Roberval A Weather Records (CA007066685)

Record envelope, standing records and threshold days for Roberval A (CA007066685), Quebec, Canada, with 58 years of record.

Key Facts for Roberval A

Roberval A (CA007066685) is a weather station in Quebec, Canada at 48.52 latitude and -72.27 longitude, 179 m (587 ft) above sea level.
The station reports from 1957 to 2014, 58 years of record.
1,464 records set at Roberval A 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, 48.52 latitude, -72.27 longitude.
Elevation: 179 m (587 ft).
Period of record: 1957 to 2014, 58 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 Roberval A. 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 Roberval A, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	8.9 C (48.0 F)	-38.6 C (-37.5 F)	n/a	n/a
Feb	10.9 C (51.6 F)	-38.9 C (-38.0 F)	n/a	n/a
Mar	17.8 C (64.0 F)	-30.7 C (-23.3 F)	n/a	n/a
Apr	24.1 C (75.4 F)	-21.0 C (-5.8 F)	n/a	n/a
May	34.2 C (93.6 F)	-10.6 C (12.9 F)	n/a	n/a
Jun	34.9 C (94.8 F)	-1.5 C (29.3 F)	n/a	n/a
Jul	35.7 C (96.3 F)	3.9 C (39.0 F)	n/a	n/a
Aug	37.8 C (100.0 F)	0.0 C (32.0 F)	n/a	n/a
Sep	32.8 C (91.0 F)	-4.4 C (24.1 F)	n/a	n/a
Oct	25.8 C (78.4 F)	-11.7 C (10.9 F)	n/a	n/a
Nov	20.8 C (69.4 F)	-23.8 C (-10.8 F)	n/a	n/a
Dec	12.2 C (54.0 F)	-35.6 C (-32.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Roberval A still stand. 1982 holds the most, with 73.

Standing records at Roberval A by the year they were set
Year set	Standing records
1957	19
1958	30
1959	55
1960	29
1961	50
1962	48
1963	59
1964	57
1965	49
1966	61
1967	62
1968	61
1969	49
1970	41
1971	58
1972	62
1973	47
1974	69
1975	46
1976	71
1977	60
1978	51
1979	71
1980	59
1981	63
1982	73
1983	64

Wettest Day of Each Month

Sep: 102.6 mm (4.0 in)

The wettest day on record for each calendar month at Roberval A. The most was 102.6 mm (4.0 in) on 4 September 1970.

Record daily precipitation for each month at Roberval A
Month	Record daily precipitation (mm)	Date
Jan	44.5 mm (1.8 in)	14 January 1979
Feb	41.9 mm (1.6 in)	2 February 1968
Mar	44.5 mm (1.8 in)	17 March 1974
Apr	30.7 mm (1.2 in)	20 April 1958
May	44.2 mm (1.7 in)	11 May 1981
Jun	83.2 mm (3.3 in)	22 June 1981
Jul	73.4 mm (2.9 in)	20 July 1970
Aug	54.0 mm (2.1 in)	15 August 1980
Sep	102.6 mm (4.0 in)	4 September 1970
Oct	45.0 mm (1.8 in)	18 October 1967
Nov	53.1 mm (2.1 in)	14 November 1975
Dec	47.2 mm (1.9 in)	10 December 1975

Period of Record Coverage

1957 to 1983

27 years of record at Roberval A, 1957 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1957.

Days with data per year at Roberval A
Year	Days with data	Share of year	Complete
1957	83	23%	No
1958	365	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	365	100%	Yes
1973	365	100%	Yes
1974	364	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	338	93%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes

Latest Records

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

Climate Trend

25 complete years, 1958 to 1983

One stripe for each of 25 complete years at Roberval A, 1958 to 1983. Blue stripes are years cooler than the station's own mean of 2.1 C (35.8 F); red stripes are warmer. The coolest year was 1972, at 0.4 C (32.7 F), and the warmest was 1981, at 3.6 C (38.5 F). The strongest colour marks a difference of 1.8 C (3.2 F).

