Bonaventure Weather Records (CA007050817)

Record envelope, standing records and threshold days for Bonaventure (CA007050817), Quebec, Canada, with 32 years of record.

Key Facts for Bonaventure

Bonaventure (CA007050817) is a weather station in Quebec, Canada at 48.05 latitude and -65.48 longitude, 20 m (66 ft) above sea level.
The station reports from 1917 to 1948, 32 years of record.
1,464 records set at Bonaventure 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, 48.05 latitude, -65.48 longitude.
Elevation: 20 m (66 ft).
Period of record: 1917 to 1948, 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 Bonaventure. 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 Bonaventure, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	10.0 C (50.0 F)	-33.9 C (-29.0 F)	n/a	n/a
Feb	15.6 C (60.1 F)	-31.1 C (-24.0 F)	n/a	n/a
Mar	12.2 C (54.0 F)	-27.8 C (-18.0 F)	n/a	n/a
Apr	21.1 C (70.0 F)	-17.8 C (0.0 F)	n/a	n/a
May	26.7 C (80.1 F)	-10.0 C (14.0 F)	n/a	n/a
Jun	32.2 C (90.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	37.2 C (99.0 F)	2.2 C (36.0 F)	n/a	n/a
Aug	36.7 C (98.1 F)	1.1 C (34.0 F)	n/a	n/a
Sep	29.4 C (84.9 F)	-5.6 C (21.9 F)	n/a	n/a
Oct	20.6 C (69.1 F)	-8.3 C (17.1 F)	n/a	n/a
Nov	16.7 C (62.1 F)	-21.7 C (-7.1 F)	n/a	n/a
Dec	10.0 C (50.0 F)	-28.9 C (-20.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Bonaventure still stand. 1943 holds the most, with 95.

Standing records at Bonaventure by the year they were set
Year set	Standing records
1917	8
1918	29
1919	5
1921	23
1926	29
1927	54
1928	41
1929	59
1930	61
1931	64
1932	82
1933	70
1934	71
1935	68
1936	90
1937	66
1938	92
1939	50
1940	76
1941	49
1942	80
1943	95
1944	62
1945	31
1946	63
1947	40
1948	6

Wettest Day of Each Month

Jun: 76.2 mm (3.0 in)

The wettest day on record for each calendar month at Bonaventure. The most was 76.2 mm (3.0 in) on 28 June 1921.

Record daily precipitation for each month at Bonaventure
Month	Record daily precipitation (mm)	Date
Jan	36.8 mm (1.4 in)	10 January 1933
Feb	38.1 mm (1.5 in)	11 February 1936
Mar	54.6 mm (2.1 in)	22 March 1936
Apr	50.8 mm (2.0 in)	16 April 1934
May	53.3 mm (2.1 in)	4 May 1921
Jun	76.2 mm (3.0 in)	28 June 1921
Jul	67.8 mm (2.7 in)	8 July 1931
Aug	66.0 mm (2.6 in)	9 August 1927
Sep	58.4 mm (2.3 in)	27 September 1918
Oct	69.9 mm (2.8 in)	11 October 1941
Nov	35.6 mm (1.4 in)	19 November 1926
Dec	37.6 mm (1.5 in)	10 December 1944

Period of Record Coverage

1917 to 1947

26 years of record at Bonaventure, 1917 to 1947. 9 years have data for under 90 percent of days and are left out of rankings: 1917, 1919, 1921, 1926, 1927, 1928, 1945, 1946 and others.

Days with data per year at Bonaventure
Year	Days with data	Share of year	Complete
1917	61	17%	No
1918	342	94%	Yes
1919	181	50%	No
1921	122	33%	No
1926	149	41%	No
1927	322	88%	No
1928	259	71%	No
1929	362	99%	Yes
1930	362	99%	Yes
1931	360	99%	Yes
1932	360	98%	Yes
1933	364	100%	Yes
1934	361	99%	Yes
1935	353	97%	Yes
1936	331	90%	Yes
1937	363	99%	Yes
1938	363	99%	Yes
1939	365	100%	Yes
1940	365	100%	Yes
1941	362	99%	Yes
1942	365	100%	Yes
1943	363	99%	Yes
1944	366	100%	Yes
1945	154	42%	No
1946	272	75%	No
1947	120	33%	No

Latest Records

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

Climate Trend

13 complete years, 1929 to 1944

One stripe for each of 13 complete years at Bonaventure, 1929 to 1944. Blue stripes are years cooler than the station's own mean of 4.1 C (39.3 F); red stripes are warmer. The coolest year was 1934, at 3.2 C (37.7 F), and the warmest was 1931, at 5.3 C (41.5 F). The strongest colour marks a difference of 1.2 C (2.2 F).

