Stoney Mountain Lo Weather Records (CA003066160)

Record envelope, standing records and threshold days for Stoney Mountain Lo (CA003066160), Alberta, Canada, with 58 years of record.

Key Facts for Stoney Mountain Lo

Stoney Mountain Lo (CA003066160) is a weather station in Alberta, Canada at 56.38 latitude and -111.23 longitude, 762 m (2,500 ft) above sea level.
The station reports from 1954 to 2011, 58 years of record.
904 records set at Stoney Mountain Lo 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, 56.38 latitude, -111.23 longitude.
Elevation: 762 m (2,500 ft).
Period of record: 1954 to 2011, 58 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 Stoney Mountain Lo. 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 Stoney Mountain Lo, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	n/a	n/a	n/a	n/a
Feb	n/a	n/a	n/a	n/a
Mar	n/a	n/a	n/a	n/a
Apr	28.0 C (82.4 F)	-9.0 C (15.8 F)	n/a	n/a
May	30.0 C (86.0 F)	-10.6 C (12.9 F)	n/a	n/a
Jun	32.8 C (91.0 F)	-5.0 C (23.0 F)	n/a	n/a
Jul	31.1 C (88.0 F)	-1.1 C (30.0 F)	n/a	n/a
Aug	33.0 C (91.4 F)	-3.0 C (26.6 F)	n/a	n/a
Sep	29.0 C (84.2 F)	-11.7 C (10.9 F)	n/a	n/a
Oct	26.0 C (78.8 F)	-13.9 C (7.0 F)	n/a	n/a
Nov	6.1 C (43.0 F)	-26.7 C (-16.1 F)	n/a	n/a
Dec	n/a	n/a	n/a	n/a

Which Years Hold Standing Records

904 standing records

904 records at Stoney Mountain Lo still stand. 1957 holds the most, with 120.

Standing records at Stoney Mountain Lo by the year they were set
Year set	Standing records
1957	120
1964	39
1965	31
1966	49
1967	54
1968	42
1969	39
1970	27
1971	28
1972	50
1973	19
1974	54
1975	35
1976	35
1977	45
1978	25
1979	40
1980	46
1981	45
1982	36
1983	45

Wettest Day of Each Month

Aug: 115.3 mm (4.5 in)

The wettest day on record for each calendar month at Stoney Mountain Lo. The most was 115.3 mm (4.5 in) on 26 August 1976.

Record daily precipitation for each month at Stoney Mountain Lo
Month	Record daily precipitation (mm)	Date
Apr	25.4 mm (1.0 in)	26 April 1958
May	53.6 mm (2.1 in)	31 May 1973
Jun	79.0 mm (3.1 in)	30 June 1970
Jul	66.8 mm (2.6 in)	23 July 1960
Aug	115.3 mm (4.5 in)	26 August 1976
Sep	71.4 mm (2.8 in)	13 September 1958
Oct	26.7 mm (1.1 in)	2 October 1957
Nov	6.4 mm (0.25 in)	11 November 1957

Period of Record Coverage

1957 to 1983

21 years of record at Stoney Mountain Lo, 1957 to 1983. 21 years have data for under 90 percent of days and are left out of rankings: 1957, 1964, 1965, 1966, 1967, 1968, 1969, 1970 and others.

Days with data per year at Stoney Mountain Lo
Year	Days with data	Share of year	Complete
1957	30	8%	No
1964	179	49%	No
1965	170	47%	No
1966	182	50%	No
1967	179	49%	No
1968	173	47%	No
1969	176	48%	No
1970	159	44%	No
1971	173	47%	No
1972	163	45%	No
1973	153	42%	No
1974	171	47%	No
1975	170	47%	No
1976	176	48%	No
1977	175	48%	No
1978	175	48%	No
1979	180	49%	No
1980	171	47%	No
1981	141	39%	No
1982	163	45%	No
1983	142	39%	No

Latest Records

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

Extremes by Year

1954 to 1983

Yearly extremes at Stoney Mountain Lo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.0 C (91.4 F)	1981	29.0 C (84.2 F)	21
Coldest night (TNn)	-26.7 C (-16.1 F)	1957	-8.0 C (17.6 F)	21
Wettest day (Rx1day)	115.3 mm (4.5 in)	1976	45.2 mm (1.8 in)	30
Wettest five days (Rx5day)	149.9 mm (5.9 in)	1970	85.8 mm (3.4 in)	30
Longest dry spell (CDD)	27 days	1971	13 days	30

Hottest day (TXx)

The hottest day of the year at Stoney Mountain Lo, 1954 to 1983. The record is 33.0 C (91.4 F) in 1981, marked on the chart; the median year is 29.0 C (84.2 F).

Hottest day (TXx) at Stoney Mountain Lo by year
Year	Hottest day (TXx)
1954	n/a
1955	n/a
1956	n/a
1957	6.1 C (43.0 F)
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	31.1 C (88.0 F)
1965	29.4 C (84.9 F)
1966	27.8 C (82.0 F)
1967	28.9 C (84.0 F)
1968	30.0 C (86.0 F)
1969	29.4 C (84.9 F)
1970	32.8 C (91.0 F)
1971	28.9 C (84.0 F)
1972	27.8 C (82.0 F)
1973	28.3 C (82.9 F)
1974	27.2 C (81.0 F)
1975	30.0 C (86.0 F)
1976	29.0 C (84.2 F)
1977	26.0 C (78.8 F)
1978	29.0 C (84.2 F)
1979	30.0 C (86.0 F)
1980	28.0 C (82.4 F)
1981	33.0 C (91.4 F)
1982	28.0 C (82.4 F)
1983	31.0 C (87.8 F)

Coldest night (TNn)

The coldest night of the year at Stoney Mountain Lo, 1954 to 1983. The record is -26.7 C (-16.1 F) in 1957, marked on the chart; the median year is -8.0 C (17.6 F).

