Cape Dyer A Weather Records (CA002400654)

Record envelope, standing records and threshold days for Cape Dyer A (CA002400654), Nunavut, Canada, with 66 years of record.

Key Facts for Cape Dyer A

Cape Dyer A (CA002400654) is a weather station in Nunavut, Canada at 66.58 latitude and -61.62 longitude, 393 m (1,289 ft) above sea level.
The station reports from 1958 to 2023, 66 years of record.
1,464 records set at Cape Dyer A still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Nunavut, Canada, 66.58 latitude, -61.62 longitude.
Elevation: 393 m (1,289 ft).
Period of record: 1958 to 2023, 66 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 Cape Dyer A. 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 Cape Dyer A, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	1.1 C (34.0 F)	-43.9 C (-47.0 F)	n/a	n/a
Feb	2.2 C (36.0 F)	-46.9 C (-52.4 F)	n/a	n/a
Mar	2.8 C (37.0 F)	-47.2 C (-53.0 F)	n/a	n/a
Apr	10.0 C (50.0 F)	-39.7 C (-39.5 F)	n/a	n/a
May	9.4 C (48.9 F)	-28.3 C (-18.9 F)	n/a	n/a
Jun	17.8 C (64.0 F)	-13.9 C (7.0 F)	n/a	n/a
Jul	19.4 C (66.9 F)	-5.5 C (22.1 F)	n/a	n/a
Aug	18.9 C (66.0 F)	-9.8 C (14.4 F)	n/a	n/a
Sep	15.6 C (60.1 F)	-18.9 C (-2.0 F)	n/a	n/a
Oct	8.3 C (46.9 F)	-31.1 C (-24.0 F)	n/a	n/a
Nov	2.8 C (37.0 F)	-39.4 C (-38.9 F)	n/a	n/a
Dec	5.6 C (42.1 F)	-45.0 C (-49.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Cape Dyer A still stand. 1963 holds the most, with 91.

Standing records at Cape Dyer A by the year they were set
Year set	Standing records
1958	4
1959	10
1960	70
1961	56
1962	55
1963	91
1964	78
1965	59
1966	63
1967	51
1968	69
1969	45
1970	67
1971	50
1972	75
1973	60
1974	58
1975	60
1976	24
1977	50
1978	73
1979	36
1980	72
1981	68
1982	52
1983	68

Wettest Day of Each Month

Jan: 90.2 mm (3.6 in)

The wettest day on record for each calendar month at Cape Dyer A. The most was 90.2 mm (3.6 in) on 22 January 1980.

Record daily precipitation for each month at Cape Dyer A
Month	Record daily precipitation (mm)	Date
Jan	90.2 mm (3.6 in)	22 January 1980
Feb	56.5 mm (2.2 in)	11 February 1979
Mar	54.9 mm (2.2 in)	16 March 1961
Apr	36.9 mm (1.5 in)	7 April 1977
May	53.3 mm (2.1 in)	16 May 1975
Jun	48.6 mm (1.9 in)	11 June 1979
Jul	51.2 mm (2.0 in)	22 July 1979
Aug	70.9 mm (2.8 in)	19 August 1959
Sep	68.8 mm (2.7 in)	24 September 1976
Oct	80.0 mm (3.1 in)	22 October 1966
Nov	37.4 mm (1.5 in)	27 November 1978
Dec	48.0 mm (1.9 in)	20 December 1978

Period of Record Coverage

1958 to 1983

26 years of record at Cape Dyer A, 1958 to 1983. 2 years have data for under 90 percent of days and are left out of rankings: 1958, 1959.

Days with data per year at Cape Dyer A
Year	Days with data	Share of year	Complete
1958	15	4%	No
1959	139	38%	No
1960	366	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
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	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes

Latest Records

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

Climate Trend

24 complete years, 1960 to 1983

One stripe for each of 24 complete years at Cape Dyer A, 1960 to 1983. Blue stripes are years cooler than the station's own mean of -10.4 C (13.2 F); red stripes are warmer. The coolest year was 1983, at -13.2 C (8.2 F), and the warmest was 1960, at -8.5 C (16.7 F). The strongest colour marks a difference of 2.8 C (5.0 F).