Annual mean temperature at Bonaventure as warming stripes, 1929 to 1944
Year	Annual mean temperature	Difference from the station mean
1929	3.5 C	-0.58 C
1930	4.4 C	+0.32 C
1931	5.3 C	+1.18 C
1932	4.7 C	+0.63 C
1933	3.3 C	-0.80 C
1934	3.2 C	-0.89 C
1935	4.0 C	-0.05 C
1937	4.7 C	+0.66 C
1938	5.0 C	+0.93 C
1939	3.5 C	-0.58 C
1940	4.1 C	+0.06 C
1942	4.0 C	-0.10 C
1944	3.3 C	-0.74 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

1917 to 1948

Yearly extremes at Bonaventure: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.2 C (99.0 F)	1940	29.4 C (84.9 F)	26
Coldest night (TNn)	-33.9 C (-29.0 F)	1947	-27.8 C (-18.0 F)	25
Wettest day (Rx1day)	76.2 mm (3.0 in)	1921	38.4 mm (1.5 in)	27
Wettest five days (Rx5day)	121.9 mm (4.8 in)	1919	65.3 mm (2.6 in)	27
Longest dry spell (CDD)	33 days	1937	19 days	27

Hottest day (TXx)

The hottest day of the year at Bonaventure, 1917 to 1948. The record is 37.2 C (99.0 F) in 1940, marked on the chart; the median year is 29.4 C (84.9 F).

Hottest day (TXx) at Bonaventure by year
Year	Hottest day (TXx)
1917	12.8 C (55.0 F)
1918	25.6 C (78.1 F)
1919	27.8 C (82.0 F)
1921	25.6 C (78.1 F)
1926	29.4 C (84.9 F)
1927	28.9 C (84.0 F)
1928	26.7 C (80.1 F)
1929	28.9 C (84.0 F)
1930	27.8 C (82.0 F)
1931	30.0 C (86.0 F)
1932	29.4 C (84.9 F)
1933	30.0 C (86.0 F)
1934	28.9 C (84.0 F)
1935	31.7 C (89.1 F)
1936	33.3 C (91.9 F)
1937	36.1 C (97.0 F)
1938	35.0 C (95.0 F)
1939	36.7 C (98.1 F)
1940	37.2 C (99.0 F)
1941	32.2 C (90.0 F)
1942	30.0 C (86.0 F)
1943	30.6 C (87.1 F)
1944	32.2 C (90.0 F)
1945	27.8 C (82.0 F)
1946	27.8 C (82.0 F)
1947	3.9 C (39.0 F)
1948	n/a

Coldest night (TNn)

The coldest night of the year at Bonaventure, 1917 to 1948. The record is -33.9 C (-29.0 F) in 1947, marked on the chart; the median year is -27.8 C (-18.0 F).

Coldest night (TNn) at Bonaventure by year
Year	Coldest night (TNn)
1917	n/a
1918	n/a
1919	1.1 C (34.0 F)
1921	-17.8 C (0.0 F)
1926	-11.1 C (12.0 F)
1927	-28.9 C (-20.0 F)
1928	-17.8 C (0.0 F)
1929	-25.6 C (-14.1 F)
1930	-27.8 C (-18.0 F)
1931	-27.8 C (-18.0 F)
1932	-27.8 C (-18.0 F)
1933	-27.8 C (-18.0 F)
1934	-27.8 C (-18.0 F)
1935	-27.8 C (-18.0 F)
1936	-28.9 C (-20.0 F)
1937	-30.0 C (-22.0 F)
1938	-23.3 C (-9.9 F)
1939	-26.1 C (-15.0 F)
1940	-26.1 C (-15.0 F)
1941	-32.2 C (-26.0 F)
1942	-27.8 C (-18.0 F)
1943	-31.1 C (-24.0 F)
1944	-27.2 C (-17.0 F)
1945	-27.8 C (-18.0 F)
1946	-28.9 C (-20.0 F)
1947	-33.9 C (-29.0 F)
1948	-3.3 C (26.1 F)

