Longstaff Bluff Weather Records (CA002402684)

Record envelope, standing records and threshold days for Longstaff Bluff (CA002402684), Nunavut, Canada, with 67 years of record.

Key Facts for Longstaff Bluff

Longstaff Bluff (CA002402684) is a weather station in Nunavut, Canada at 68.90 latitude and -75.13 longitude, 161 m (528 ft) above sea level.
The station reports from 1957 to 2023, 67 years of record.
1,464 records set at Longstaff Bluff 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, 68.90 latitude, -75.13 longitude.
Elevation: 161 m (528 ft).
Period of record: 1957 to 2023, 67 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 Longstaff Bluff. 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 Longstaff Bluff, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	-0.2 C (31.6 F)	-47.2 C (-53.0 F)	n/a	n/a
Feb	-1.1 C (30.0 F)	-48.9 C (-56.0 F)	n/a	n/a
Mar	-1.4 C (29.5 F)	-44.4 C (-47.9 F)	n/a	n/a
Apr	-0.6 C (30.9 F)	-40.0 C (-40.0 F)	n/a	n/a
May	10.0 C (50.0 F)	-26.1 C (-15.0 F)	n/a	n/a
Jun	17.8 C (64.0 F)	-15.0 C (5.0 F)	n/a	n/a
Jul	21.7 C (71.1 F)	-5.0 C (23.0 F)	n/a	n/a
Aug	20.6 C (69.1 F)	-4.8 C (23.4 F)	n/a	n/a
Sep	13.3 C (55.9 F)	-13.3 C (8.1 F)	n/a	n/a
Oct	3.5 C (38.3 F)	-30.3 C (-22.5 F)	n/a	n/a
Nov	0.6 C (33.1 F)	-40.0 C (-40.0 F)	n/a	n/a
Dec	0.0 C (32.0 F)	-45.5 C (-49.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Longstaff Bluff still stand. 1978 holds the most, with 82.

Standing records at Longstaff Bluff by the year they were set
Year set	Standing records
1957	4
1958	38
1959	39
1960	72
1961	80
1962	53
1963	61
1964	62
1965	54
1966	80
1967	72
1968	59
1969	58
1970	56
1971	35
1972	62
1973	43
1974	33
1975	61
1976	43
1977	46
1978	82
1979	71
1980	63
1981	53
1982	41
1983	43

Wettest Day of Each Month

Jul: 48.0 mm (1.9 in)

The wettest day on record for each calendar month at Longstaff Bluff. The most was 48.0 mm (1.9 in) on 8 July 1963.

Record daily precipitation for each month at Longstaff Bluff
Month	Record daily precipitation (mm)	Date
Jan	15.2 mm (0.6 in)	24 January 1976
Feb	6.9 mm (0.27 in)	13 February 1960
Mar	12.0 mm (0.5 in)	21 March 1979
Apr	14.0 mm (0.6 in)	25 April 1974
May	17.5 mm (0.7 in)	24 May 1973
Jun	17.0 mm (0.7 in)	25 June 1972
Jul	48.0 mm (1.9 in)	8 July 1963
Aug	45.0 mm (1.8 in)	8 August 1973
Sep	25.1 mm (1.0 in)	4 September 1962
Oct	20.3 mm (0.8 in)	19 October 1972
Nov	13.7 mm (0.5 in)	9 November 1974
Dec	8.6 mm (0.34 in)	28 December 1970

Period of Record Coverage

1957 to 1983

27 years of record at Longstaff Bluff, 1957 to 1983. 3 years have data for under 90 percent of days and are left out of rankings: 1957, 1958, 1983.

Days with data per year at Longstaff Bluff
Year	Days with data	Share of year	Complete
1957	23	6%	No
1958	185	51%	No
1959	350	96%	Yes
1960	358	98%	Yes
1961	364	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	364	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	365	100%	Yes
1981	364	100%	Yes
1982	346	95%	Yes
1983	324	89%	No

Latest Records

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

Climate Trend

24 complete years, 1959 to 1982

One stripe for each of 24 complete years at Longstaff Bluff, 1959 to 1982. Blue stripes are years cooler than the station's own mean of -12.6 C (9.4 F); red stripes are warmer. The coolest year was 1972, at -16.2 C (2.9 F), and the warmest was 1981, at -10.2 C (13.6 F). The strongest colour marks a difference of 3.6 C (6.5 F).

