Cape Hooper Weather Records (CA002400660)

Record envelope, standing records and threshold days for Cape Hooper (CA002400660), Nunavut, Canada, with 66 years of record.

Key Facts for Cape Hooper

Cape Hooper (CA002400660) is a weather station in Nunavut, Canada at 68.47 latitude and -66.82 longitude, 390 m (1,280 ft) above sea level.
The station reports from 1957 to 2022, 66 years of record.
1,464 records set at Cape Hooper 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, 68.47 latitude, -66.82 longitude.
Elevation: 390 m (1,280 ft).
Period of record: 1957 to 2022, 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 Hooper. 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 Hooper, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	-1.7 C (28.9 F)	-40.6 C (-41.1 F)	n/a	n/a
Feb	-0.6 C (30.9 F)	-43.0 C (-45.4 F)	n/a	n/a
Mar	2.3 C (36.1 F)	-40.6 C (-41.1 F)	n/a	n/a
Apr	6.1 C (43.0 F)	-34.0 C (-29.2 F)	n/a	n/a
May	11.1 C (52.0 F)	-27.8 C (-18.0 F)	n/a	n/a
Jun	17.8 C (64.0 F)	-10.6 C (12.9 F)	n/a	n/a
Jul	18.9 C (66.0 F)	-7.8 C (18.0 F)	n/a	n/a
Aug	17.2 C (63.0 F)	-9.4 C (15.1 F)	n/a	n/a
Sep	12.8 C (55.0 F)	-16.2 C (2.8 F)	n/a	n/a
Oct	5.0 C (41.0 F)	-26.0 C (-14.8 F)	n/a	n/a
Nov	2.2 C (36.0 F)	-31.1 C (-24.0 F)	n/a	n/a
Dec	3.3 C (37.9 F)	-41.1 C (-42.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Cape Hooper still stand. 1961 holds the most, with 98.

Standing records at Cape Hooper by the year they were set
Year set	Standing records
1957	48
1958	62
1959	45
1960	57
1961	98
1962	50
1963	54
1964	38
1965	42
1966	59
1967	72
1968	68
1969	47
1970	58
1971	36
1972	72
1973	61
1974	34
1975	53
1976	27
1977	56
1978	63
1979	52
1980	64
1981	36
1982	47
1983	65

Wettest Day of Each Month

Jun: 32.5 mm (1.3 in)

The wettest day on record for each calendar month at Cape Hooper. The most was 32.5 mm (1.3 in) on 27 June 1966.

Record daily precipitation for each month at Cape Hooper
Month	Record daily precipitation (mm)	Date
Jan	22.9 mm (0.9 in)	17 January 1959
Feb	22.4 mm (0.9 in)	13 February 1960
Mar	14.7 mm (0.6 in)	30 March 1968
Apr	22.9 mm (0.9 in)	30 April 1958
May	29.0 mm (1.1 in)	8 May 1981
Jun	32.5 mm (1.3 in)	27 June 1966
Jul	20.8 mm (0.8 in)	24 July 1973
Aug	26.4 mm (1.0 in)	3 August 1964
Sep	20.5 mm (0.8 in)	29 September 1981
Oct	25.4 mm (1.0 in)	16 October 1964
Nov	24.1 mm (0.9 in)	3 November 1969
Dec	22.9 mm (0.9 in)	6 December 1958

Period of Record Coverage

1957 to 1983

27 years of record at Cape Hooper, 1957 to 1983. 2 years have data for under 90 percent of days and are left out of rankings: 1957, 1958.

Days with data per year at Cape Hooper
Year	Days with data	Share of year	Complete
1957	268	73%	No
1958	305	84%	No
1959	338	93%	Yes
1960	357	98%	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	364	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	361	99%	Yes
1983	361	99%	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 Hooper, 1960 to 1983. Blue stripes are years cooler than the station's own mean of -11.8 C (10.7 F); red stripes are warmer. The coolest year was 1972, at -14.5 C (5.9 F), and the warmest was 1980, at -9.7 C (14.5 F). The strongest colour marks a difference of 2.7 C (4.9 F).

