St Theophile Weather Records (CA007027750)

Record envelope, standing records and threshold days for St Theophile (CA007027750), Quebec, Canada, with 68 years of record.

Key Facts for St Theophile

St Theophile (CA007027750) is a weather station in Quebec, Canada at 45.93 latitude and -70.48 longitude, 395 m (1,296 ft) above sea level.
The station reports from 1950 to 2017, 68 years of record.
1,464 records set at St Theophile still stand.
Records are tracked for tmax, tmin: an element needs 30 years of data to be eligible.

About the Station

Location: Quebec, Canada, 45.93 latitude, -70.48 longitude.
Elevation: 395 m (1,296 ft).
Period of record: 1950 to 2017, 68 years.
Eligible elements: tmax, tmin.

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 Theophile. 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 Theophile, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	14.4 C (57.9 F)	-38.3 C (-36.9 F)	n/a	n/a
Feb	15.0 C (59.0 F)	-40.6 C (-41.1 F)	n/a	n/a
Mar	18.9 C (66.0 F)	-33.0 C (-27.4 F)	n/a	n/a
Apr	27.2 C (81.0 F)	-20.6 C (-5.1 F)	n/a	n/a
May	32.2 C (90.0 F)	-11.7 C (10.9 F)	n/a	n/a
Jun	31.7 C (89.1 F)	-3.3 C (26.1 F)	n/a	n/a
Jul	34.4 C (93.9 F)	0.0 C (32.0 F)	n/a	n/a
Aug	35.0 C (95.0 F)	-2.2 C (28.0 F)	n/a	n/a
Sep	30.6 C (87.1 F)	-7.5 C (18.5 F)	n/a	n/a
Oct	26.1 C (79.0 F)	-12.8 C (9.0 F)	n/a	n/a
Nov	24.4 C (75.9 F)	-23.3 C (-9.9 F)	n/a	n/a
Dec	17.8 C (64.0 F)	-31.7 C (-25.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at St Theophile still stand. 1976 holds the most, with 81.

Standing records at St Theophile by the year they were set
Year set	Standing records
1950	9
1951	53
1952	32
1953	64
1954	45
1955	71
1956	8
1957	49
1958	42
1959	44
1960	31
1961	12
1963	35
1964	42
1965	51
1966	49
1967	55
1968	59
1969	48
1970	57
1971	52
1972	51
1973	43
1974	42
1975	32
1976	81
1977	54
1978	38
1979	66
1980	17
1981	39
1982	44
1983	49

Wettest Day of Each Month

Oct: 86.9 mm (3.4 in)

The wettest day on record for each calendar month at St Theophile. The most was 86.9 mm (3.4 in) on 3 October 1952.

Record daily precipitation for each month at St Theophile
Month	Record daily precipitation (mm)	Date
Jan	45.7 mm (1.8 in)	27 January 1961
Feb	55.4 mm (2.2 in)	7 February 1951
Mar	40.4 mm (1.6 in)	8 March 1956
Apr	35.6 mm (1.4 in)	29 April 1974
May	65.3 mm (2.6 in)	15 May 1953
Jun	38.9 mm (1.5 in)	30 June 1969
Jul	62.7 mm (2.5 in)	31 July 1959
Aug	69.9 mm (2.8 in)	3 August 1957
Sep	56.4 mm (2.2 in)	20 September 1965
Oct	86.9 mm (3.4 in)	3 October 1952
Nov	56.9 mm (2.2 in)	26 November 1950
Dec	37.8 mm (1.5 in)	20 December 1957

Period of Record Coverage

1950 to 1983

33 years of record at St Theophile, 1950 to 1983. 8 years have data for under 90 percent of days and are left out of rankings: 1950, 1952, 1956, 1961, 1963, 1973, 1980, 1981.

Days with data per year at St Theophile
Year	Days with data	Share of year	Complete
1950	61	17%	No
1951	343	94%	Yes
1952	306	84%	No
1953	351	96%	Yes
1954	331	91%	Yes
1955	359	98%	Yes
1956	148	40%	No
1957	333	91%	Yes
1958	344	94%	Yes
1959	357	98%	Yes
1960	353	96%	Yes
1961	146	40%	No
1963	183	50%	No
1964	366	100%	Yes
1965	364	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	357	98%	Yes
1972	366	100%	Yes
1973	319	87%	No
1974	361	99%	Yes
1975	365	100%	Yes
1976	335	92%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	364	100%	Yes
1980	305	83%	No
1981	317	87%	No
1982	355	97%	Yes
1983	364	100%	Yes

Latest Records

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

Climate Trend

20 complete years, 1957 to 1983

One stripe for each of 20 complete years at St Theophile, 1957 to 1983. Blue stripes are years cooler than the station's own mean of 3.6 C (38.6 F); red stripes are warmer. The coolest year was 1972, at 2.7 C (36.9 F), and the warmest was 1983, at 4.6 C (40.3 F). The strongest colour marks a difference of 1.0 C (1.8 F).