Wettest day (Rx1day)

The wettest day of the year at Bonaventure, 1917 to 1948. The record is 76.2 mm (3.0 in) in 1921, marked on the chart; the median year is 38.4 mm (1.5 in).

Wettest day (Rx1day) at Bonaventure by year
Year	Wettest day (Rx1day)
1917	25.4 mm (1.0 in)
1918	62.2 mm (2.4 in)
1919	35.6 mm (1.4 in)
1921	76.2 mm (3.0 in)
1926	56.6 mm (2.2 in)
1927	66.0 mm (2.6 in)
1928	30.7 mm (1.2 in)
1929	45.2 mm (1.8 in)
1930	45.7 mm (1.8 in)
1931	67.8 mm (2.7 in)
1932	42.9 mm (1.7 in)
1933	57.4 mm (2.3 in)
1934	50.8 mm (2.0 in)
1935	38.4 mm (1.5 in)
1936	54.6 mm (2.1 in)
1937	20.3 mm (0.8 in)
1938	29.5 mm (1.2 in)
1939	32.3 mm (1.3 in)
1940	27.9 mm (1.1 in)
1941	69.9 mm (2.8 in)
1942	30.5 mm (1.2 in)
1943	34.3 mm (1.4 in)
1944	37.6 mm (1.5 in)
1945	37.1 mm (1.5 in)
1946	30.5 mm (1.2 in)
1947	35.6 mm (1.4 in)
1948	41.7 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Bonaventure, 1917 to 1948. The record is 121.9 mm (4.8 in) in 1919, marked on the chart; the median year is 65.3 mm (2.6 in).

Wettest five days (Rx5day) at Bonaventure by year
Year	Wettest five days (Rx5day)
1917	49.5 mm (1.9 in)
1918	110.5 mm (4.4 in)
1919	121.9 mm (4.8 in)
1921	77.5 mm (3.1 in)
1926	65.3 mm (2.6 in)
1927	81.7 mm (3.2 in)
1928	50.8 mm (2.0 in)
1929	89.4 mm (3.5 in)
1930	56.4 mm (2.2 in)
1931	74.7 mm (2.9 in)
1932	49.1 mm (1.9 in)
1933	93.9 mm (3.7 in)
1934	72.6 mm (2.9 in)
1935	55.9 mm (2.2 in)
1936	83.3 mm (3.3 in)
1937	36.8 mm (1.4 in)
1938	34.4 mm (1.4 in)
1939	70.4 mm (2.8 in)
1940	61.7 mm (2.4 in)
1941	92.3 mm (3.6 in)
1942	61.9 mm (2.4 in)
1943	52.3 mm (2.1 in)
1944	52.8 mm (2.1 in)
1945	45.0 mm (1.8 in)
1946	47.0 mm (1.9 in)
1947	81.3 mm (3.2 in)
1948	74.5 mm (2.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Bonaventure, 1917 to 1948. The record is 33 days in 1937, marked on the chart; the median year is 19 days.

Longest dry spell (CDD) at Bonaventure by year
Year	Longest dry spell (CDD)
1917	29 days
1918	28 days
1919	26 days
1921	16 days
1926	17 days
1927	19 days
1928	32 days
1929	15 days
1930	20 days
1931	19 days
1932	16 days
1933	13 days
1934	21 days
1935	22 days
1936	16 days
1937	33 days
1938	15 days
1939	17 days
1940	14 days
1941	20 days
1942	18 days
1943	22 days
1944	21 days
1945	23 days
1946	26 days
1947	14 days
1948	18 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 Bonaventure standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Bonaventure 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).