Watt Mountain Lo Weather Records (CA003077250)

Record envelope, standing records and threshold days for Watt Mountain Lo (CA003077250), Alberta, Canada, with 55 years of record.

Key Facts for Watt Mountain Lo

Watt Mountain Lo (CA003077250) is a weather station in Alberta, Canada at 58.65 latitude and -117.57 longitude, 701 m (2,300 ft) above sea level.
The station reports from 1957 to 2011, 55 years of record.
808 records set at Watt 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, 58.65 latitude, -117.57 longitude.
Elevation: 701 m (2,300 ft).
Period of record: 1957 to 2011, 55 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 Watt 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 Watt 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	25.0 C (77.0 F)	-18.0 C (-0.4 F)	n/a	n/a
May	29.4 C (84.9 F)	-15.0 C (5.0 F)	n/a	n/a
Jun	29.4 C (84.9 F)	-4.4 C (24.1 F)	n/a	n/a
Jul	29.4 C (84.9 F)	-0.6 C (30.9 F)	n/a	n/a
Aug	32.0 C (89.6 F)	-6.0 C (21.2 F)	n/a	n/a
Sep	26.1 C (79.0 F)	-13.9 C (7.0 F)	n/a	n/a
Oct	19.0 C (66.2 F)	-18.0 C (-0.4 F)	n/a	n/a
Nov	n/a	n/a	n/a	n/a
Dec	n/a	n/a	n/a	n/a

Which Years Hold Standing Records

808 standing records

808 records at Watt Mountain Lo still stand. 1981 holds the most, with 66.

Standing records at Watt Mountain Lo by the year they were set
Year set	Standing records
1964	38
1965	35
1966	46
1967	46
1968	36
1969	34
1970	25
1971	24
1972	42
1973	26
1974	54
1975	43
1976	34
1977	38
1978	43
1979	41
1980	58
1981	66
1982	48
1983	31

Wettest Day of Each Month

Jul: 79.5 mm (3.1 in)

The wettest day on record for each calendar month at Watt Mountain Lo. The most was 79.5 mm (3.1 in) on 22 July 1963.

Record daily precipitation for each month at Watt Mountain Lo
Month	Record daily precipitation (mm)	Date
Apr	25.5 mm (1.0 in)	28 April 1978
May	30.2 mm (1.2 in)	23 May 1975
Jun	72.1 mm (2.8 in)	26 June 1962
Jul	79.5 mm (3.1 in)	22 July 1963
Aug	76.2 mm (3.0 in)	17 August 1973
Sep	57.2 mm (2.3 in)	1 September 1971
Oct	41.9 mm (1.6 in)	4 October 1975

Period of Record Coverage

1964 to 1983

20 years of record at Watt Mountain Lo, 1964 to 1983. 20 years have data for under 90 percent of days and are left out of rankings: 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971 and others.

Days with data per year at Watt Mountain Lo
Year	Days with data	Share of year	Complete
1964	153	42%	No
1965	153	42%	No
1966	157	43%	No
1967	172	47%	No
1968	167	46%	No
1969	176	48%	No
1970	155	42%	No
1971	162	44%	No
1972	154	42%	No
1973	169	46%	No
1974	182	50%	No
1975	164	45%	No
1976	174	48%	No
1977	180	49%	No
1978	201	55%	No
1979	186	51%	No
1980	195	53%	No
1981	140	38%	No
1982	177	48%	No
1983	152	42%	No

Latest Records

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

Extremes by Year

1957 to 1983

Yearly extremes at Watt Mountain Lo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	32.0 C (89.6 F)	1981	27.0 C (80.6 F)	20
Coldest night (TNn)	-18.0 C (-0.4 F)	1981	-10.3 C (13.5 F)	20
Wettest day (Rx1day)	79.5 mm (3.1 in)	1963	41.9 mm (1.6 in)	27
Wettest five days (Rx5day)	125.8 mm (5.0 in)	1957	67.5 mm (2.7 in)	27
Longest dry spell (CDD)	36 days	1974	17 days	27

Hottest day (TXx)

The hottest day of the year at Watt Mountain Lo, 1957 to 1983. The record is 32.0 C (89.6 F) in 1981, marked on the chart; the median year is 27.0 C (80.6 F).

