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Data as of 2025-12-31
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Built 2026-10-18 (18 October 2026)

Grosse Isle Weather Records (CA005021225)

Record envelope, standing records and threshold days for Grosse Isle (CA005021225), Manitoba, Canada, with 44 years of record.

Key Facts for Grosse Isle

  • Grosse Isle (CA005021225) is a weather station in Manitoba, Canada at 50.05 latitude and -97.43 longitude, 245 m (804 ft) above sea level.
  • The station reports from 1964 to 2007, 44 years of record.
  • 0 records set at Grosse Isle 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, 50.05 latitude, -97.43 longitude.
  • Elevation: 245 m (804 ft).
  • Period of record: 1964 to 2007, 44 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Grosse Isle, with 2026 drawn through them The band shows the record high and record low for each calendar day at Grosse Isle. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Grosse Isle. 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 Grosse Isle, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Grosse Isle by the year they were set 0 records at Grosse Isle still stand. 00000000000
0 records at Grosse Isle still stand.
Standing records at Grosse Isle by the year they were set
Year setStanding records

Wettest Day of Each Month

Jul: 69.3 mm (2.7 in)
Record daily precipitation for each month at Grosse Isle The wettest day on record for each calendar month at Grosse Isle. The most was 69.3 mm (2.7 in) on 29 July 1968. 020406080 Jan: 16.5 mm (0.6 in), 24 January 1975 Jan Feb: 10.2 mm (0.4 in), 25 February 1977 Feb Mar: 22.9 mm (0.9 in), 2 March 1970 Mar Apr: 24.1 mm (0.9 in), 19 April 1967 Apr May: 55.1 mm (2.2 in), 24 May 1970 May Jun: 55.1 mm (2.2 in), 26 June 1969 Jun Jul: 69.3 mm (2.7 in), 29 July 1968 Jul Aug: 55.6 mm (2.2 in), 29 August 1970 Aug Sep: 61.0 mm (2.4 in), 12 September 1978 Sep Oct: 27.9 mm (1.1 in), 30 October 1971 Oct Nov: 12.7 mm (0.5 in), 15 November 1965 Nov Dec: 19.0 mm (0.7 in), 1 December 1982 Dec
The wettest day on record for each calendar month at Grosse Isle. The most was 69.3 mm (2.7 in) on 29 July 1968.
Record daily precipitation for each month at Grosse Isle
MonthRecord daily precipitation (mm)Date
Jan16.5 mm (0.6 in)24 January 1975
Feb10.2 mm (0.4 in)25 February 1977
Mar22.9 mm (0.9 in)2 March 1970
Apr24.1 mm (0.9 in)19 April 1967
May55.1 mm (2.2 in)24 May 1970
Jun55.1 mm (2.2 in)26 June 1969
Jul69.3 mm (2.7 in)29 July 1968
Aug55.6 mm (2.2 in)29 August 1970
Sep61.0 mm (2.4 in)12 September 1978
Oct27.9 mm (1.1 in)30 October 1971
Nov12.7 mm (0.5 in)15 November 1965
Dec19.0 mm (0.7 in)1 December 1982

Latest Records

0

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

Extremes by Year

1964 to 1983
Yearly extremes at Grosse Isle: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)69.3 mm (2.7 in)196838.6 mm (1.5 in)20
Wettest five days (Rx5day)97.0 mm (3.8 in)196956.3 mm (2.2 in)20
Longest dry spell (CDD)59 days198023 days20

Wettest day (Rx1day)

Wettest day (Rx1day) at Grosse Isle by year The wettest day of the year at Grosse Isle, 1964 to 1983. The record is 69.3 mm (2.7 in) in 1968, marked on the chart; the median year is 38.6 mm (1.5 in). 0204060801965197019751980Record: 69.3 mm (2.7 in) in 1968
The wettest day of the year at Grosse Isle, 1964 to 1983. The record is 69.3 mm (2.7 in) in 1968, marked on the chart; the median year is 38.6 mm (1.5 in).
Wettest day (Rx1day) at Grosse Isle by year
YearWettest day (Rx1day)
19647.6 mm (0.30 in)
196535.8 mm (1.4 in)
196652.1 mm (2.1 in)
196735.8 mm (1.4 in)
196869.3 mm (2.7 in)
196955.1 mm (2.2 in)
197055.6 mm (2.2 in)
197127.9 mm (1.1 in)
197237.1 mm (1.5 in)
197345.2 mm (1.8 in)
197450.8 mm (2.0 in)
197541.9 mm (1.6 in)
197636.1 mm (1.4 in)
197741.9 mm (1.6 in)
197861.0 mm (2.4 in)
197920.3 mm (0.8 in)
198032.8 mm (1.3 in)
198126.0 mm (1.0 in)
198240.0 mm (1.6 in)
198330.0 mm (1.2 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Grosse Isle by year The wettest five days of the year at Grosse Isle, 1964 to 1983. The record is 97.0 mm (3.8 in) in 1969, marked on the chart; the median year is 56.3 mm (2.2 in). 02550751001965197019751980Record: 97.0 mm (3.8 in) in 1969
The wettest five days of the year at Grosse Isle, 1964 to 1983. The record is 97.0 mm (3.8 in) in 1969, marked on the chart; the median year is 56.3 mm (2.2 in).
Wettest five days (Rx5day) at Grosse Isle by year
YearWettest five days (Rx5day)
196410.1 mm (0.4 in)
196538.6 mm (1.5 in)
196670.9 mm (2.8 in)
196757.1 mm (2.2 in)
196875.4 mm (3.0 in)
196997.0 mm (3.8 in)
197082.3 mm (3.2 in)
197157.9 mm (2.3 in)
197244.5 mm (1.8 in)
197356.4 mm (2.2 in)
197487.4 mm (3.4 in)
197549.5 mm (1.9 in)
197650.8 mm (2.0 in)
197756.1 mm (2.2 in)
197877.2 mm (3.0 in)
197942.2 mm (1.7 in)
198038.1 mm (1.5 in)
198144.2 mm (1.7 in)
198258.0 mm (2.3 in)
198345.6 mm (1.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Grosse Isle by year The longest dry spell of the year at Grosse Isle, 1964 to 1983. The record is 59 days in 1980, marked on the chart; the median year is 23 days. 02040601965197019751980Record: 59 days in 1980
The longest dry spell of the year at Grosse Isle, 1964 to 1983. The record is 59 days in 1980, marked on the chart; the median year is 23 days.
Longest dry spell (CDD) at Grosse Isle by year
YearLongest dry spell (CDD)
196417 days
196518 days
196619 days
196724 days
196840 days
196938 days
197017 days
197126 days
197222 days
197321 days
197419 days
197535 days
197646 days
197720 days
197830 days
197922 days
198059 days
198123 days
198222 days
198326 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 Grosse Isle standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Grosse Isle 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 2026-10-16 (16 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).