Annual mean temperature at Longstaff Bluff as warming stripes, 1959 to 1982
Year	Annual mean temperature	Difference from the station mean
1959	-12.6 C	-0.06 C
1960	-10.5 C	+2.03 C
1961	-14.3 C	-1.75 C
1962	-11.8 C	+0.76 C
1963	-11.5 C	+1.07 C
1964	-13.9 C	-1.31 C
1965	-11.8 C	+0.73 C
1966	-11.3 C	+1.25 C
1967	-13.4 C	-0.86 C
1968	-12.7 C	-0.14 C
1969	-10.9 C	+1.66 C
1970	-12.5 C	+0.10 C
1971	-12.5 C	+0.03 C
1972	-16.2 C	-3.59 C
1973	-12.4 C	+0.19 C
1974	-13.4 C	-0.84 C
1975	-13.3 C	-0.69 C
1976	-14.0 C	-1.38 C
1977	-10.9 C	+1.65 C
1978	-14.3 C	-1.77 C
1979	-13.3 C	-0.74 C
1980	-10.9 C	+1.72 C
1981	-10.2 C	+2.36 C
1982	-13.0 C	-0.41 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 Longstaff Bluff: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	21.7 C (71.1 F)	1967	17.7 C (63.9 F)	27
Coldest night (TNn)	-48.9 C (-56.0 F)	1979	-44.4 C (-47.9 F)	27
Wettest day (Rx1day)	48.0 mm (1.9 in)	1963	16.5 mm (0.6 in)	26
Wettest five days (Rx5day)	65.8 mm (2.6 in)	1963	32.0 mm (1.3 in)	26
Longest dry spell (CDD)	100 days	1969	54 days	26

Hottest day (TXx)

The hottest day of the year at Longstaff Bluff, 1957 to 1983. The record is 21.7 C (71.1 F) in 1967, marked on the chart; the median year is 17.7 C (63.9 F).

Hottest day (TXx) at Longstaff Bluff by year
Year	Hottest day (TXx)
1957	-6.1 C (21.0 F)
1958	18.9 C (66.0 F)
1959	17.8 C (64.0 F)
1960	18.9 C (66.0 F)
1961	20.6 C (69.1 F)
1962	19.4 C (66.9 F)
1963	16.7 C (62.1 F)
1964	14.4 C (57.9 F)
1965	20.0 C (68.0 F)
1966	20.6 C (69.1 F)
1967	21.7 C (71.1 F)
1968	14.4 C (57.9 F)
1969	18.9 C (66.0 F)
1970	16.7 C (62.1 F)
1971	17.2 C (63.0 F)
1972	14.4 C (57.9 F)
1973	18.3 C (64.9 F)
1974	17.2 C (63.0 F)
1975	18.9 C (66.0 F)
1976	15.6 C (60.1 F)
1977	16.2 C (61.2 F)
1978	13.8 C (56.8 F)
1979	15.2 C (59.4 F)
1980	15.4 C (59.7 F)
1981	17.8 C (64.0 F)
1982	20.4 C (68.7 F)
1983	17.7 C (63.9 F)

Coldest night (TNn)

The coldest night of the year at Longstaff Bluff, 1957 to 1983. The record is -48.9 C (-56.0 F) in 1979, marked on the chart; the median year is -44.4 C (-47.9 F).

Coldest night (TNn) at Longstaff Bluff by year
Year	Coldest night (TNn)
1957	-32.8 C (-27.0 F)
1958	-36.7 C (-34.1 F)
1959	-42.8 C (-45.0 F)
1960	-42.8 C (-45.0 F)
1961	-45.0 C (-49.0 F)
1962	-46.1 C (-51.0 F)
1963	-43.9 C (-47.0 F)
1964	-44.4 C (-47.9 F)
1965	-41.1 C (-42.0 F)
1966	-46.1 C (-51.0 F)
1967	-45.6 C (-50.1 F)
1968	-45.6 C (-50.1 F)
1969	-42.8 C (-45.0 F)
1970	-42.8 C (-45.0 F)
1971	-45.0 C (-49.0 F)
1972	-47.2 C (-53.0 F)
1973	-45.0 C (-49.0 F)
1974	-43.3 C (-45.9 F)
1975	-45.6 C (-50.1 F)
1976	-42.8 C (-45.0 F)
1977	-41.4 C (-42.5 F)
1978	-46.4 C (-51.5 F)
1979	-48.9 C (-56.0 F)
1980	-39.0 C (-38.2 F)
1981	-38.7 C (-37.7 F)
1982	-45.5 C (-49.9 F)
1983	-47.2 C (-53.0 F)

Wettest day (Rx1day)

The wettest day of the year at Longstaff Bluff, 1957 to 1983. The record is 48.0 mm (1.9 in) in 1963, marked on the chart; the median year is 16.5 mm (0.6 in).