Annual mean temperature at Cape Hooper as warming stripes, 1960 to 1983
Year	Annual mean temperature	Difference from the station mean
1960	-11.0 C	+0.86 C
1961	-13.0 C	-1.20 C
1962	-10.9 C	+0.93 C
1963	-11.3 C	+0.55 C
1964	-12.7 C	-0.90 C
1965	-11.3 C	+0.49 C
1966	-10.7 C	+1.09 C
1967	-11.6 C	+0.17 C
1968	-10.8 C	+1.01 C
1969	-10.7 C	+1.14 C
1970	-12.4 C	-0.59 C
1971	-12.2 C	-0.36 C
1972	-14.5 C	-2.69 C
1973	-12.2 C	-0.39 C
1974	-11.9 C	-0.06 C
1975	-11.6 C	+0.21 C
1976	-12.0 C	-0.23 C
1977	-10.8 C	+0.98 C
1978	-13.1 C	-1.24 C
1979	-12.4 C	-0.54 C
1980	-9.7 C	+2.08 C
1981	-10.4 C	+1.42 C
1982	-12.4 C	-0.56 C
1983	-14.0 C	-2.21 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

1957 to 1983

Yearly extremes at Cape Hooper: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	18.9 C (66.0 F)	1962	15.7 C (60.3 F)	27
Coldest night (TNn)	-43.0 C (-45.4 F)	1979	-38.3 C (-36.9 F)	27
Wettest day (Rx1day)	32.5 mm (1.3 in)	1966	18.8 mm (0.7 in)	27
Wettest five days (Rx5day)	71.2 mm (2.8 in)	1981	30.6 mm (1.2 in)	27
Longest dry spell (CDD)	109 days	1964	40 days	27

Hottest day (TXx)

The hottest day of the year at Cape Hooper, 1957 to 1983. The record is 18.9 C (66.0 F) in 1962, marked on the chart; the median year is 15.7 C (60.3 F).

Hottest day (TXx) at Cape Hooper by year
Year	Hottest day (TXx)
1957	16.1 C (61.0 F)
1958	12.2 C (54.0 F)
1959	15.0 C (59.0 F)
1960	17.2 C (63.0 F)
1961	17.2 C (63.0 F)
1962	18.9 C (66.0 F)
1963	15.0 C (59.0 F)
1964	13.3 C (55.9 F)
1965	16.1 C (61.0 F)
1966	16.1 C (61.0 F)
1967	18.3 C (64.9 F)
1968	17.8 C (64.0 F)
1969	18.9 C (66.0 F)
1970	12.2 C (54.0 F)
1971	15.0 C (59.0 F)
1972	11.7 C (53.1 F)
1973	15.0 C (59.0 F)
1974	17.2 C (63.0 F)
1975	17.2 C (63.0 F)
1976	13.9 C (57.0 F)
1977	15.7 C (60.3 F)
1978	14.6 C (58.3 F)
1979	11.0 C (51.8 F)
1980	13.8 C (56.8 F)
1981	18.1 C (64.6 F)
1982	17.1 C (62.8 F)
1983	14.4 C (57.9 F)

Coldest night (TNn)

The coldest night of the year at Cape Hooper, 1957 to 1983. The record is -43.0 C (-45.4 F) in 1979, marked on the chart; the median year is -38.3 C (-36.9 F).

Coldest night (TNn) at Cape Hooper by year
Year	Coldest night (TNn)
1957	-41.1 C (-42.0 F)
1958	-38.3 C (-36.9 F)
1959	-37.8 C (-36.0 F)
1960	-38.3 C (-36.9 F)
1961	-40.6 C (-41.1 F)
1962	-37.2 C (-35.0 F)
1963	-35.6 C (-32.1 F)
1964	-40.6 C (-41.1 F)
1965	-35.0 C (-31.0 F)
1966	-38.9 C (-38.0 F)
1967	-38.3 C (-36.9 F)
1968	-36.7 C (-34.1 F)
1969	-37.2 C (-35.0 F)
1970	-37.8 C (-36.0 F)
1971	-39.4 C (-38.9 F)
1972	-40.0 C (-40.0 F)
1973	-38.9 C (-38.0 F)
1974	-35.0 C (-31.0 F)
1975	-37.8 C (-36.0 F)
1976	-35.0 C (-31.0 F)
1977	-38.9 C (-38.0 F)
1978	-35.2 C (-31.4 F)
1979	-43.0 C (-45.4 F)
1980	-36.6 C (-33.9 F)
1981	-35.0 C (-31.0 F)
1982	-40.0 C (-40.0 F)
1983	-41.6 C (-42.9 F)

Wettest day (Rx1day)

The wettest day of the year at Cape Hooper, 1957 to 1983. The record is 32.5 mm (1.3 in) in 1966, marked on the chart; the median year is 18.8 mm (0.7 in).