Annual mean temperature at St Theophile as warming stripes, 1957 to 1983
Year	Annual mean temperature	Difference from the station mean
1957	4.1 C	+0.48 C
1958	2.9 C	-0.71 C
1959	3.6 C	-0.05 C
1960	4.0 C	+0.34 C
1964	3.8 C	+0.17 C
1965	3.1 C	-0.50 C
1966	4.0 C	+0.33 C
1967	3.2 C	-0.43 C
1968	3.4 C	-0.25 C
1969	3.9 C	+0.30 C
1970	3.4 C	-0.24 C
1971	3.3 C	-0.34 C
1972	2.7 C	-0.93 C
1974	3.3 C	-0.38 C
1975	4.3 C	+0.70 C
1977	3.6 C	-0.03 C
1978	3.0 C	-0.67 C
1979	4.6 C	+0.94 C
1982	4.0 C	+0.32 C
1983	4.6 C	+0.96 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

1950 to 1983

Yearly extremes at St Theophile: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.0 C (95.0 F)	1975	30.6 C (87.1 F)	33
Coldest night (TNn)	-40.6 C (-41.1 F)	1951	-31.7 C (-25.1 F)	33
Wettest day (Rx1day)	86.9 mm (3.4 in)	1952	42.7 mm (1.7 in)	33
Wettest five days (Rx5day)	123.6 mm (4.9 in)	1965	68.6 mm (2.7 in)	33
Longest dry spell (CDD)	24 days	1955	14 days	33

Hottest day (TXx)

The hottest day of the year at St Theophile, 1950 to 1983. The record is 35.0 C (95.0 F) in 1975, marked on the chart; the median year is 30.6 C (87.1 F).

Hottest day (TXx) at St Theophile by year
Year	Hottest day (TXx)
1950	24.4 C (75.9 F)
1951	32.2 C (90.0 F)
1952	34.4 C (93.9 F)
1953	33.9 C (93.0 F)
1954	30.6 C (87.1 F)
1955	33.3 C (91.9 F)
1956	23.9 C (75.0 F)
1957	31.1 C (88.0 F)
1958	27.8 C (82.0 F)
1959	32.8 C (91.0 F)
1960	31.1 C (88.0 F)
1961	32.2 C (90.0 F)
1963	24.4 C (75.9 F)
1964	30.0 C (86.0 F)
1965	29.4 C (84.9 F)
1966	30.0 C (86.0 F)
1967	29.4 C (84.9 F)
1968	31.7 C (89.1 F)
1969	31.7 C (89.1 F)
1970	31.1 C (88.0 F)
1971	30.6 C (87.1 F)
1972	30.6 C (87.1 F)
1973	30.6 C (87.1 F)
1974	31.1 C (88.0 F)
1975	35.0 C (95.0 F)
1976	30.0 C (86.0 F)
1977	31.1 C (88.0 F)
1978	31.1 C (88.0 F)
1979	30.0 C (86.0 F)
1980	28.5 C (83.3 F)
1981	29.5 C (85.1 F)
1982	29.5 C (85.1 F)
1983	33.5 C (92.3 F)

Coldest night (TNn)

The coldest night of the year at St Theophile, 1950 to 1983. The record is -40.6 C (-41.1 F) in 1951, marked on the chart; the median year is -31.7 C (-25.1 F).

Coldest night (TNn) at St Theophile by year
Year	Coldest night (TNn)
1950	-26.1 C (-15.0 F)
1951	-40.6 C (-41.1 F)
1952	-30.0 C (-22.0 F)
1953	-27.2 C (-17.0 F)
1954	-31.1 C (-24.0 F)
1955	-30.0 C (-22.0 F)
1956	-26.1 C (-15.0 F)
1957	-38.3 C (-36.9 F)
1958	-30.0 C (-22.0 F)
1959	-31.1 C (-24.0 F)
1960	-34.4 C (-29.9 F)
1961	-31.1 C (-24.0 F)
1963	-31.7 C (-25.1 F)
1964	-30.6 C (-23.1 F)
1965	-34.4 C (-29.9 F)
1966	-32.8 C (-27.0 F)
1967	-36.7 C (-34.1 F)
1968	-32.8 C (-27.0 F)
1969	-31.7 C (-25.1 F)
1970	-32.2 C (-26.0 F)
1971	-33.3 C (-27.9 F)
1972	-33.9 C (-29.0 F)
1973	-33.3 C (-27.9 F)
1974	-35.6 C (-32.1 F)
1975	-32.2 C (-26.0 F)
1976	-30.0 C (-22.0 F)
1977	-30.6 C (-23.1 F)
1978	-32.2 C (-26.0 F)
1979	-35.0 C (-31.0 F)
1980	-27.0 C (-16.6 F)
1981	-25.0 C (-13.0 F)
1982	-35.0 C (-31.0 F)
1983	-31.0 C (-23.8 F)

Wettest day (Rx1day)

The wettest day of the year at St Theophile, 1950 to 1983. The record is 86.9 mm (3.4 in) in 1952, marked on the chart; the median year is 42.7 mm (1.7 in).