Annual mean temperature at Cape Dyer A as warming stripes, 1960 to 1983
Year	Annual mean temperature	Difference from the station mean
1960	-8.5 C	+1.94 C
1961	-10.9 C	-0.50 C
1962	-8.8 C	+1.66 C
1963	-9.2 C	+1.22 C
1964	-10.9 C	-0.51 C
1965	-9.7 C	+0.77 C
1966	-9.8 C	+0.59 C
1967	-11.4 C	-0.95 C
1968	-9.6 C	+0.79 C
1969	-9.6 C	+0.81 C
1970	-10.8 C	-0.36 C
1971	-11.1 C	-0.66 C
1972	-13.1 C	-2.64 C
1973	-10.1 C	+0.36 C
1974	-10.5 C	-0.11 C
1975	-10.9 C	-0.51 C
1976	-10.6 C	-0.22 C
1977	-9.2 C	+1.24 C
1978	-11.3 C	-0.91 C
1979	-10.4 C	+0.00 C
1980	-9.1 C	+1.31 C
1981	-10.0 C	+0.44 C
1982	-11.4 C	-0.97 C
1983	-13.2 C	-2.80 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

1958 to 1983

Yearly extremes at Cape Dyer A: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	19.4 C (66.9 F)	1966	16.2 C (61.2 F)	26
Coldest night (TNn)	-47.2 C (-53.0 F)	1964	-41.7 C (-43.1 F)	26
Wettest day (Rx1day)	90.2 mm (3.6 in)	1980	49.8 mm (2.0 in)	26
Wettest five days (Rx5day)	156.2 mm (6.1 in)	1968	99.3 mm (3.9 in)	25
Longest dry spell (CDD)	33 days	1972	26 days	26

Hottest day (TXx)

The hottest day of the year at Cape Dyer A, 1958 to 1983. The record is 19.4 C (66.9 F) in 1966, marked on the chart; the median year is 16.2 C (61.2 F).

Hottest day (TXx) at Cape Dyer A by year
Year	Hottest day (TXx)
1958	7.8 C (46.0 F)
1959	10.0 C (50.0 F)
1960	17.8 C (64.0 F)
1961	18.9 C (66.0 F)
1962	18.9 C (66.0 F)
1963	16.7 C (62.1 F)
1964	15.0 C (59.0 F)
1965	18.9 C (66.0 F)
1966	19.4 C (66.9 F)
1967	17.2 C (63.0 F)
1968	15.0 C (59.0 F)
1969	16.1 C (61.0 F)
1970	10.6 C (51.1 F)
1971	14.4 C (57.9 F)
1972	13.9 C (57.0 F)
1973	16.7 C (62.1 F)
1974	18.9 C (66.0 F)
1975	17.8 C (64.0 F)
1976	13.3 C (55.9 F)
1977	14.2 C (57.6 F)
1978	15.6 C (60.1 F)
1979	12.1 C (53.8 F)
1980	15.7 C (60.3 F)
1981	18.3 C (64.9 F)
1982	16.3 C (61.3 F)
1983	16.8 C (62.2 F)

Coldest night (TNn)

The coldest night of the year at Cape Dyer A, 1958 to 1983. The record is -47.2 C (-53.0 F) in 1964, marked on the chart; the median year is -41.7 C (-43.1 F).

Coldest night (TNn) at Cape Dyer A by year
Year	Coldest night (TNn)
1958	-33.3 C (-27.9 F)
1959	-30.0 C (-22.0 F)
1960	-37.8 C (-36.0 F)
1961	-42.2 C (-44.0 F)
1962	-42.2 C (-44.0 F)
1963	-38.9 C (-38.0 F)
1964	-47.2 C (-53.0 F)
1965	-40.6 C (-41.1 F)
1966	-37.8 C (-36.0 F)
1967	-44.4 C (-47.9 F)
1968	-41.1 C (-42.0 F)
1969	-42.2 C (-44.0 F)
1970	-41.7 C (-43.1 F)
1971	-41.7 C (-43.1 F)
1972	-45.0 C (-49.0 F)
1973	-41.1 C (-42.0 F)
1974	-40.0 C (-40.0 F)
1975	-43.9 C (-47.0 F)
1976	-40.0 C (-40.0 F)
1977	-38.2 C (-36.8 F)
1978	-41.8 C (-43.2 F)
1979	-40.4 C (-40.7 F)
1980	-44.0 C (-47.2 F)
1981	-42.6 C (-44.7 F)
1982	-42.6 C (-44.7 F)
1983	-46.9 C (-52.4 F)

Wettest day (Rx1day)

The wettest day of the year at Cape Dyer A, 1958 to 1983. The record is 90.2 mm (3.6 in) in 1980, marked on the chart; the median year is 49.8 mm (2.0 in).

