St Ambroise Weather Records (CA005042546)

Record envelope, standing records and threshold days for St Ambroise (CA005042546), Manitoba, Canada, with 35 years of record.

Key Facts for St Ambroise

St Ambroise (CA005042546) is a weather station in Manitoba, Canada at 50.23 latitude and -98.03 longitude, 252 m (827 ft) above sea level.
The station reports from 1970 to 2004, 35 years of record.
1,464 records set at St Ambroise still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Manitoba, Canada, 50.23 latitude, -98.03 longitude.
Elevation: 252 m (827 ft).
Period of record: 1970 to 2004, 35 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 Ambroise. 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 Ambroise, 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)	-41.1 C (-42.0 F)	n/a	n/a
Feb	6.7 C (44.1 F)	-41.1 C (-42.0 F)	n/a	n/a
Mar	18.9 C (66.0 F)	-33.9 C (-29.0 F)	n/a	n/a
Apr	30.0 C (86.0 F)	-26.1 C (-15.0 F)	n/a	n/a
May	32.8 C (91.0 F)	-6.1 C (21.0 F)	n/a	n/a
Jun	32.2 C (90.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	35.6 C (96.1 F)	1.7 C (35.1 F)	n/a	n/a
Aug	36.1 C (97.0 F)	-1.1 C (30.0 F)	n/a	n/a
Sep	35.6 C (96.1 F)	-6.7 C (19.9 F)	n/a	n/a
Oct	26.1 C (79.0 F)	-13.3 C (8.1 F)	n/a	n/a
Nov	22.8 C (73.0 F)	-33.0 C (-27.4 F)	n/a	n/a
Dec	4.4 C (39.9 F)	-38.9 C (-38.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at St Ambroise still stand. 1973 holds the most, with 208.

Wettest Day of Each Month

Jul: 49.8 mm (2.0 in)

The wettest day on record for each calendar month at St Ambroise. The most was 49.8 mm (2.0 in) on 17 July 1975.

Record daily precipitation for each month at St Ambroise
Month	Record daily precipitation (mm)	Date
Jan	20.3 mm (0.8 in)	24 January 1975
Feb	18.3 mm (0.7 in)	6 February 1979
Mar	20.3 mm (0.8 in)	27 March 1975
Apr	30.5 mm (1.2 in)	17 April 1971
May	37.8 mm (1.5 in)	24 May 1978
Jun	45.0 mm (1.8 in)	12 June 1977
Jul	49.8 mm (2.0 in)	17 July 1975
Aug	48.3 mm (1.9 in)	5 August 1981
Sep	43.4 mm (1.7 in)	8 September 1977
Oct	28.7 mm (1.1 in)	2 October 1971
Nov	12.7 mm (0.5 in)	28 November 1975
Dec	14.0 mm (0.6 in)	19 December 1978

Period of Record Coverage

1970 to 1979

10 years of record at St Ambroise, 1970 to 1979. 2 years have data for under 90 percent of days and are left out of rankings: 1970, 1979.

Days with data per year at St Ambroise
Year	Days with data	Share of year	Complete
1970	160	44%	No
1971	352	96%	Yes
1972	361	99%	Yes
1973	362	99%	Yes
1974	331	91%	Yes
1975	354	97%	Yes
1976	364	99%	Yes
1977	351	96%	Yes
1978	364	100%	Yes
1979	88	24%	No

Latest Records

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

Extremes by Year

1970 to 1983

Yearly extremes at St Ambroise: 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)	1972	34.2 C (93.5 F)	10
Coldest night (TNn)	-41.1 C (-42.0 F)	1974	-37.5 C (-35.5 F)	10
Wettest day (Rx1day)	49.8 mm (2.0 in)	1975	33.5 mm (1.3 in)	13
Wettest five days (Rx5day)	75.3 mm (3.0 in)	1975	48.4 mm (1.9 in)	13
Longest dry spell (CDD)	67 days	1977	28 days	13

Hottest day (TXx)

The hottest day of the year at St Ambroise, 1970 to 1983. The record is 36.1 C (97.0 F) in 1972, marked on the chart; the median year is 34.2 C (93.5 F).

Hottest day (TXx) at St Ambroise by year
Year	Hottest day (TXx)
1970	33.9 C (93.0 F)
1971	34.4 C (93.9 F)
1972	36.1 C (97.0 F)
1973	32.8 C (91.0 F)
1974	33.9 C (93.0 F)
1975	35.6 C (96.1 F)
1976	35.6 C (96.1 F)
1977	32.8 C (91.0 F)
1978	35.6 C (96.1 F)
1979	4.4 C (39.9 F)
1981	n/a
1982	n/a
1983	n/a

Coldest night (TNn)

The coldest night of the year at St Ambroise, 1970 to 1983. The record is -41.1 C (-42.0 F) in 1974, marked on the chart; the median year is -37.5 C (-35.5 F).

Coldest night (TNn) at St Ambroise by year
Year	Coldest night (TNn)
1970	-35.0 C (-31.0 F)
1971	-37.2 C (-35.0 F)
1972	-37.8 C (-36.0 F)
1973	-38.9 C (-38.0 F)
1974	-41.1 C (-42.0 F)
1975	-35.0 C (-31.0 F)
1976	-35.6 C (-32.1 F)
1977	-38.9 C (-38.0 F)
1978	-37.2 C (-35.0 F)
1979	-39.4 C (-38.9 F)
1981	n/a
1982	n/a
1983	n/a

Wettest day (Rx1day)

The wettest day of the year at St Ambroise, 1970 to 1983. The record is 49.8 mm (2.0 in) in 1975, marked on the chart; the median year is 33.5 mm (1.3 in).

Wettest day (Rx1day) at St Ambroise by year
Year	Wettest day (Rx1day)
1970	38.1 mm (1.5 in)
1971	33.5 mm (1.3 in)
1972	20.8 mm (0.8 in)
1973	37.6 mm (1.5 in)
1974	21.1 mm (0.8 in)
1975	49.8 mm (2.0 in)
1976	31.0 mm (1.2 in)
1977	45.0 mm (1.8 in)
1978	37.8 mm (1.5 in)
1979	18.3 mm (0.7 in)
1981	48.3 mm (1.9 in)
1982	30.3 mm (1.2 in)
1983	20.3 mm (0.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at St Ambroise, 1970 to 1983. The record is 75.3 mm (3.0 in) in 1975, marked on the chart; the median year is 48.4 mm (1.9 in).

Wettest five days (Rx5day) at St Ambroise by year
Year	Wettest five days (Rx5day)
1970	64.5 mm (2.5 in)
1971	50.3 mm (2.0 in)
1972	30.2 mm (1.2 in)
1973	48.4 mm (1.9 in)
1974	48.2 mm (1.9 in)
1975	75.3 mm (3.0 in)
1976	37.6 mm (1.5 in)
1977	62.1 mm (2.4 in)
1978	62.5 mm (2.5 in)
1979	28.0 mm (1.1 in)
1981	65.1 mm (2.6 in)
1982	40.6 mm (1.6 in)
1983	31.9 mm (1.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at St Ambroise, 1970 to 1983. The record is 67 days in 1977, marked on the chart; the median year is 28 days.

Longest dry spell (CDD) at St Ambroise by year
Year	Longest dry spell (CDD)
1970	28 days
1971	26 days
1972	18 days
1973	19 days
1974	17 days
1975	32 days
1976	29 days
1977	67 days
1978	26 days
1979	8 days
1981	40 days
1982	30 days
1983	30 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 Ambroise standing records by year: CSV or JSON. Field meanings are on the data page.
Data for St Ambroise 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).