Annual mean temperature at Roberval A as warming stripes, 1958 to 1983
Year	Annual mean temperature	Difference from the station mean
1958	2.5 C	+0.36 C
1959	2.5 C	+0.33 C
1960	3.0 C	+0.92 C
1961	2.9 C	+0.79 C
1962	1.7 C	-0.43 C
1963	1.9 C	-0.21 C
1964	2.2 C	+0.07 C
1965	1.2 C	-0.96 C
1966	3.0 C	+0.90 C
1967	1.5 C	-0.67 C
1968	2.2 C	+0.05 C
1969	2.7 C	+0.58 C
1970	1.7 C	-0.44 C
1971	1.6 C	-0.53 C
1972	0.4 C	-1.75 C
1973	2.9 C	+0.80 C
1974	0.9 C	-1.18 C
1975	2.3 C	+0.16 C
1976	1.3 C	-0.86 C
1977	2.9 C	+0.74 C
1978	1.7 C	-0.46 C
1980	1.7 C	-0.38 C
1981	3.6 C	+1.49 C
1982	1.7 C	-0.40 C
1983	3.2 C	+1.07 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

1957 to 1983

Yearly extremes at Roberval A: 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)	1976	32.2 C (90.0 F)	27
Coldest night (TNn)	-38.9 C (-38.0 F)	1971	-35.6 C (-32.1 F)	27
Wettest day (Rx1day)	102.6 mm (4.0 in)	1970	42.4 mm (1.7 in)	27
Wettest five days (Rx5day)	121.7 mm (4.8 in)	1970	68.5 mm (2.7 in)	27
Longest dry spell (CDD)	28 days	1965	16 days	27

Hottest day (TXx)

The hottest day of the year at Roberval A, 1957 to 1983. The record is 37.8 C (100.0 F) in 1976, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Roberval A by year
Year	Hottest day (TXx)
1957	21.1 C (70.0 F)
1958	28.9 C (84.0 F)
1959	32.2 C (90.0 F)
1960	32.8 C (91.0 F)
1961	30.6 C (87.1 F)
1962	32.2 C (90.0 F)
1963	33.3 C (91.9 F)
1964	31.1 C (88.0 F)
1965	31.1 C (88.0 F)
1966	31.7 C (89.1 F)
1967	32.2 C (90.0 F)
1968	34.4 C (93.9 F)
1969	33.9 C (93.0 F)
1970	32.8 C (91.0 F)
1971	30.6 C (87.1 F)
1972	31.7 C (89.1 F)
1973	30.6 C (87.1 F)
1974	31.1 C (88.0 F)
1975	36.7 C (98.1 F)
1976	37.8 C (100.0 F)
1977	34.2 C (93.6 F)
1978	35.1 C (95.2 F)
1979	32.1 C (89.8 F)
1980	31.8 C (89.2 F)
1981	31.1 C (88.0 F)
1982	33.0 C (91.4 F)
1983	35.7 C (96.3 F)

Coldest night (TNn)

The coldest night of the year at Roberval A, 1957 to 1983. The record is -38.9 C (-38.0 F) in 1971, marked on the chart; the median year is -35.6 C (-32.1 F).

Coldest night (TNn) at Roberval A by year
Year	Coldest night (TNn)
1957	-21.7 C (-7.1 F)
1958	-31.1 C (-24.0 F)
1959	-32.8 C (-27.0 F)
1960	-36.1 C (-33.0 F)
1961	-36.1 C (-33.0 F)
1962	-37.8 C (-36.0 F)
1963	-35.6 C (-32.1 F)
1964	-29.4 C (-20.9 F)
1965	-33.3 C (-27.9 F)
1966	-36.1 C (-33.0 F)
1967	-36.7 C (-34.1 F)
1968	-34.4 C (-29.9 F)
1969	-28.3 C (-18.9 F)
1970	-35.6 C (-32.1 F)
1971	-38.9 C (-38.0 F)
1972	-36.1 C (-33.0 F)
1973	-36.7 C (-34.1 F)
1974	-37.2 C (-35.0 F)
1975	-36.7 C (-34.1 F)
1976	-35.6 C (-32.1 F)
1977	-36.9 C (-34.4 F)
1978	-32.9 C (-27.2 F)
1979	-34.4 C (-29.9 F)
1980	-35.6 C (-32.1 F)
1981	-36.2 C (-33.2 F)
1982	-38.6 C (-37.5 F)
1983	-35.1 C (-31.2 F)

Wettest day (Rx1day)

The wettest day of the year at Roberval A, 1957 to 1983. The record is 102.6 mm (4.0 in) in 1970, marked on the chart; the median year is 42.4 mm (1.7 in).