Wettest day (Rx1day) at Cape Hooper by year
Year	Wettest day (Rx1day)
1957	15.5 mm (0.6 in)
1958	22.9 mm (0.9 in)
1959	22.9 mm (0.9 in)
1960	22.4 mm (0.9 in)
1961	10.7 mm (0.4 in)
1962	12.7 mm (0.5 in)
1963	16.5 mm (0.6 in)
1964	26.4 mm (1.0 in)
1965	16.5 mm (0.6 in)
1966	32.5 mm (1.3 in)
1967	10.4 mm (0.4 in)
1968	18.8 mm (0.7 in)
1969	24.1 mm (0.9 in)
1970	20.3 mm (0.8 in)
1971	23.4 mm (0.9 in)
1972	17.8 mm (0.7 in)
1973	20.8 mm (0.8 in)
1974	17.3 mm (0.7 in)
1975	19.1 mm (0.8 in)
1976	15.2 mm (0.6 in)
1977	13.0 mm (0.5 in)
1978	18.6 mm (0.7 in)
1979	20.4 mm (0.8 in)
1980	25.0 mm (1.0 in)
1981	29.0 mm (1.1 in)
1982	13.2 mm (0.5 in)
1983	13.2 mm (0.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Cape Hooper, 1957 to 1983. The record is 71.2 mm (2.8 in) in 1981, marked on the chart; the median year is 30.6 mm (1.2 in).

Wettest five days (Rx5day) at Cape Hooper by year
Year	Wettest five days (Rx5day)
1957	29.4 mm (1.2 in)
1958	37.3 mm (1.5 in)
1959	29.5 mm (1.2 in)
1960	49.9 mm (2.0 in)
1961	19.6 mm (0.8 in)
1962	30.6 mm (1.2 in)
1963	24.1 mm (0.9 in)
1964	32.3 mm (1.3 in)
1965	22.6 mm (0.9 in)
1966	42.5 mm (1.7 in)
1967	28.0 mm (1.1 in)
1968	26.9 mm (1.1 in)
1969	40.1 mm (1.6 in)
1970	38.3 mm (1.5 in)
1971	38.4 mm (1.5 in)
1972	24.1 mm (0.9 in)
1973	37.8 mm (1.5 in)
1974	39.4 mm (1.6 in)
1975	39.6 mm (1.6 in)
1976	24.4 mm (1.0 in)
1977	39.0 mm (1.5 in)
1978	26.4 mm (1.0 in)
1979	26.6 mm (1.0 in)
1980	28.0 mm (1.1 in)
1981	71.2 mm (2.8 in)
1982	30.7 mm (1.2 in)
1983	20.1 mm (0.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Cape Hooper, 1957 to 1983. The record is 109 days in 1964, marked on the chart; the median year is 40 days.

Longest dry spell (CDD) at Cape Hooper by year
Year	Longest dry spell (CDD)
1957	14 days
1958	40 days
1959	37 days
1960	41 days
1961	43 days
1962	76 days
1963	48 days
1964	109 days
1965	35 days
1966	84 days
1967	30 days
1968	44 days
1969	29 days
1970	32 days
1971	54 days
1972	104 days
1973	32 days
1974	48 days
1975	90 days
1976	35 days
1977	30 days
1978	46 days
1979	23 days
1980	29 days
1981	24 days
1982	61 days
1983	36 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 Hooper falls on 30 June and the median first autumn frost on 1 July, which leaves a median of 1 day between them.

Frost dates and growing season at Cape Hooper
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	1 day	n/a	1 day	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 Hooper standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Cape Hooper 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).