St Prosper Weather Records (CA007027660)

Record envelope, standing records and threshold days for St Prosper (CA007027660), Quebec, Canada, with 62 years of record.

Key Facts for St Prosper

St Prosper (CA007027660) is a weather station in Quebec, Canada at 46.22 latitude and -70.50 longitude, 282 m (925 ft) above sea level.
The station reports from 1963 to 2024, 62 years of record.
1,464 records set at St Prosper 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, 46.22 latitude, -70.50 longitude.
Elevation: 282 m (925 ft).
Period of record: 1963 to 2024, 62 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 St Prosper. 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 St Prosper, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	11.5 C (52.7 F)	-41.1 C (-42.0 F)	n/a	n/a
Feb	15.0 C (59.0 F)	-40.6 C (-41.1 F)	n/a	n/a
Mar	17.8 C (64.0 F)	-36.0 C (-32.8 F)	n/a	n/a
Apr	26.1 C (79.0 F)	-20.6 C (-5.1 F)	n/a	n/a
May	31.1 C (88.0 F)	-8.9 C (16.0 F)	n/a	n/a
Jun	31.1 C (88.0 F)	-3.0 C (26.6 F)	n/a	n/a
Jul	34.0 C (93.2 F)	-1.0 C (30.2 F)	n/a	n/a
Aug	34.4 C (93.9 F)	-2.5 C (27.5 F)	n/a	n/a
Sep	30.5 C (86.9 F)	-10.0 C (14.0 F)	n/a	n/a
Oct	26.7 C (80.1 F)	-12.2 C (10.0 F)	n/a	n/a
Nov	22.0 C (71.6 F)	-26.1 C (-15.0 F)	n/a	n/a
Dec	16.7 C (62.1 F)	-35.6 C (-32.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at St Prosper still stand. 1982 holds the most, with 90.

Standing records at St Prosper by the year they were set
Year set	Standing records
1963	54
1964	58
1965	48
1966	66
1967	69
1968	77
1969	45
1970	64
1971	81
1972	77
1973	76
1974	67
1975	63
1976	86
1977	68
1978	59
1979	87
1980	69
1981	81
1982	90
1983	79

Wettest Day of Each Month

Aug: 73.4 mm (2.9 in)

The wettest day on record for each calendar month at St Prosper. The most was 73.4 mm (2.9 in) on 7 August 1972.

Record daily precipitation for each month at St Prosper
Month	Record daily precipitation (mm)	Date
Jan	32.5 mm (1.3 in)	30 January 1966
Feb	29.2 mm (1.1 in)	22 February 1974
Mar	28.7 mm (1.1 in)	4 March 1974
Apr	50.8 mm (2.0 in)	10 April 1963
May	34.5 mm (1.4 in)	12 May 1976
Jun	40.6 mm (1.6 in)	15 June 1972
Jul	65.5 mm (2.6 in)	4 July 1970
Aug	73.4 mm (2.9 in)	7 August 1972
Sep	66.8 mm (2.6 in)	18 September 1976
Oct	40.9 mm (1.6 in)	4 October 1983
Nov	50.8 mm (2.0 in)	11 November 1964
Dec	40.1 mm (1.6 in)	12 December 1967

Period of Record Coverage

1963 to 1983

21 years of record at St Prosper, 1963 to 1983. 2 years have data for under 90 percent of days and are left out of rankings: 1963, 1969.

Days with data per year at St Prosper
Year	Days with data	Share of year	Complete
1963	272	75%	No
1964	335	92%	Yes
1965	365	100%	Yes
1966	363	99%	Yes
1967	364	100%	Yes
1968	334	91%	Yes
1969	232	64%	No
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	362	99%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	357	98%	Yes
1982	365	100%	Yes
1983	365	100%	Yes

Latest Records

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

Climate Trend

17 complete years, 1965 to 1983

One stripe for each of 17 complete years at St Prosper, 1965 to 1983. Blue stripes are years cooler than the station's own mean of 3.2 C (37.7 F); red stripes are warmer. The coolest year was 1972, at 2.1 C (35.7 F), and the warmest was 1973, at 4.4 C (39.9 F). The strongest colour marks a difference of 1.3 C (2.3 F).

Annual mean temperature at St Prosper as warming stripes, 1965 to 1983
Year	Annual mean temperature	Difference from the station mean
1965	3.1 C	-0.02 C
1966	3.9 C	+0.76 C
1967	2.8 C	-0.37 C
1970	2.8 C	-0.41 C
1971	2.7 C	-0.43 C
1972	2.1 C	-1.09 C
1973	4.4 C	+1.22 C
1974	2.7 C	-0.49 C
1975	3.4 C	+0.25 C
1976	2.4 C	-0.72 C
1977	3.4 C	+0.19 C
1978	2.6 C	-0.58 C
1979	4.2 C	+1.02 C
1980	2.5 C	-0.70 C
1981	3.9 C	+0.77 C
1982	2.8 C	-0.40 C
1983	4.1 C	+0.93 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 St Prosper: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	34.4 C (93.9 F)	1975	31.1 C (88.0 F)	21
Coldest night (TNn)	-41.1 C (-42.0 F)	1976	-35.0 C (-31.0 F)	21
Wettest day (Rx1day)	73.4 mm (2.9 in)	1972	50.8 mm (2.0 in)	21
Wettest five days (Rx5day)	110.5 mm (4.4 in)	1972	74.7 mm (2.9 in)	21
Longest dry spell (CDD)	23 days	1980	14 days	21

Hottest day (TXx)

The hottest day of the year at St Prosper, 1963 to 1983. The record is 34.4 C (93.9 F) in 1975, marked on the chart; the median year is 31.1 C (88.0 F).

