Hemon Weather Records (CA007063090)

Record envelope, standing records and threshold days for Hemon (CA007063090), Quebec, Canada, with 42 years of record.

Key Facts for Hemon

Hemon (CA007063090) is a weather station in Quebec, Canada at 49.07 latitude and -72.60 longitude, 183 m (600 ft) above sea level.
The station reports from 1963 to 2004, 42 years of record.
1,464 records set at Hemon 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, 49.07 latitude, -72.60 longitude.
Elevation: 183 m (600 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 Hemon. 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 Hemon, 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)	-49.0 C (-56.2 F)	n/a	n/a
Feb	8.0 C (46.4 F)	-50.6 C (-59.1 F)	n/a	n/a
Mar	12.8 C (55.0 F)	-42.8 C (-45.0 F)	n/a	n/a
Apr	25.0 C (77.0 F)	-30.6 C (-23.1 F)	n/a	n/a
May	33.3 C (91.9 F)	-13.9 C (7.0 F)	n/a	n/a
Jun	34.4 C (93.9 F)	-5.6 C (21.9 F)	n/a	n/a
Jul	35.0 C (95.0 F)	-1.7 C (28.9 F)	n/a	n/a
Aug	37.8 C (100.0 F)	-3.3 C (26.1 F)	n/a	n/a
Sep	31.5 C (88.7 F)	-8.3 C (17.1 F)	n/a	n/a
Oct	25.5 C (77.9 F)	-17.8 C (0.0 F)	n/a	n/a
Nov	18.3 C (64.9 F)	-31.7 C (-25.1 F)	n/a	n/a
Dec	10.0 C (50.0 F)	-47.0 C (-52.6 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Hemon still stand. 1979 holds the most, with 90.

Standing records at Hemon by the year they were set
Year set	Standing records
1963	10
1964	79
1965	72
1966	83
1967	56
1968	85
1969	74
1970	51
1971	67
1972	73
1973	77
1974	70
1975	62
1976	80
1977	55
1978	72
1979	90
1980	62
1981	86
1982	86
1983	74

Wettest Day of Each Month

Jul: 64.8 mm (2.6 in)

The wettest day on record for each calendar month at Hemon. The most was 64.8 mm (2.6 in) on 4 July 1970.

Record daily precipitation for each month at Hemon
Month	Record daily precipitation (mm)	Date
Jan	36.6 mm (1.4 in)	21 January 1979
Feb	33.8 mm (1.3 in)	20 February 1981
Mar	31.0 mm (1.2 in)	19 March 1983
Apr	30.2 mm (1.2 in)	21 April 1973
May	44.7 mm (1.8 in)	9 May 1964
Jun	37.1 mm (1.5 in)	18 June 1970
Jul	64.8 mm (2.6 in)	4 July 1970
Aug	55.0 mm (2.2 in)	8 August 1980
Sep	50.5 mm (2.0 in)	28 September 1967
Oct	38.1 mm (1.5 in)	9 October 1976
Nov	30.5 mm (1.2 in)	26 November 1972
Dec	39.6 mm (1.6 in)	26 December 1969

Period of Record Coverage

1963 to 1983

21 years of record at Hemon, 1963 to 1983. 4 years have data for under 90 percent of days and are left out of rankings: 1963, 1972, 1977, 1980.

Days with data per year at Hemon
Year	Days with data	Share of year	Complete
1963	61	17%	No
1964	365	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	364	99%	Yes
1969	361	99%	Yes
1970	334	92%	Yes
1971	334	92%	Yes
1972	327	89%	No
1973	352	96%	Yes
1974	357	98%	Yes
1975	358	98%	Yes
1976	366	100%	Yes
1977	321	88%	No
1978	351	96%	Yes
1979	359	98%	Yes
1980	318	87%	No
1981	348	95%	Yes
1982	361	99%	Yes
1983	363	99%	Yes

Latest Records

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

Climate Trend

13 complete years, 1964 to 1983

One stripe for each of 13 complete years at Hemon, 1964 to 1983. Blue stripes are years cooler than the station's own mean of 0.3 C (32.5 F); red stripes are warmer. The coolest year was 1965, at -1.5 C (29.3 F), and the warmest was 1981, at 2.0 C (35.5 F). The strongest colour marks a difference of 1.8 C (3.2 F).

Annual mean temperature at Hemon as warming stripes, 1964 to 1983
Year	Annual mean temperature	Difference from the station mean
1964	0.1 C	-0.23 C
1965	-1.5 C	-1.78 C
1966	1.1 C	+0.82 C
1967	-0.7 C	-1.01 C
1968	0.0 C	-0.31 C
1973	1.4 C	+1.10 C
1974	-0.3 C	-0.61 C
1976	-0.4 C	-0.69 C
1978	-0.4 C	-0.70 C
1979	1.5 C	+1.23 C
1981	2.0 C	+1.65 C
1982	-0.1 C	-0.44 C
1983	1.3 C	+1.00 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 Hemon: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.8 C (100.0 F)	1975	32.2 C (90.0 F)	21
Coldest night (TNn)	-50.6 C (-59.1 F)	1972	-45.6 C (-50.1 F)	21
Wettest day (Rx1day)	64.8 mm (2.6 in)	1970	36.6 mm (1.4 in)	21
Wettest five days (Rx5day)	87.9 mm (3.5 in)	1967	64.4 mm (2.5 in)	21
Longest dry spell (CDD)	33 days	1969	15 days	21

