Hervey Jonction Weather Records (CA007013102)

Record envelope, standing records and threshold days for Hervey Jonction (CA007013102), Quebec, Canada, with 53 years of record.

Key Facts for Hervey Jonction

Hervey Jonction (CA007013102) is a weather station in Quebec, Canada at 46.85 latitude and -72.47 longitude, 177 m (581 ft) above sea level.
The station reports from 1926 to 1978, 53 years of record.
1,464 records set at Hervey Jonction 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, 46.85 latitude, -72.47 longitude.
Elevation: 177 m (581 ft).
Period of record: 1926 to 1978, 53 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 Hervey Jonction. 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 Hervey Jonction, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	6.7 C (44.1 F)	-36.7 C (-34.1 F)	n/a	n/a
Feb	4.4 C (39.9 F)	-41.1 C (-42.0 F)	n/a	n/a
Mar	16.1 C (61.0 F)	-33.3 C (-27.9 F)	n/a	n/a
Apr	26.1 C (79.0 F)	-17.2 C (1.0 F)	n/a	n/a
May	35.6 C (96.1 F)	-7.8 C (18.0 F)	n/a	n/a
Jun	33.9 C (93.0 F)	-4.4 C (24.1 F)	n/a	n/a
Jul	35.0 C (95.0 F)	1.1 C (34.0 F)	n/a	n/a
Aug	36.1 C (97.0 F)	-0.6 C (30.9 F)	n/a	n/a
Sep	29.4 C (84.9 F)	-6.7 C (19.9 F)	n/a	n/a
Oct	25.6 C (78.1 F)	-11.1 C (12.0 F)	n/a	n/a
Nov	14.4 C (57.9 F)	-25.0 C (-13.0 F)	n/a	n/a
Dec	7.2 C (45.0 F)	-36.7 C (-34.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Hervey Jonction still stand. 1930 holds the most, with 114.

Standing records at Hervey Jonction by the year they were set
Year set	Standing records
1926	9
1927	43
1928	105
1929	94
1930	114
1931	104
1932	112
1933	47
1934	12
1940	51
1941	95
1942	96
1943	102
1944	81
1945	109
1946	51
1972	10
1973	80
1974	36
1975	23
1976	37
1977	31
1978	22

Wettest Day of Each Month

Aug: 97.0 mm (3.8 in)

The wettest day on record for each calendar month at Hervey Jonction. The most was 97.0 mm (3.8 in) on 21 August 1938.

Record daily precipitation for each month at Hervey Jonction
Month	Record daily precipitation (mm)	Date
Jan	29.2 mm (1.1 in)	8 January 1930
Feb	43.7 mm (1.7 in)	2 February 1973
Mar	47.0 mm (1.9 in)	14 March 1940
Apr	53.3 mm (2.1 in)	12 April 1932
May	65.5 mm (2.6 in)	16 May 1946
Jun	85.9 mm (3.4 in)	29 June 1939
Jul	76.7 mm (3.0 in)	20 July 1931
Aug	97.0 mm (3.8 in)	21 August 1938
Sep	80.0 mm (3.1 in)	1 September 1945
Oct	56.1 mm (2.2 in)	6 October 1932
Nov	45.7 mm (1.8 in)	5 November 1940
Dec	53.3 mm (2.1 in)	24 December 1941

Period of Record Coverage

1926 to 1978

23 years of record at Hervey Jonction, 1926 to 1978. 13 years have data for under 90 percent of days and are left out of rankings: 1926, 1927, 1933, 1934, 1940, 1946, 1972, 1973 and others.