Wettest day (Rx1day) at St Theophile by year
Year	Wettest day (Rx1day)
1950	56.9 mm (2.2 in)
1951	55.4 mm (2.2 in)
1952	86.9 mm (3.4 in)
1953	65.3 mm (2.6 in)
1954	53.3 mm (2.1 in)
1955	30.7 mm (1.2 in)
1956	40.4 mm (1.6 in)
1957	69.9 mm (2.8 in)
1958	30.5 mm (1.2 in)
1959	62.7 mm (2.5 in)
1960	38.1 mm (1.5 in)
1961	45.7 mm (1.8 in)
1963	46.0 mm (1.8 in)
1964	38.1 mm (1.5 in)
1965	69.6 mm (2.7 in)
1966	35.6 mm (1.4 in)
1967	37.8 mm (1.5 in)
1968	41.1 mm (1.6 in)
1969	38.9 mm (1.5 in)
1970	33.8 mm (1.3 in)
1971	36.3 mm (1.4 in)
1972	47.0 mm (1.9 in)
1973	42.7 mm (1.7 in)
1974	41.9 mm (1.6 in)
1975	39.4 mm (1.6 in)
1976	45.2 mm (1.8 in)
1977	43.7 mm (1.7 in)
1978	42.4 mm (1.7 in)
1979	51.8 mm (2.0 in)
1980	23.2 mm (0.9 in)
1981	56.0 mm (2.2 in)
1982	49.3 mm (1.9 in)
1983	35.6 mm (1.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at St Theophile, 1950 to 1983. The record is 123.6 mm (4.9 in) in 1965, marked on the chart; the median year is 68.6 mm (2.7 in).

Wettest five days (Rx5day) at St Theophile by year
Year	Wettest five days (Rx5day)
1950	123.2 mm (4.9 in)
1951	55.6 mm (2.2 in)
1952	98.3 mm (3.9 in)
1953	90.5 mm (3.6 in)
1954	76.2 mm (3.0 in)
1955	34.8 mm (1.4 in)
1956	63.8 mm (2.5 in)
1957	69.9 mm (2.8 in)
1958	50.1 mm (2.0 in)
1959	92.7 mm (3.6 in)
1960	55.9 mm (2.2 in)
1961	68.6 mm (2.7 in)
1963	73.2 mm (2.9 in)
1964	55.6 mm (2.2 in)
1965	123.6 mm (4.9 in)
1966	73.2 mm (2.9 in)
1967	67.6 mm (2.7 in)
1968	55.2 mm (2.2 in)
1969	66.3 mm (2.6 in)
1970	50.6 mm (2.0 in)
1971	61.0 mm (2.4 in)
1972	85.3 mm (3.4 in)
1973	72.9 mm (2.9 in)
1974	69.0 mm (2.7 in)
1975	57.7 mm (2.3 in)
1976	112.8 mm (4.4 in)
1977	72.6 mm (2.9 in)
1978	77.4 mm (3.0 in)
1979	60.5 mm (2.4 in)
1980	43.7 mm (1.7 in)
1981	75.8 mm (3.0 in)
1982	58.2 mm (2.3 in)
1983	59.2 mm (2.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at St Theophile, 1950 to 1983. The record is 24 days in 1955, marked on the chart; the median year is 14 days.

Longest dry spell (CDD) at St Theophile by year
Year	Longest dry spell (CDD)
1950	7 days
1951	16 days
1952	14 days
1953	11 days
1954	8 days
1955	24 days
1956	19 days
1957	15 days
1958	14 days
1959	16 days
1960	16 days
1961	10 days
1963	16 days
1964	13 days
1965	11 days
1966	15 days
1967	12 days
1968	11 days
1969	10 days
1970	12 days
1971	15 days
1972	12 days
1973	14 days
1974	11 days
1975	19 days
1976	11 days
1977	12 days
1978	17 days
1979	22 days
1980	19 days
1981	14 days
1982	21 days
1983	13 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

20 years with a frost

Across 20 years with a frost, the median last spring frost at St Theophile falls on 30 May and the median first autumn frost on 8 September, which leaves a median of 103 days between them.

Frost dates and growing season at St Theophile
Measure	Median, all years	Earliest period	Recent period (1957 to 1983)	Recent against earliest	Fitted trend
Last spring frost	30 May	n/a	30 May	n/a	n/a
First autumn frost	8 September	n/a	8 September	n/a	n/a
Growing days	103 days	n/a	103 days	n/a	n/a

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