Whitehorse Riverdale Weather Records (CA002101400)

Record envelope, standing records and threshold days for Whitehorse Riverdale (CA002101400), Yukon, Canada, with 54 years of record.

Key Facts for Whitehorse Riverdale

Whitehorse Riverdale (CA002101400) is a weather station in Yukon, Canada at 60.72 latitude and -135.03 longitude, 640 m (2,100 ft) above sea level.
The station reports from 1959 to 2012, 54 years of record.
1,464 records set at Whitehorse Riverdale still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Yukon, Canada, 60.72 latitude, -135.03 longitude.
Elevation: 640 m (2,100 ft).
Period of record: 1959 to 2012, 54 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 Whitehorse Riverdale. 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 Whitehorse Riverdale, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	8.3 C (46.9 F)	-48.3 C (-54.9 F)	n/a	n/a
Feb	12.8 C (55.0 F)	-51.2 C (-60.2 F)	n/a	n/a
Mar	12.5 C (54.5 F)	-42.8 C (-45.0 F)	n/a	n/a
Apr	22.8 C (73.0 F)	-31.7 C (-25.1 F)	n/a	n/a
May	34.5 C (94.1 F)	-13.3 C (8.1 F)	n/a	n/a
Jun	35.6 C (96.1 F)	-4.4 C (24.1 F)	n/a	n/a
Jul	33.3 C (91.9 F)	-1.7 C (28.9 F)	n/a	n/a
Aug	31.7 C (89.1 F)	-5.6 C (21.9 F)	n/a	n/a
Sep	26.7 C (80.1 F)	-17.5 C (0.5 F)	n/a	n/a
Oct	19.4 C (66.9 F)	-29.5 C (-21.1 F)	n/a	n/a
Nov	12.2 C (54.0 F)	-41.7 C (-43.1 F)	n/a	n/a
Dec	6.7 C (44.1 F)	-47.8 C (-54.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Whitehorse Riverdale still stand. 1963 holds the most, with 94.

Standing records at Whitehorse Riverdale by the year they were set
Year set	Standing records
1959	58
1960	58
1961	68
1962	55
1963	94
1964	79
1965	81
1966	52
1967	54
1968	58
1969	64
1970	54
1971	56
1972	60
1973	34
1974	55
1975	66
1976	59
1977	71
1978	30
1979	61
1980	36
1981	63
1982	60
1983	38

Wettest Day of Each Month

Jun: 43.2 mm (1.7 in)

The wettest day on record for each calendar month at Whitehorse Riverdale. The most was 43.2 mm (1.7 in) on 16 June 1973.

Record daily precipitation for each month at Whitehorse Riverdale
Month	Record daily precipitation (mm)	Date
Jan	7.0 mm (0.28 in)	6 January 1983
Feb	11.0 mm (0.4 in)	9 February 1982
Mar	16.4 mm (0.6 in)	25 March 1982
Apr	18.5 mm (0.7 in)	14 April 1976
May	10.9 mm (0.4 in)	23 May 1977
Jun	43.2 mm (1.7 in)	16 June 1973
Jul	22.6 mm (0.9 in)	16 July 1977
Aug	23.9 mm (0.9 in)	23 August 1974
Sep	25.4 mm (1.0 in)	22 September 1977
Oct	15.5 mm (0.6 in)	8 October 1976
Nov	19.5 mm (0.8 in)	22 November 1978
Dec	18.4 mm (0.7 in)	24 December 1980

Period of Record Coverage

1959 to 1983

25 years of record at Whitehorse Riverdale, 1959 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1959.