Days with data per year at Hervey Jonction
Year	Days with data	Share of year	Complete
1926	11	3%	No
1927	92	25%	No
1928	363	99%	Yes
1929	365	100%	Yes
1930	365	100%	Yes
1931	365	100%	Yes
1932	366	100%	Yes
1933	150	41%	No
1934	28	8%	No
1940	184	50%	No
1941	365	100%	Yes
1942	365	100%	Yes
1943	365	100%	Yes
1944	366	100%	Yes
1945	365	100%	Yes
1946	179	49%	No
1972	61	17%	No
1973	263	72%	No
1974	116	32%	No
1975	147	40%	No
1976	147	40%	No
1977	153	42%	No
1978	137	38%	No

Latest Records

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

Climate Trend

10 complete years, 1928 to 1945

One stripe for each of 10 complete years at Hervey Jonction, 1928 to 1945. Blue stripes are years cooler than the station's own mean of 2.9 C (37.3 F); red stripes are warmer. The coolest year was 1943, at 1.8 C (35.3 F), and the warmest was 1931, at 4.1 C (39.3 F). The strongest colour marks a difference of 1.2 C (2.2 F).

Annual mean temperature at Hervey Jonction as warming stripes, 1928 to 1945
Year	Annual mean temperature	Difference from the station mean
1928	2.0 C	-0.99 C
1929	1.9 C	-1.04 C
1930	3.0 C	+0.05 C
1931	4.1 C	+1.12 C
1932	2.8 C	-0.13 C
1941	3.9 C	+0.96 C
1942	3.7 C	+0.74 C
1943	1.8 C	-1.12 C
1944	3.1 C	+0.12 C
1945	3.2 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

1926 to 1978

Yearly extremes at Hervey Jonction: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.1 C (97.0 F)	1975	30.6 C (87.1 F)	23
Coldest night (TNn)	-41.1 C (-42.0 F)	1943	-31.1 C (-24.0 F)	23
Wettest day (Rx1day)	97.0 mm (3.8 in)	1938	50.8 mm (2.0 in)	27
Wettest five days (Rx5day)	237.8 mm (9.4 in)	1938	80.5 mm (3.2 in)	27
Longest dry spell (CDD)	28 days	1937	12 days	27

Hottest day (TXx)

The hottest day of the year at Hervey Jonction, 1926 to 1978. The record is 36.1 C (97.0 F) in 1975, marked on the chart; the median year is 30.6 C (87.1 F).

Hottest day (TXx) at Hervey Jonction by year
Year	Hottest day (TXx)
1926	21.7 C (71.1 F)
1927	20.0 C (68.0 F)
1928	30.0 C (86.0 F)
1929	30.6 C (87.1 F)
1930	29.4 C (84.9 F)
1931	31.1 C (88.0 F)
1932	31.1 C (88.0 F)
1933	27.8 C (82.0 F)
1934	-5.0 C (23.0 F)
1936	n/a
1937	n/a
1938	n/a
1939	n/a
1940	30.6 C (87.1 F)
1941	33.9 C (93.0 F)
1942	31.1 C (88.0 F)
1943	32.2 C (90.0 F)
1944	33.3 C (91.9 F)
1945	30.0 C (86.0 F)
1946	30.0 C (86.0 F)
1972	4.4 C (39.9 F)
1973	31.7 C (89.1 F)
1974	30.0 C (86.0 F)
1975	36.1 C (97.0 F)
1976	33.3 C (91.9 F)
1977	35.6 C (96.1 F)
1978	33.3 C (91.9 F)

Coldest night (TNn)

The coldest night of the year at Hervey Jonction, 1926 to 1978. The record is -41.1 C (-42.0 F) in 1943, marked on the chart; the median year is -31.1 C (-24.0 F).

Coldest night (TNn) at Hervey Jonction by year
Year	Coldest night (TNn)
1926	-0.6 C (30.9 F)
1927	-27.8 C (-18.0 F)
1928	-38.9 C (-38.0 F)
1929	-36.1 C (-33.0 F)
1930	-35.6 C (-32.1 F)
1931	-31.1 C (-24.0 F)
1932	-32.2 C (-26.0 F)
1933	-31.1 C (-24.0 F)
1934	-36.7 C (-34.1 F)
1936	n/a
1937	n/a
1938	n/a
1939	n/a
1940	-29.4 C (-20.9 F)
1941	-30.6 C (-23.1 F)
1942	-36.7 C (-34.1 F)
1943	-41.1 C (-42.0 F)
1944	-36.1 C (-33.0 F)
1945	-36.7 C (-34.1 F)
1946	-36.1 C (-33.0 F)
1972	-27.8 C (-18.0 F)
1973	-38.9 C (-38.0 F)
1974	-5.0 C (23.0 F)
1975	-1.7 C (28.9 F)
1976	-2.8 C (27.0 F)
1977	-3.0 C (26.6 F)
1978	-6.7 C (19.9 F)