Wettest day (Rx1day) at Roberval A by year
Year	Wettest day (Rx1day)
1957	26.9 mm (1.1 in)
1958	48.8 mm (1.9 in)
1959	46.2 mm (1.8 in)
1960	35.8 mm (1.4 in)
1961	42.4 mm (1.7 in)
1962	42.4 mm (1.7 in)
1963	38.9 mm (1.5 in)
1964	31.2 mm (1.2 in)
1965	33.0 mm (1.3 in)
1966	65.0 mm (2.6 in)
1967	45.2 mm (1.8 in)
1968	41.9 mm (1.6 in)
1969	45.2 mm (1.8 in)
1970	102.6 mm (4.0 in)
1971	24.1 mm (0.9 in)
1972	37.8 mm (1.5 in)
1973	49.5 mm (1.9 in)
1974	44.5 mm (1.8 in)
1975	53.1 mm (2.1 in)
1976	38.9 mm (1.5 in)
1977	41.7 mm (1.6 in)
1978	37.6 mm (1.5 in)
1979	56.6 mm (2.2 in)
1980	54.0 mm (2.1 in)
1981	83.2 mm (3.3 in)
1982	35.4 mm (1.4 in)
1983	32.4 mm (1.3 in)

Wettest five days (Rx5day)

The wettest five days of the year at Roberval A, 1957 to 1983. The record is 121.7 mm (4.8 in) in 1970, marked on the chart; the median year is 68.5 mm (2.7 in).

Wettest five days (Rx5day) at Roberval A by year
Year	Wettest five days (Rx5day)
1957	38.0 mm (1.5 in)
1958	77.0 mm (3.0 in)
1959	92.2 mm (3.6 in)
1960	53.0 mm (2.1 in)
1961	66.5 mm (2.6 in)
1962	93.4 mm (3.7 in)
1963	59.2 mm (2.3 in)
1964	48.6 mm (1.9 in)
1965	50.1 mm (2.0 in)
1966	82.5 mm (3.2 in)
1967	96.5 mm (3.8 in)
1968	74.5 mm (2.9 in)
1969	81.1 mm (3.2 in)
1970	121.7 mm (4.8 in)
1971	56.1 mm (2.2 in)
1972	84.8 mm (3.3 in)
1973	93.2 mm (3.7 in)
1974	67.8 mm (2.7 in)
1975	78.6 mm (3.1 in)
1976	58.7 mm (2.3 in)
1977	50.2 mm (2.0 in)
1978	68.5 mm (2.7 in)
1979	65.8 mm (2.6 in)
1980	84.5 mm (3.3 in)
1981	116.0 mm (4.6 in)
1982	64.4 mm (2.5 in)
1983	66.6 mm (2.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Roberval A, 1957 to 1983. The record is 28 days in 1965, marked on the chart; the median year is 16 days.

Longest dry spell (CDD) at Roberval A by year
Year	Longest dry spell (CDD)
1957	8 days
1958	25 days
1959	24 days
1960	14 days
1961	17 days
1962	17 days
1963	10 days
1964	14 days
1965	28 days
1966	12 days
1967	15 days
1968	25 days
1969	16 days
1970	12 days
1971	17 days
1972	27 days
1973	13 days
1974	10 days
1975	19 days
1976	18 days
1977	13 days
1978	20 days
1979	14 days
1980	16 days
1981	16 days
1982	10 days
1983	17 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.

Frost Dates and Growing Season

25 years with a frost

Across 25 years with a frost, the median last spring frost at Roberval A falls on 20 May and the median first autumn frost on 19 September, which leaves a median of 125 days between them.

Fitted over all years, the growing season changes by -2.1 days per decade at this station.

Frost dates and growing season at Roberval A
Measure	Median, all years	Earliest period	Recent period (1958 to 1983)	Recent against earliest	Fitted trend
Last spring frost	20 May	n/a	20 May	n/a	+0.1 days per decade
First autumn frost	19 September	n/a	19 September	n/a	-2.0 days per decade
Growing days	125 days	n/a	125 days	n/a	-2.1 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for Roberval A standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Roberval A 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).