Days with data per year at Whitehorse Riverdale
Year	Days with data	Share of year	Complete
1959	274	75%	No
1960	350	96%	Yes
1961	347	95%	Yes
1962	356	98%	Yes
1963	356	98%	Yes
1964	363	99%	Yes
1965	362	99%	Yes
1966	358	98%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	364	100%	Yes
1970	362	99%	Yes
1971	363	99%	Yes
1972	336	92%	Yes
1973	362	99%	Yes
1974	364	100%	Yes
1975	364	100%	Yes
1976	364	99%	Yes
1977	361	99%	Yes
1978	364	100%	Yes
1979	362	99%	Yes
1980	365	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

22 complete years, 1960 to 1983

One stripe for each of 22 complete years at Whitehorse Riverdale, 1960 to 1983. Blue stripes are years cooler than the station's own mean of -0.8 C (30.5 F); red stripes are warmer. The coolest year was 1966, at -2.8 C (26.9 F), and the warmest was 1981, at 1.7 C (35.1 F). The strongest colour marks a difference of 2.6 C (4.7 F).

Annual mean temperature at Whitehorse Riverdale as warming stripes, 1960 to 1983
Year	Annual mean temperature	Difference from the station mean
1960	-0.1 C	+0.75 C
1962	-0.9 C	-0.04 C
1963	-0.4 C	+0.45 C
1964	-1.8 C	-1.03 C
1965	-1.4 C	-0.63 C
1966	-2.8 C	-2.00 C
1967	-1.0 C	-0.16 C
1968	-0.9 C	-0.07 C
1969	-0.9 C	-0.12 C
1970	-0.4 C	+0.39 C
1971	-1.9 C	-1.10 C
1973	-2.2 C	-1.42 C
1974	-0.9 C	-0.12 C
1975	-2.2 C	-1.35 C
1976	0.9 C	+1.72 C
1977	0.8 C	+1.65 C
1978	0.7 C	+1.53 C
1979	-0.9 C	-0.09 C
1980	0.0 C	+0.80 C
1981	1.7 C	+2.55 C
1982	-2.2 C	-1.43 C
1983	-1.1 C	-0.28 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

1959 to 1983

Yearly extremes at Whitehorse Riverdale: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	1969	30.6 C (87.1 F)	25
Coldest night (TNn)	-51.2 C (-60.2 F)	1968	-45.6 C (-50.1 F)	25
Wettest day (Rx1day)	43.2 mm (1.7 in)	1973	18.4 mm (0.7 in)	13
Wettest five days (Rx5day)	43.2 mm (1.7 in)	1973	33.4 mm (1.3 in)	12
Longest dry spell (CDD)	58 days	1981	31 days	13

Hottest day (TXx)

The hottest day of the year at Whitehorse Riverdale, 1959 to 1983. The record is 35.6 C (96.1 F) in 1969, marked on the chart; the median year is 30.6 C (87.1 F).

Hottest day (TXx) at Whitehorse Riverdale by year
Year	Hottest day (TXx)
1959	27.8 C (82.0 F)
1960	31.1 C (88.0 F)
1961	31.7 C (89.1 F)
1962	31.1 C (88.0 F)
1963	28.9 C (84.0 F)
1964	28.3 C (82.9 F)
1965	30.6 C (87.1 F)
1966	31.1 C (88.0 F)
1967	28.9 C (84.0 F)
1968	26.1 C (79.0 F)
1969	35.6 C (96.1 F)
1970	27.2 C (81.0 F)
1971	31.1 C (88.0 F)
1972	30.6 C (87.1 F)
1973	26.7 C (80.1 F)
1974	28.9 C (84.0 F)
1975	30.6 C (87.1 F)
1976	33.3 C (91.9 F)
1977	31.7 C (89.1 F)
1978	32.0 C (89.6 F)
1979	28.5 C (83.3 F)
1980	31.5 C (88.7 F)
1981	28.5 C (83.3 F)
1982	31.0 C (87.8 F)
1983	34.5 C (94.1 F)

Coldest night (TNn)

The coldest night of the year at Whitehorse Riverdale, 1959 to 1983. The record is -51.2 C (-60.2 F) in 1968, marked on the chart; the median year is -45.6 C (-50.1 F).