Hottest day (TXx) at St Prosper by year
Year	Hottest day (TXx)
1963	32.2 C (90.0 F)
1964	31.1 C (88.0 F)
1965	30.0 C (86.0 F)
1966	29.4 C (84.9 F)
1967	30.0 C (86.0 F)
1968	32.2 C (90.0 F)
1969	31.1 C (88.0 F)
1970	31.1 C (88.0 F)
1971	30.0 C (86.0 F)
1972	30.0 C (86.0 F)
1973	30.6 C (87.1 F)
1974	31.1 C (88.0 F)
1975	34.4 C (93.9 F)
1976	30.0 C (86.0 F)
1977	31.1 C (88.0 F)
1978	31.1 C (88.0 F)
1979	31.7 C (89.1 F)
1980	29.0 C (84.2 F)
1981	30.5 C (86.9 F)
1982	31.5 C (88.7 F)
1983	34.0 C (93.2 F)

Coldest night (TNn)

The coldest night of the year at St Prosper, 1963 to 1983. The record is -41.1 C (-42.0 F) in 1976, marked on the chart; the median year is -35.0 C (-31.0 F).

Coldest night (TNn) at St Prosper by year
Year	Coldest night (TNn)
1963	-31.7 C (-25.1 F)
1964	-26.7 C (-16.1 F)
1965	-32.2 C (-26.0 F)
1966	-30.0 C (-22.0 F)
1967	-40.6 C (-41.1 F)
1968	-32.2 C (-26.0 F)
1969	-35.0 C (-31.0 F)
1970	-37.2 C (-35.0 F)
1971	-38.9 C (-38.0 F)
1972	-38.9 C (-38.0 F)
1973	-36.7 C (-34.1 F)
1974	-40.0 C (-40.0 F)
1975	-39.4 C (-38.9 F)
1976	-41.1 C (-42.0 F)
1977	-33.3 C (-27.9 F)
1978	-33.9 C (-29.0 F)
1979	-35.0 C (-31.0 F)
1980	-34.5 C (-30.1 F)
1981	-38.0 C (-36.4 F)
1982	-40.5 C (-40.9 F)
1983	-34.5 C (-30.1 F)

Wettest day (Rx1day)

The wettest day of the year at St Prosper, 1963 to 1983. The record is 73.4 mm (2.9 in) in 1972, marked on the chart; the median year is 50.8 mm (2.0 in).

Wettest day (Rx1day) at St Prosper by year
Year	Wettest day (Rx1day)
1963	52.6 mm (2.1 in)
1964	50.8 mm (2.0 in)
1965	61.7 mm (2.4 in)
1966	59.7 mm (2.4 in)
1967	40.1 mm (1.6 in)
1968	46.0 mm (1.8 in)
1969	39.4 mm (1.6 in)
1970	65.5 mm (2.6 in)
1971	51.6 mm (2.0 in)
1972	73.4 mm (2.9 in)
1973	39.4 mm (1.6 in)
1974	39.1 mm (1.5 in)
1975	36.8 mm (1.4 in)
1976	66.8 mm (2.6 in)
1977	38.6 mm (1.5 in)
1978	72.4 mm (2.9 in)
1979	63.0 mm (2.5 in)
1980	49.6 mm (2.0 in)
1981	60.8 mm (2.4 in)
1982	50.5 mm (2.0 in)
1983	40.9 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at St Prosper, 1963 to 1983. The record is 110.5 mm (4.4 in) in 1972, marked on the chart; the median year is 74.7 mm (2.9 in).

Wettest five days (Rx5day) at St Prosper by year
Year	Wettest five days (Rx5day)
1963	58.7 mm (2.3 in)
1964	73.9 mm (2.9 in)
1965	110.3 mm (4.3 in)
1966	85.6 mm (3.4 in)
1967	57.7 mm (2.3 in)
1968	59.7 mm (2.4 in)
1969	58.4 mm (2.3 in)
1970	84.6 mm (3.3 in)
1971	63.7 mm (2.5 in)
1972	110.5 mm (4.4 in)
1973	84.4 mm (3.3 in)
1974	70.9 mm (2.8 in)
1975	54.1 mm (2.1 in)
1976	99.7 mm (3.9 in)
1977	102.1 mm (4.0 in)
1978	74.7 mm (2.9 in)
1979	73.2 mm (2.9 in)
1980	77.3 mm (3.0 in)
1981	98.7 mm (3.9 in)
1982	72.0 mm (2.8 in)
1983	81.7 mm (3.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at St Prosper, 1963 to 1983. The record is 23 days in 1980, marked on the chart; the median year is 14 days.

Longest dry spell (CDD) at St Prosper by year
Year	Longest dry spell (CDD)
1963	17 days
1964	15 days
1965	12 days
1966	12 days
1967	12 days
1968	11 days
1969	7 days
1970	14 days
1971	12 days
1972	15 days
1973	14 days
1974	12 days
1975	15 days
1976	12 days
1977	15 days
1978	18 days
1979	19 days
1980	23 days
1981	11 days
1982	15 days
1983	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 St Prosper standing records by year: CSV or JSON. Field meanings are on the data page.
Data for St Prosper 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-15. Last revised 15 October 2026 (2026-10-15).