Wettest day (Rx1day) at Cape Dyer A by year
Year	Wettest day (Rx1day)
1958	0.5 mm (0.02 in)
1959	70.9 mm (2.8 in)
1960	39.1 mm (1.5 in)
1961	54.9 mm (2.2 in)
1962	26.7 mm (1.1 in)
1963	31.0 mm (1.2 in)
1964	48.0 mm (1.9 in)
1965	43.7 mm (1.7 in)
1966	80.0 mm (3.1 in)
1967	31.5 mm (1.2 in)
1968	71.9 mm (2.8 in)
1969	51.6 mm (2.0 in)
1970	38.4 mm (1.5 in)
1971	34.8 mm (1.4 in)
1972	63.5 mm (2.5 in)
1973	29.2 mm (1.1 in)
1974	52.3 mm (2.1 in)
1975	53.3 mm (2.1 in)
1976	68.8 mm (2.7 in)
1977	76.4 mm (3.0 in)
1978	48.0 mm (1.9 in)
1979	78.3 mm (3.1 in)
1980	90.2 mm (3.6 in)
1981	39.1 mm (1.5 in)
1982	59.8 mm (2.4 in)
1983	39.8 mm (1.6 in)

Wettest five days (Rx5day)

The wettest five days of the year at Cape Dyer A, 1958 to 1983. The record is 156.2 mm (6.1 in) in 1968, marked on the chart; the median year is 99.3 mm (3.9 in).

Wettest five days (Rx5day) at Cape Dyer A by year
Year	Wettest five days (Rx5day)
1958	n/a
1959	118.9 mm (4.7 in)
1960	69.2 mm (2.7 in)
1961	69.7 mm (2.7 in)
1962	82.4 mm (3.2 in)
1963	48.9 mm (1.9 in)
1964	84.8 mm (3.3 in)
1965	96.4 mm (3.8 in)
1966	111.6 mm (4.4 in)
1967	67.6 mm (2.7 in)
1968	156.2 mm (6.1 in)
1969	99.3 mm (3.9 in)
1970	108.7 mm (4.3 in)
1971	100.8 mm (4.0 in)
1972	129.0 mm (5.1 in)
1973	59.1 mm (2.3 in)
1974	119.0 mm (4.7 in)
1975	90.6 mm (3.6 in)
1976	107.7 mm (4.2 in)
1977	152.8 mm (6.0 in)
1978	109.5 mm (4.3 in)
1979	148.9 mm (5.9 in)
1980	113.2 mm (4.5 in)
1981	65.1 mm (2.6 in)
1982	85.6 mm (3.4 in)
1983	55.9 mm (2.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Cape Dyer A, 1958 to 1983. The record is 33 days in 1972, marked on the chart; the median year is 26 days.

Longest dry spell (CDD) at Cape Dyer A by year
Year	Longest dry spell (CDD)
1958	2 days
1959	24 days
1960	20 days
1961	30 days
1962	25 days
1963	23 days
1964	25 days
1965	27 days
1966	29 days
1967	32 days
1968	31 days
1969	27 days
1970	29 days
1971	32 days
1972	33 days
1973	27 days
1974	30 days
1975	25 days
1976	24 days
1977	22 days
1978	29 days
1979	17 days
1980	28 days
1981	19 days
1982	13 days
1983	23 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

24 years with a frost

Across 24 years with a frost, the median last spring frost at Cape Dyer A falls on 30 June and the median first autumn frost on 1 July, which leaves a median of 2 days between them.

Frost dates and growing season at Cape Dyer A
Measure	Median, all years	Earliest period	Recent period (1960 to 1983)	Recent against earliest	Fitted trend
Last spring frost	30 June	n/a	30 June	n/a	n/a
First autumn frost	1 July	n/a	1 July	n/a	n/a
Growing days	2 days	n/a	2 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 Cape Dyer A standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Cape Dyer A 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).