Coldest night (TNn) at Whitehorse Riverdale by year
Year	Coldest night (TNn)
1959	-40.0 C (-40.0 F)
1960	-39.4 C (-38.9 F)
1961	-46.7 C (-52.1 F)
1962	-47.8 C (-54.0 F)
1963	-45.6 C (-50.1 F)
1964	-45.0 C (-49.0 F)
1965	-47.8 C (-54.0 F)
1966	-48.3 C (-54.9 F)
1967	-41.7 C (-43.1 F)
1968	-51.2 C (-60.2 F)
1969	-46.1 C (-51.0 F)
1970	-43.9 C (-47.0 F)
1971	-47.8 C (-54.0 F)
1972	-47.8 C (-54.0 F)
1973	-40.0 C (-40.0 F)
1974	-47.8 C (-54.0 F)
1975	-47.8 C (-54.0 F)
1976	-44.4 C (-47.9 F)
1977	-47.2 C (-53.0 F)
1978	-43.3 C (-45.9 F)
1979	-46.5 C (-51.7 F)
1980	-44.0 C (-47.2 F)
1981	-43.5 C (-46.3 F)
1982	-44.5 C (-48.1 F)
1983	-44.5 C (-48.1 F)

Wettest day (Rx1day)

The wettest day of the year at Whitehorse Riverdale, 1959 to 1983. The record is 43.2 mm (1.7 in) in 1973, marked on the chart; the median year is 18.4 mm (0.7 in).

Wettest day (Rx1day) at Whitehorse Riverdale by year
Year	Wettest day (Rx1day)
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	0.0 mm (0.00 in)
1970	n/a
1971	n/a
1972	0.0 mm (0.00 in)
1973	43.2 mm (1.7 in)
1974	23.9 mm (0.9 in)
1975	13.7 mm (0.5 in)
1976	18.5 mm (0.7 in)
1977	25.4 mm (1.0 in)
1978	19.5 mm (0.8 in)
1979	17.1 mm (0.7 in)
1980	18.4 mm (0.7 in)
1981	11.4 mm (0.4 in)
1982	16.4 mm (0.6 in)
1983	23.6 mm (0.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Whitehorse Riverdale, 1959 to 1983. The record is 43.2 mm (1.7 in) in 1973, marked on the chart; the median year is 33.4 mm (1.3 in).

Wettest five days (Rx5day) at Whitehorse Riverdale by year
Year	Wettest five days (Rx5day)
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	0.0 mm (0.00 in)
1973	43.2 mm (1.7 in)
1974	39.2 mm (1.5 in)
1975	33.8 mm (1.3 in)
1976	24.8 mm (1.0 in)
1977	39.4 mm (1.6 in)
1978	35.1 mm (1.4 in)
1979	33.0 mm (1.3 in)
1980	30.4 mm (1.2 in)
1981	17.8 mm (0.7 in)
1982	31.4 mm (1.2 in)
1983	42.4 mm (1.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Whitehorse Riverdale, 1959 to 1983. The record is 58 days in 1981, marked on the chart; the median year is 31 days.

Longest dry spell (CDD) at Whitehorse Riverdale by year
Year	Longest dry spell (CDD)
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	1 day
1970	n/a
1971	n/a
1972	31 days
1973	31 days
1974	30 days
1975	38 days
1976	34 days
1977	22 days
1978	51 days
1979	35 days
1980	30 days
1981	58 days
1982	22 days
1983	37 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

22 years with a frost

Across 22 years with a frost, the median last spring frost at Whitehorse Riverdale falls on 18 June and the median first autumn frost on 5 August, which leaves a median of 51 days between them.

Frost dates and growing season at Whitehorse Riverdale
Measure	Median, all years	Earliest period	Recent period (1960 to 1983)	Recent against earliest	Fitted trend
Last spring frost	18 June	n/a	18 June	n/a	n/a
First autumn frost	5 August	n/a	5 August	n/a	n/a
Growing days	51 days	n/a	51 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 Whitehorse Riverdale standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Whitehorse Riverdale 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).