Wettest day (Rx1day) at Longstaff Bluff by year
Year	Wettest day (Rx1day)
1957	n/a
1958	13.5 mm (0.5 in)
1959	14.5 mm (0.6 in)
1960	15.2 mm (0.6 in)
1961	26.7 mm (1.1 in)
1962	35.6 mm (1.4 in)
1963	48.0 mm (1.9 in)
1964	30.2 mm (1.2 in)
1965	42.9 mm (1.7 in)
1966	14.5 mm (0.6 in)
1967	27.9 mm (1.1 in)
1968	16.5 mm (0.6 in)
1969	12.4 mm (0.5 in)
1970	18.0 mm (0.7 in)
1971	16.5 mm (0.6 in)
1972	20.3 mm (0.8 in)
1973	45.0 mm (1.8 in)
1974	14.0 mm (0.6 in)
1975	12.2 mm (0.5 in)
1976	15.2 mm (0.6 in)
1977	11.0 mm (0.4 in)
1978	19.2 mm (0.8 in)
1979	14.0 mm (0.6 in)
1980	20.4 mm (0.8 in)
1981	31.6 mm (1.2 in)
1982	10.4 mm (0.4 in)
1983	10.7 mm (0.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Longstaff Bluff, 1957 to 1983. The record is 65.8 mm (2.6 in) in 1963, marked on the chart; the median year is 32.0 mm (1.3 in).

Wettest five days (Rx5day) at Longstaff Bluff by year
Year	Wettest five days (Rx5day)
1957	n/a
1958	29.0 mm (1.1 in)
1959	18.6 mm (0.7 in)
1960	36.0 mm (1.4 in)
1961	32.3 mm (1.3 in)
1962	43.5 mm (1.7 in)
1963	65.8 mm (2.6 in)
1964	32.7 mm (1.3 in)
1965	56.8 mm (2.2 in)
1966	16.2 mm (0.6 in)
1967	33.1 mm (1.3 in)
1968	27.7 mm (1.1 in)
1969	31.6 mm (1.2 in)
1970	26.4 mm (1.0 in)
1971	32.3 mm (1.3 in)
1972	30.8 mm (1.2 in)
1973	52.8 mm (2.1 in)
1974	29.2 mm (1.1 in)
1975	25.0 mm (1.0 in)
1976	42.5 mm (1.7 in)
1977	19.8 mm (0.8 in)
1978	40.8 mm (1.6 in)
1979	24.6 mm (1.0 in)
1980	37.3 mm (1.5 in)
1981	49.3 mm (1.9 in)
1982	25.5 mm (1.0 in)
1983	17.1 mm (0.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Longstaff Bluff, 1957 to 1983. The record is 100 days in 1969, marked on the chart; the median year is 54 days.

Longest dry spell (CDD) at Longstaff Bluff by year
Year	Longest dry spell (CDD)
1957	n/a
1958	51 days
1959	57 days
1960	46 days
1961	58 days
1962	59 days
1963	54 days
1964	75 days
1965	42 days
1966	54 days
1967	73 days
1968	47 days
1969	100 days
1970	34 days
1971	40 days
1972	87 days
1973	34 days
1974	78 days
1975	98 days
1976	54 days
1977	67 days
1978	59 days
1979	44 days
1980	42 days
1981	39 days
1982	86 days
1983	53 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 Longstaff Bluff falls on 28 June and the median first autumn frost on 4 July, which leaves a median of 10 days between them.

Frost dates and growing season at Longstaff Bluff
Measure	Median, all years	Earliest period	Recent period (1959 to 1982)	Recent against earliest	Fitted trend
Last spring frost	28 June	n/a	28 June	n/a	n/a
First autumn frost	4 July	n/a	4 July	n/a	n/a
Growing days	10 days	n/a	10 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 Longstaff Bluff standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Longstaff Bluff 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).