Wettest day (Rx1day)

The wettest day of the year at Hervey Jonction, 1926 to 1978. The record is 97.0 mm (3.8 in) in 1938, marked on the chart; the median year is 50.8 mm (2.0 in).

Wettest day (Rx1day) at Hervey Jonction by year
Year	Wettest day (Rx1day)
1926	12.7 mm (0.5 in)
1927	50.8 mm (2.0 in)
1928	58.4 mm (2.3 in)
1929	35.6 mm (1.4 in)
1930	42.4 mm (1.7 in)
1931	76.7 mm (3.0 in)
1932	59.2 mm (2.3 in)
1933	50.3 mm (2.0 in)
1934	30.5 mm (1.2 in)
1936	39.6 mm (1.6 in)
1937	46.5 mm (1.8 in)
1938	97.0 mm (3.8 in)
1939	85.9 mm (3.4 in)
1940	73.4 mm (2.9 in)
1941	66.0 mm (2.6 in)
1942	62.5 mm (2.5 in)
1943	37.1 mm (1.5 in)
1944	60.2 mm (2.4 in)
1945	80.0 mm (3.1 in)
1946	65.5 mm (2.6 in)
1972	25.1 mm (1.0 in)
1973	43.7 mm (1.7 in)
1974	67.8 mm (2.7 in)
1975	68.1 mm (2.7 in)
1976	40.9 mm (1.6 in)
1977	42.9 mm (1.7 in)
1978	48.0 mm (1.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Hervey Jonction, 1926 to 1978. The record is 237.8 mm (9.4 in) in 1938, marked on the chart; the median year is 80.5 mm (3.2 in).

Wettest five days (Rx5day) at Hervey Jonction by year
Year	Wettest five days (Rx5day)
1926	17.8 mm (0.7 in)
1927	76.3 mm (3.0 in)
1928	96.5 mm (3.8 in)
1929	65.1 mm (2.6 in)
1930	80.5 mm (3.2 in)
1931	110.3 mm (4.3 in)
1932	113.0 mm (4.4 in)
1933	77.9 mm (3.1 in)
1934	36.4 mm (1.4 in)
1936	69.1 mm (2.7 in)
1937	77.4 mm (3.0 in)
1938	237.8 mm (9.4 in)
1939	129.1 mm (5.1 in)
1940	172.7 mm (6.8 in)
1941	110.0 mm (4.3 in)
1942	102.8 mm (4.0 in)
1943	77.9 mm (3.1 in)
1944	126.5 mm (5.0 in)
1945	85.6 mm (3.4 in)
1946	116.6 mm (4.6 in)
1972	49.6 mm (2.0 in)
1973	95.9 mm (3.8 in)
1974	72.7 mm (2.9 in)
1975	96.5 mm (3.8 in)
1976	73.8 mm (2.9 in)
1977	68.5 mm (2.7 in)
1978	64.5 mm (2.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Hervey Jonction, 1926 to 1978. The record is 28 days in 1937, marked on the chart; the median year is 12 days.

Longest dry spell (CDD) at Hervey Jonction by year
Year	Longest dry spell (CDD)
1926	6 days
1927	12 days
1928	8 days
1929	10 days
1930	15 days
1931	11 days
1932	18 days
1933	12 days
1934	5 days
1936	6 days
1937	28 days
1938	17 days
1939	23 days
1940	12 days
1941	24 days
1942	12 days
1943	12 days
1944	14 days
1945	14 days
1946	10 days
1972	5 days
1973	16 days
1974	10 days
1975	10 days
1976	8 days
1977	11 days
1978	12 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 Hervey Jonction standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Hervey Jonction 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).