Hottest day (TXx)

The hottest day of the year at Hemon, 1963 to 1983. The record is 37.8 C (100.0 F) in 1975, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Hemon by year
Year	Hottest day (TXx)
1963	11.7 C (53.1 F)
1964	30.0 C (86.0 F)
1965	32.8 C (91.0 F)
1966	31.1 C (88.0 F)
1967	32.2 C (90.0 F)
1968	32.2 C (90.0 F)
1969	32.8 C (91.0 F)
1970	34.4 C (93.9 F)
1971	29.4 C (84.9 F)
1972	31.1 C (88.0 F)
1973	30.6 C (87.1 F)
1974	31.7 C (89.1 F)
1975	37.8 C (100.0 F)
1976	35.0 C (95.0 F)
1977	32.2 C (90.0 F)
1978	34.4 C (93.9 F)
1979	32.2 C (90.0 F)
1980	30.5 C (86.9 F)
1981	30.5 C (86.9 F)
1982	32.5 C (90.5 F)
1983	35.0 C (95.0 F)

Coldest night (TNn)

The coldest night of the year at Hemon, 1963 to 1983. The record is -50.6 C (-59.1 F) in 1972, marked on the chart; the median year is -45.6 C (-50.1 F).

Coldest night (TNn) at Hemon by year
Year	Coldest night (TNn)
1963	-40.6 C (-41.1 F)
1964	-42.2 C (-44.0 F)
1965	-45.6 C (-50.1 F)
1966	-43.9 C (-47.0 F)
1967	-47.8 C (-54.0 F)
1968	-44.4 C (-47.9 F)
1969	-37.8 C (-36.0 F)
1970	-47.2 C (-53.0 F)
1971	-48.3 C (-54.9 F)
1972	-50.6 C (-59.1 F)
1973	-46.1 C (-51.0 F)
1974	-48.3 C (-54.9 F)
1975	-45.0 C (-49.0 F)
1976	-43.9 C (-47.0 F)
1977	-42.8 C (-45.0 F)
1978	-45.6 C (-50.1 F)
1979	-49.0 C (-56.2 F)
1980	-44.5 C (-48.1 F)
1981	-46.0 C (-50.8 F)
1982	-45.0 C (-49.0 F)
1983	-47.0 C (-52.6 F)

Wettest day (Rx1day)

The wettest day of the year at Hemon, 1963 to 1983. The record is 64.8 mm (2.6 in) in 1970, marked on the chart; the median year is 36.6 mm (1.4 in).

Wettest day (Rx1day) at Hemon by year
Year	Wettest day (Rx1day)
1963	25.7 mm (1.0 in)
1964	44.7 mm (1.8 in)
1965	31.5 mm (1.2 in)
1966	34.3 mm (1.4 in)
1967	50.5 mm (2.0 in)
1968	32.3 mm (1.3 in)
1969	40.9 mm (1.6 in)
1970	64.8 mm (2.6 in)
1971	31.8 mm (1.3 in)
1972	31.5 mm (1.2 in)
1973	32.3 mm (1.3 in)
1974	41.1 mm (1.6 in)
1975	53.3 mm (2.1 in)
1976	38.1 mm (1.5 in)
1977	54.6 mm (2.1 in)
1978	33.3 mm (1.3 in)
1979	36.6 mm (1.4 in)
1980	55.0 mm (2.2 in)
1981	53.6 mm (2.1 in)
1982	32.4 mm (1.3 in)
1983	31.0 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Hemon, 1963 to 1983. The record is 87.9 mm (3.5 in) in 1967, marked on the chart; the median year is 64.4 mm (2.5 in).

Wettest five days (Rx5day) at Hemon by year
Year	Wettest five days (Rx5day)
1963	53.8 mm (2.1 in)
1964	66.8 mm (2.6 in)
1965	53.3 mm (2.1 in)
1966	66.1 mm (2.6 in)
1967	87.9 mm (3.5 in)
1968	50.1 mm (2.0 in)
1969	80.0 mm (3.1 in)
1970	81.6 mm (3.2 in)
1971	53.4 mm (2.1 in)
1972	67.6 mm (2.7 in)
1973	55.8 mm (2.2 in)
1974	66.8 mm (2.6 in)
1975	60.2 mm (2.4 in)
1976	57.7 mm (2.3 in)
1977	86.3 mm (3.4 in)
1978	52.1 mm (2.1 in)
1979	68.1 mm (2.7 in)
1980	72.1 mm (2.8 in)
1981	64.4 mm (2.5 in)
1982	63.8 mm (2.5 in)
1983	57.4 mm (2.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Hemon, 1963 to 1983. The record is 33 days in 1969, marked on the chart; the median year is 15 days.

Longest dry spell (CDD) at Hemon by year
Year	Longest dry spell (CDD)
1963	10 days
1964	10 days
1965	15 days
1966	29 days
1967	14 days
1968	18 days
1969	33 days
1970	12 days
1971	17 days
1972	25 days
1973	10 days
1974	22 days
1975	15 days
1976	12 days
1977	11 days
1978	27 days
1979	19 days
1980	16 days
1981	13 days
1982	20 days
1983	10 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 Hemon standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Hemon 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).