Edmonton Stony Plain Weather Records (CA00301222F)

Record envelope, standing records and threshold days for Edmonton Stony Plain (CA00301222F), Alberta, Canada, with 59 years of record.

Key Facts for Edmonton Stony Plain

Edmonton Stony Plain (CA00301222F) is a weather station in Alberta, Canada at 53.55 latitude and -114.12 longitude, 766 m (2,513 ft) above sea level.
The station reports from 1966 to 2024, 59 years of record.
1,464 records set at Edmonton Stony Plain still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Alberta, Canada, 53.55 latitude, -114.12 longitude.
Elevation: 766 m (2,513 ft).
Period of record: 1966 to 2024, 59 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 Edmonton Stony Plain. 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 Edmonton Stony Plain, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	12.2 C (54.0 F)	-40.0 C (-40.0 F)	n/a	n/a
Feb	12.2 C (54.0 F)	-35.5 C (-31.9 F)	n/a	n/a
Mar	17.8 C (64.0 F)	-32.2 C (-26.0 F)	n/a	n/a
Apr	28.9 C (84.0 F)	-24.0 C (-11.2 F)	n/a	n/a
May	30.6 C (87.1 F)	-5.0 C (23.0 F)	n/a	n/a
Jun	33.3 C (91.9 F)	0.0 C (32.0 F)	n/a	n/a
Jul	30.5 C (86.9 F)	2.5 C (36.5 F)	n/a	n/a
Aug	31.5 C (88.7 F)	-0.6 C (30.9 F)	n/a	n/a
Sep	33.9 C (93.0 F)	-6.7 C (19.9 F)	n/a	n/a
Oct	26.0 C (78.8 F)	-13.3 C (8.1 F)	n/a	n/a
Nov	19.4 C (66.9 F)	-32.2 C (-26.0 F)	n/a	n/a
Dec	11.7 C (53.1 F)	-40.0 C (-40.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Edmonton Stony Plain still stand. 1977 holds the most, with 104.

Standing records at Edmonton Stony Plain by the year they were set
Year set	Standing records
1966	87
1967	94
1968	91
1969	88
1970	78
1971	78
1972	102
1973	54
1974	56
1975	76
1976	82
1977	104
1978	64
1979	95
1980	85
1981	94
1982	79
1983	57

Wettest Day of Each Month

Jul: 78.0 mm (3.1 in)

The wettest day on record for each calendar month at Edmonton Stony Plain. The most was 78.0 mm (3.1 in) on 11 July 1974.

Record daily precipitation for each month at Edmonton Stony Plain
Month	Record daily precipitation (mm)	Date
Jan	18.0 mm (0.7 in)	28 January 1971
Feb	12.0 mm (0.5 in)	5 February 1979
Mar	20.3 mm (0.8 in)	13 March 1974
Apr	20.8 mm (0.8 in)	28 April 1978
May	31.5 mm (1.2 in)	28 May 1977
Jun	65.5 mm (2.6 in)	24 June 1973
Jul	78.0 mm (3.1 in)	11 July 1974
Aug	35.8 mm (1.4 in)	28 August 1975
Sep	37.3 mm (1.5 in)	4 September 1969
Oct	21.6 mm (0.9 in)	25 October 1970
Nov	19.4 mm (0.8 in)	28 November 1978
Dec	30.0 mm (1.2 in)	9 December 1979

Period of Record Coverage

1966 to 1983

18 years of record at Edmonton Stony Plain, 1966 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1966.

Days with data per year at Edmonton Stony Plain
Year	Days with data	Share of year	Complete
1966	320	88%	No
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	365	100%	Yes
1981	365	100%	Yes
1982	364	100%	Yes
1983	365	100%	Yes

Latest Records

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

Climate Trend

17 complete years, 1967 to 1983

One stripe for each of 17 complete years at Edmonton Stony Plain, 1967 to 1983. Blue stripes are years cooler than the station's own mean of 2.7 C (36.9 F); red stripes are warmer. The coolest year was 1982, at 1.3 C (34.3 F), and the warmest was 1981, at 5.4 C (41.8 F). The strongest colour marks a difference of 2.7 C (4.9 F).

Annual mean temperature at Edmonton Stony Plain as warming stripes, 1967 to 1983
Year	Annual mean temperature	Difference from the station mean
1967	2.7 C	-0.05 C
1968	2.7 C	-0.05 C
1969	2.0 C	-0.75 C
1970	1.9 C	-0.84 C
1971	2.1 C	-0.62 C
1972	1.3 C	-1.43 C
1973	2.4 C	-0.36 C
1974	2.8 C	+0.02 C
1975	2.3 C	-0.45 C
1976	4.6 C	+1.90 C
1977	3.8 C	+1.05 C
1978	2.7 C	-0.01 C
1979	2.4 C	-0.32 C
1980	3.2 C	+0.44 C
1981	5.4 C	+2.69 C
1982	1.3 C	-1.47 C
1983	3.0 C	+0.29 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

1966 to 1983

Yearly extremes at Edmonton Stony Plain: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.9 C (93.0 F)	1967	30.3 C (86.5 F)	18
Coldest night (TNn)	-40.0 C (-40.0 F)	1972	-35.5 C (-32.0 F)	18
Wettest day (Rx1day)	78.0 mm (3.1 in)	1974	36.2 mm (1.4 in)	18
Wettest five days (Rx5day)	146.1 mm (5.8 in)	1982	68.6 mm (2.7 in)	18
Longest dry spell (CDD)	44 days	1980	31 days	18

Hottest day (TXx)

The hottest day of the year at Edmonton Stony Plain, 1966 to 1983. The record is 33.9 C (93.0 F) in 1967, marked on the chart; the median year is 30.3 C (86.5 F).