Coldest night (TNn) at Stoney Mountain Lo by year
Year	Coldest night (TNn)
1954	n/a
1955	n/a
1956	n/a
1957	-26.7 C (-16.1 F)
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	-6.7 C (19.9 F)
1965	-11.7 C (10.9 F)
1966	-13.9 C (7.0 F)
1967	-8.9 C (16.0 F)
1968	-10.6 C (12.9 F)
1969	-6.7 C (19.9 F)
1970	-4.4 C (24.1 F)
1971	-6.7 C (19.9 F)
1972	-8.3 C (17.1 F)
1973	-2.2 C (28.0 F)
1974	-13.3 C (8.1 F)
1975	-4.4 C (24.1 F)
1976	-9.0 C (15.8 F)
1977	-8.0 C (17.6 F)
1978	-6.0 C (21.2 F)
1979	-7.0 C (19.4 F)
1980	-4.0 C (24.8 F)
1981	-6.0 C (21.2 F)
1982	-10.0 C (14.0 F)
1983	-9.0 C (15.8 F)

Wettest day (Rx1day)

The wettest day of the year at Stoney Mountain Lo, 1954 to 1983. The record is 115.3 mm (4.5 in) in 1976, marked on the chart; the median year is 45.2 mm (1.8 in).

Wettest day (Rx1day) at Stoney Mountain Lo by year
Year	Wettest day (Rx1day)
1954	55.9 mm (2.2 in)
1955	45.5 mm (1.8 in)
1956	53.1 mm (2.1 in)
1957	26.7 mm (1.1 in)
1958	71.4 mm (2.8 in)
1959	44.7 mm (1.8 in)
1960	66.8 mm (2.6 in)
1961	34.8 mm (1.4 in)
1962	55.4 mm (2.2 in)
1963	32.0 mm (1.3 in)
1964	25.9 mm (1.0 in)
1965	48.8 mm (1.9 in)
1966	73.9 mm (2.9 in)
1967	42.9 mm (1.7 in)
1968	41.4 mm (1.6 in)
1969	70.9 mm (2.8 in)
1970	79.0 mm (3.1 in)
1971	54.4 mm (2.1 in)
1972	47.0 mm (1.9 in)
1973	53.6 mm (2.1 in)
1974	41.1 mm (1.6 in)
1975	35.3 mm (1.4 in)
1976	115.3 mm (4.5 in)
1977	35.2 mm (1.4 in)
1978	34.1 mm (1.3 in)
1979	44.8 mm (1.8 in)
1980	95.6 mm (3.8 in)
1981	42.4 mm (1.7 in)
1982	39.2 mm (1.5 in)
1983	44.0 mm (1.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Stoney Mountain Lo, 1954 to 1983. The record is 149.9 mm (5.9 in) in 1970, marked on the chart; the median year is 85.8 mm (3.4 in).

Wettest five days (Rx5day) at Stoney Mountain Lo by year
Year	Wettest five days (Rx5day)
1954	99.1 mm (3.9 in)
1955	102.1 mm (4.0 in)
1956	81.8 mm (3.2 in)
1957	59.4 mm (2.3 in)
1958	108.4 mm (4.3 in)
1959	102.4 mm (4.0 in)
1960	146.3 mm (5.8 in)
1961	59.7 mm (2.4 in)
1962	95.5 mm (3.8 in)
1963	47.2 mm (1.9 in)
1964	47.0 mm (1.9 in)
1965	51.1 mm (2.0 in)
1966	85.9 mm (3.4 in)
1967	86.9 mm (3.4 in)
1968	65.1 mm (2.6 in)
1969	86.9 mm (3.4 in)
1970	149.9 mm (5.9 in)
1971	95.8 mm (3.8 in)
1972	53.6 mm (2.1 in)
1973	104.9 mm (4.1 in)
1974	85.4 mm (3.4 in)
1975	94.0 mm (3.7 in)
1976	133.8 mm (5.3 in)
1977	50.6 mm (2.0 in)
1978	56.4 mm (2.2 in)
1979	77.0 mm (3.0 in)
1980	141.7 mm (5.6 in)
1981	56.2 mm (2.2 in)
1982	50.5 mm (2.0 in)
1983	85.6 mm (3.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Stoney Mountain Lo, 1954 to 1983. The record is 27 days in 1971, marked on the chart; the median year is 13 days.

Longest dry spell (CDD) at Stoney Mountain Lo by year
Year	Longest dry spell (CDD)
1954	17 days
1955	11 days
1956	12 days
1957	10 days
1958	12 days
1959	13 days
1960	15 days
1961	13 days
1962	16 days
1963	11 days
1964	12 days
1965	10 days
1966	15 days
1967	19 days
1968	11 days
1969	16 days
1970	12 days
1971	27 days
1972	23 days
1973	10 days
1974	15 days
1975	8 days
1976	15 days
1977	11 days
1978	10 days
1979	13 days
1980	26 days
1981	18 days
1982	19 days
1983	10 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 Stoney Mountain Lo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Stoney Mountain Lo 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 2025-12-31. Last revised 31 December 2025 (2025-12-31).