8 mm (1.4 in)
1964	23.9 mm (0.9 in)
1965	40.4 mm (1.6 in)
1966	40.4 mm (1.6 in)
1967	43.7 mm (1.7 in)
1968	40.4 mm (1.6 in)
1969	57.2 mm (2.3 in)
1970	45.7 mm (1.8 in)
1971	46.5 mm (1.8 in)
1972	49.8 mm (2.0 in)
1973	30.5 mm (1.2 in)
1974	58.4 mm (2.3 in)
1975	49.3 mm (1.9 in)
1976	26.7 mm (1.1 in)
1977	34.0 mm (1.3 in)
1978	17.8 mm (0.7 in)
1979	38.1 mm (1.5 in)
1980	60.0 mm (2.4 in)
1981	30.0 mm (1.2 in)
1982	27.0 mm (1.1 in)
1983	47.0 mm (1.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Fort Coulonge, 1948 to 1983. The record is 124.9 mm (4.9 in) in 1955, marked on the chart; the median year is 60.8 mm (2.4 in).

Wettest five days (Rx5day) at Fort Coulonge by year
Year	Wettest five days (Rx5day)
1948	35.3 mm (1.4 in)
1949	53.3 mm (2.1 in)
1950	67.9 mm (2.7 in)
1951	114.1 mm (4.5 in)
1952	59.8 mm (2.4 in)
1953	50.8 mm (2.0 in)
1954	57.4 mm (2.3 in)
1955	124.9 mm (4.9 in)
1956	107.8 mm (4.2 in)
1957	84.8 mm (3.3 in)
1958	61.9 mm (2.4 in)
1959	55.4 mm (2.2 in)
1960	66.0 mm (2.6 in)
1961	62.5 mm (2.5 in)
1962	26.9 mm (1.1 in)
1963	48.2 mm (1.9 in)
1964	56.5 mm (2.2 in)
1965	57.6 mm (2.3 in)
1966	59.4 mm (2.3 in)
1967	75.8 mm (3.0 in)
1968	61.5 mm (2.4 in)
1969	73.5 mm (2.9 in)
1970	71.9 mm (2.8 in)
1971	46.5 mm (1.8 in)
1972	116.4 mm (4.6 in)
1973	60.0 mm (2.4 in)
1974	104.7 mm (4.1 in)
1975	58.5 mm (2.3 in)
1976	58.4 mm (2.3 in)
1977	47.0 mm (1.9 in)
1978	32.7 mm (1.3 in)
1979	66.1 mm (2.6 in)
1980	64.0 mm (2.5 in)
1981	65.0 mm (2.6 in)
1982	54.0 mm (2.1 in)
1983	86.0 mm (3.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Fort Coulonge, 1948 to 1983. The record is 30 days in 1978, marked on the chart; the median year is 17 days.

Longest dry spell (CDD) at Fort Coulonge by year
Year	Longest dry spell (CDD)
1948	26 days
1949	21 days
1950	21 days
1951	18 days
1952	17 days
1953	18 days
1954	18 days
1955	10 days
1956	20 days
1957	15 days
1958	21 days
1959	20 days
1960	20 days
1961	25 days
1962	14 days
1963	17 days
1964	10 days
1965	18 days
1966	12 days
1967	18 days
1968	12 days
1969	13 days
1970	17 days
1971	13 days
1972	14 days
1973	11 days
1974	15 days
1975	13 days
1976	14 days
1977	18 days
1978	30 days
1979	13 days
1980	22 days
1981	19 days
1982	16 days
1983	9 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 Fort Coulonge standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Fort Coulonge 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Year	Days with data	Share of year	Complete
1972	28	8%	No
1973	259	71%	No
1974	227	62%	No
1975	257	70%	No
1976	119	33%	No
1980	174	48%	No
1981	357	98%	Yes
1982	351	96%	Yes
1983	362	99%	Yes