Hottest day (TXx) at Edmonton Stony Plain by year
Year	Hottest day (TXx)
1966	30.6 C (87.1 F)
1967	33.9 C (93.0 F)
1968	30.0 C (86.0 F)
1969	30.0 C (86.0 F)
1970	33.3 C (91.9 F)
1971	30.6 C (87.1 F)
1972	30.0 C (86.0 F)
1973	30.0 C (86.0 F)
1974	28.9 C (84.0 F)
1975	30.0 C (86.0 F)
1976	28.3 C (82.9 F)
1977	30.5 C (86.9 F)
1978	30.0 C (86.0 F)
1979	30.5 C (86.9 F)
1980	28.0 C (82.4 F)
1981	33.5 C (92.3 F)
1982	31.0 C (87.8 F)
1983	31.5 C (88.7 F)

Coldest night (TNn)

The coldest night of the year at Edmonton Stony Plain, 1966 to 1983. The record is -40.0 C (-40.0 F) in 1972, marked on the chart; the median year is -35.5 C (-32.0 F).

Coldest night (TNn) at Edmonton Stony Plain by year
Year	Coldest night (TNn)
1966	-29.4 C (-20.9 F)
1967	-31.7 C (-25.1 F)
1968	-35.6 C (-32.1 F)
1969	-38.9 C (-38.0 F)
1970	-38.3 C (-36.9 F)
1971	-35.6 C (-32.1 F)
1972	-40.0 C (-40.0 F)
1973	-31.1 C (-24.0 F)
1974	-35.6 C (-32.1 F)
1975	-33.3 C (-27.9 F)
1976	-37.2 C (-35.0 F)
1977	-40.0 C (-40.0 F)
1978	-33.0 C (-27.4 F)
1979	-35.5 C (-31.9 F)
1980	-34.5 C (-30.1 F)
1981	-31.0 C (-23.8 F)
1982	-37.5 C (-35.5 F)
1983	-35.0 C (-31.0 F)

Wettest day (Rx1day)

The wettest day of the year at Edmonton Stony Plain, 1966 to 1983. The record is 78.0 mm (3.1 in) in 1974, marked on the chart; the median year is 36.2 mm (1.4 in).

Wettest day (Rx1day) at Edmonton Stony Plain by year
Year	Wettest day (Rx1day)
1966	23.1 mm (0.9 in)
1967	19.8 mm (0.8 in)
1968	22.4 mm (0.9 in)
1969	37.3 mm (1.5 in)
1970	50.8 mm (2.0 in)
1971	39.1 mm (1.5 in)
1972	39.4 mm (1.6 in)
1973	65.5 mm (2.6 in)
1974	78.0 mm (3.1 in)
1975	62.2 mm (2.4 in)
1976	30.7 mm (1.2 in)
1977	31.5 mm (1.2 in)
1978	47.2 mm (1.9 in)
1979	30.0 mm (1.2 in)
1980	33.7 mm (1.3 in)
1981	26.5 mm (1.0 in)
1982	77.6 mm (3.1 in)
1983	35.0 mm (1.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Edmonton Stony Plain, 1966 to 1983. The record is 146.1 mm (5.8 in) in 1982, marked on the chart; the median year is 68.6 mm (2.7 in).

Wettest five days (Rx5day) at Edmonton Stony Plain by year
Year	Wettest five days (Rx5day)
1966	37.0 mm (1.5 in)
1967	32.0 mm (1.3 in)
1968	35.1 mm (1.4 in)
1969	89.5 mm (3.5 in)
1970	67.6 mm (2.7 in)
1971	80.3 mm (3.2 in)
1972	69.5 mm (2.7 in)
1973	88.1 mm (3.5 in)
1974	94.2 mm (3.7 in)
1975	88.1 mm (3.5 in)
1976	53.3 mm (2.1 in)
1977	54.1 mm (2.1 in)
1978	96.6 mm (3.8 in)
1979	38.0 mm (1.5 in)
1980	71.2 mm (2.8 in)
1981	51.0 mm (2.0 in)
1982	146.1 mm (5.8 in)
1983	62.0 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Edmonton Stony Plain, 1966 to 1983. The record is 44 days in 1980, marked on the chart; the median year is 31 days.

Longest dry spell (CDD) at Edmonton Stony Plain by year
Year	Longest dry spell (CDD)
1966	30 days
1967	39 days
1968	24 days
1969	32 days
1970	27 days
1971	32 days
1972	21 days
1973	39 days
1974	42 days
1975	26 days
1976	34 days
1977	34 days
1978	20 days
1979	36 days
1980	44 days
1981	30 days
1982	30 days
1983	13 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 Edmonton Stony Plain standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Edmonton Stony Plain 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).