Rathwell Weather Records (CA005022335)

Record envelope, standing records and threshold days for Rathwell (CA005022335), Manitoba, Canada, with 35 years of record.

Key Facts for Rathwell

Rathwell (CA005022335) is a weather station in Manitoba, Canada at 49.68 latitude and -98.55 longitude, 324 m (1,063 ft) above sea level.
The station reports from 1967 to 2001, 35 years of record.
1,464 records set at Rathwell 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, 49.68 latitude, -98.55 longitude.
Elevation: 324 m (1,063 ft).
Period of record: 1967 to 2001, 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 Rathwell. 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 Rathwell, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	7.5 C (45.5 F)	-38.3 C (-36.9 F)	n/a	n/a
Feb	10.0 C (50.0 F)	-39.4 C (-38.9 F)	n/a	n/a
Mar	17.8 C (64.0 F)	-35.6 C (-32.1 F)	n/a	n/a
Apr	35.0 C (95.0 F)	-27.8 C (-18.0 F)	n/a	n/a
May	38.5 C (101.3 F)	-11.5 C (11.3 F)	n/a	n/a
Jun	37.2 C (99.0 F)	-1.5 C (29.3 F)	n/a	n/a
Jul	36.1 C (97.0 F)	1.5 C (34.7 F)	n/a	n/a
Aug	39.0 C (102.2 F)	-2.5 C (27.5 F)	n/a	n/a
Sep	38.5 C (101.3 F)	-6.7 C (19.9 F)	n/a	n/a
Oct	28.3 C (82.9 F)	-17.2 C (1.0 F)	n/a	n/a
Nov	23.9 C (75.0 F)	-30.6 C (-23.1 F)	n/a	n/a
Dec	14.4 C (57.9 F)	-38.5 C (-37.3 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Rathwell still stand. 1973 holds the most, with 125.

Wettest Day of Each Month

Jul: 96.0 mm (3.8 in)

The wettest day on record for each calendar month at Rathwell. The most was 96.0 mm (3.8 in) on 16 July 1978.

Record daily precipitation for each month at Rathwell
Month	Record daily precipitation (mm)	Date
Jan	16.6 mm (0.7 in)	10 January 1980
Feb	25.4 mm (1.0 in)	26 February 1976
Mar	20.8 mm (0.8 in)	7 March 1970
Apr	35.1 mm (1.4 in)	20 April 1974
May	31.2 mm (1.2 in)	18 May 1977
Jun	67.6 mm (2.7 in)	30 June 1968
Jul	96.0 mm (3.8 in)	16 July 1978
Aug	52.4 mm (2.1 in)	20 August 1980
Sep	53.0 mm (2.1 in)	5 September 1981
Oct	26.7 mm (1.1 in)	2 October 1971
Nov	16.5 mm (0.6 in)	28 November 1975
Dec	16.3 mm (0.6 in)	31 December 1969

Period of Record Coverage

1969 to 1983

15 years of record at Rathwell, 1969 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1969.

Days with data per year at Rathwell
Year	Days with data	Share of year	Complete
1969	180	49%	No
1970	365	100%	Yes
1971	365	100%	Yes
1972	365	100%	Yes
1973	363	99%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	360	99%	Yes
1983	365	100%	Yes

Latest Records

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

Climate Trend

14 complete years, 1970 to 1983

One stripe for each of 14 complete years at Rathwell, 1970 to 1983. Blue stripes are years cooler than the station's own mean of 2.6 C (36.6 F); red stripes are warmer. The coolest year was 1979, at 0.8 C (33.4 F), and the warmest was 1981, at 5.0 C (41.0 F). The strongest colour marks a difference of 2.5 C (4.5 F).

Annual mean temperature at Rathwell as warming stripes, 1970 to 1983
Year	Annual mean temperature	Difference from the station mean
1970	1.5 C	-1.03 C
1971	2.3 C	-0.25 C
1972	1.3 C	-1.29 C
1973	3.6 C	+1.05 C
1974	1.9 C	-0.71 C
1975	2.7 C	+0.14 C
1976	2.7 C	+0.15 C
1977	3.7 C	+1.10 C
1978	1.9 C	-0.70 C
1979	0.8 C	-1.79 C
1980	3.1 C	+0.55 C
1981	5.0 C	+2.42 C
1982	1.9 C	-0.65 C
1983	3.5 C	+0.98 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

1967 to 1983

Yearly extremes at Rathwell: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	39.0 C (102.2 F)	1983	35.5 C (95.9 F)	15
Coldest night (TNn)	-39.4 C (-38.9 F)	1979	-36.7 C (-34.1 F)	15
Wettest day (Rx1day)	96.0 mm (3.8 in)	1978	40.6 mm (1.6 in)	17
Wettest five days (Rx5day)	106.9 mm (4.2 in)	1978	63.6 mm (2.5 in)	17
Longest dry spell (CDD)	74 days	1980	31 days	17

Hottest day (TXx)

The hottest day of the year at Rathwell, 1967 to 1983. The record is 39.0 C (102.2 F) in 1983, marked on the chart; the median year is 35.5 C (95.9 F).

Hottest day (TXx) at Rathwell by year
Year	Hottest day (TXx)
1967	n/a
1968	n/a
1969	35.0 C (95.0 F)
1970	37.2 C (99.0 F)
1971	34.4 C (93.9 F)
1972	35.0 C (95.0 F)
1973	34.4 C (93.9 F)
1974	35.0 C (95.0 F)
1975	36.1 C (97.0 F)
1976	37.2 C (99.0 F)
1977	33.3 C (91.9 F)
1978	36.1 C (97.0 F)
1979	37.0 C (98.6 F)
1980	38.5 C (101.3 F)
1981	35.5 C (95.9 F)
1982	35.5 C (95.9 F)
1983	39.0 C (102.2 F)

Coldest night (TNn)

The coldest night of the year at Rathwell, 1967 to 1983. The record is -39.4 C (-38.9 F) in 1979, marked on the chart; the median year is -36.7 C (-34.1 F).

Coldest night (TNn) at Rathwell by year
Year	Coldest night (TNn)
1967	n/a
1968	n/a
1969	-27.8 C (-18.0 F)
1970	-36.7 C (-34.1 F)
1971	-35.6 C (-32.1 F)
1972	-38.3 C (-36.9 F)
1973	-35.6 C (-32.1 F)
1974	-38.3 C (-36.9 F)
1975	-33.3 C (-27.9 F)
1976	-35.0 C (-31.0 F)
1977	-35.0 C (-31.0 F)
1978	-38.3 C (-36.9 F)
1979	-39.4 C (-38.9 F)
1980	-38.0 C (-36.4 F)
1981	-34.0 C (-29.2 F)
1982	-37.0 C (-34.6 F)
1983	-38.5 C (-37.3 F)

Wettest day (Rx1day)

The wettest day of the year at Rathwell, 1967 to 1983. The record is 96.0 mm (3.8 in) in 1978, marked on the chart; the median year is 40.6 mm (1.6 in).

Wettest day (Rx1day) at Rathwell by year
Year	Wettest day (Rx1day)
1967	22.9 mm (0.9 in)
1968	67.6 mm (2.7 in)
1969	37.6 mm (1.5 in)
1970	21.1 mm (0.8 in)
1971	45.7 mm (1.8 in)
1972	40.6 mm (1.6 in)
1973	36.8 mm (1.4 in)
1974	35.1 mm (1.4 in)
1975	41.4 mm (1.6 in)
1976	28.4 mm (1.1 in)
1977	41.4 mm (1.6 in)
1978	96.0 mm (3.8 in)
1979	30.2 mm (1.2 in)
1980	52.4 mm (2.1 in)
1981	53.0 mm (2.1 in)
1982	45.1 mm (1.8 in)
1983	22.0 mm (0.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Rathwell, 1967 to 1983. The record is 106.9 mm (4.2 in) in 1978, marked on the chart; the median year is 63.6 mm (2.5 in).

Wettest five days (Rx5day) at Rathwell by year
Year	Wettest five days (Rx5day)
1967	42.5 mm (1.7 in)
1968	70.1 mm (2.8 in)
1969	98.6 mm (3.9 in)
1970	41.5 mm (1.6 in)
1971	64.3 mm (2.5 in)
1972	45.7 mm (1.8 in)
1973	75.6 mm (3.0 in)
1974	55.4 mm (2.2 in)
1975	52.1 mm (2.1 in)
1976	67.6 mm (2.7 in)
1977	74.9 mm (2.9 in)
1978	106.9 mm (4.2 in)
1979	47.3 mm (1.9 in)
1980	76.0 mm (3.0 in)
1981	55.8 mm (2.2 in)
1982	63.6 mm (2.5 in)
1983	33.8 mm (1.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Rathwell, 1967 to 1983. The record is 74 days in 1980, marked on the chart; the median year is 31 days.

Longest dry spell (CDD) at Rathwell by year
Year	Longest dry spell (CDD)
1967	31 days
1968	37 days
1969	28 days
1970	20 days
1971	38 days
1972	23 days
1973	35 days
1974	23 days
1975	35 days
1976	26 days
1977	50 days
1978	25 days
1979	19 days
1980	74 days
1981	51 days
1982	46 days
1983	20 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 Rathwell standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Rathwell 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).