Hottest day (TXx) at Watt Mountain Lo by year
Year	Hottest day (TXx)
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	28.3 C (82.9 F)
1965	26.7 C (80.1 F)
1966	26.7 C (80.1 F)
1967	29.4 C (84.9 F)
1968	26.7 C (80.1 F)
1969	26.7 C (80.1 F)
1970	28.9 C (84.0 F)
1971	28.9 C (84.0 F)
1972	29.4 C (84.9 F)
1973	26.1 C (79.0 F)
1974	25.6 C (78.1 F)
1975	29.4 C (84.9 F)
1976	24.0 C (75.2 F)
1977	25.0 C (77.0 F)
1978	26.0 C (78.8 F)
1979	27.0 C (80.6 F)
1980	27.0 C (80.6 F)
1981	32.0 C (89.6 F)
1982	28.0 C (82.4 F)
1983	29.0 C (84.2 F)

Coldest night (TNn)

The coldest night of the year at Watt Mountain Lo, 1957 to 1983. The record is -18.0 C (-0.4 F) in 1981, marked on the chart; the median year is -10.3 C (13.5 F).

Coldest night (TNn) at Watt Mountain Lo by year
Year	Coldest night (TNn)
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	-7.8 C (18.0 F)
1965	-10.6 C (12.9 F)
1966	-15.0 C (5.0 F)
1967	-10.6 C (12.9 F)
1968	-9.4 C (15.1 F)
1969	-11.7 C (10.9 F)
1970	-10.0 C (14.0 F)
1971	-7.2 C (19.0 F)
1972	-8.3 C (17.1 F)
1973	-4.4 C (24.1 F)
1974	-13.9 C (7.0 F)
1975	-5.6 C (21.9 F)
1976	-7.0 C (19.4 F)
1977	-6.0 C (21.2 F)
1978	-13.0 C (8.6 F)
1979	-15.0 C (5.0 F)
1980	-10.0 C (14.0 F)
1981	-18.0 C (-0.4 F)
1982	-18.0 C (-0.4 F)
1983	-11.0 C (12.2 F)

Wettest day (Rx1day)

The wettest day of the year at Watt Mountain Lo, 1957 to 1983. The record is 79.5 mm (3.1 in) in 1963, marked on the chart; the median year is 41.9 mm (1.6 in).

Wettest day (Rx1day) at Watt Mountain Lo by year
Year	Wettest day (Rx1day)
1957	71.9 mm (2.8 in)
1958	39.6 mm (1.6 in)
1959	50.5 mm (2.0 in)
1960	42.7 mm (1.7 in)
1961	26.7 mm (1.1 in)
1962	72.1 mm (2.8 in)
1963	79.5 mm (3.1 in)
1964	46.7 mm (1.8 in)
1965	18.8 mm (0.7 in)
1966	64.8 mm (2.6 in)
1967	60.7 mm (2.4 in)
1968	33.3 mm (1.3 in)
1969	28.7 mm (1.1 in)
1970	45.2 mm (1.8 in)
1971	57.2 mm (2.3 in)
1972	25.4 mm (1.0 in)
1973	76.2 mm (3.0 in)
1974	40.9 mm (1.6 in)
1975	41.9 mm (1.6 in)
1976	40.6 mm (1.6 in)
1977	34.1 mm (1.3 in)
1978	39.5 mm (1.6 in)
1979	23.5 mm (0.9 in)
1980	31.4 mm (1.2 in)
1981	33.1 mm (1.3 in)
1982	42.3 mm (1.7 in)
1983	44.3 mm (1.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Watt Mountain Lo, 1957 to 1983. The record is 125.8 mm (5.0 in) in 1957, marked on the chart; the median year is 67.5 mm (2.7 in).

Wettest five days (Rx5day) at Watt Mountain Lo by year
Year	Wettest five days (Rx5day)
1957	125.8 mm (5.0 in)
1958	46.8 mm (1.8 in)
1959	72.9 mm (2.9 in)
1960	67.5 mm (2.7 in)
1961	71.2 mm (2.8 in)
1962	95.0 mm (3.7 in)
1963	85.1 mm (3.4 in)
1964	56.9 mm (2.2 in)
1965	30.5 mm (1.2 in)
1966	82.1 mm (3.2 in)
1967	67.6 mm (2.7 in)
1968	66.3 mm (2.6 in)
1969	57.7 mm (2.3 in)
1970	49.3 mm (1.9 in)
1971	79.5 mm (3.1 in)
1972	35.6 mm (1.4 in)
1973	95.5 mm (3.8 in)
1974	58.9 mm (2.3 in)
1975	77.9 mm (3.1 in)
1976	72.8 mm (2.9 in)
1977	72.9 mm (2.9 in)
1978	61.7 mm (2.4 in)
1979	45.3 mm (1.8 in)
1980	45.2 mm (1.8 in)
1981	40.7 mm (1.6 in)
1982	50.9 mm (2.0 in)
1983	70.7 mm (2.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Watt Mountain Lo, 1957 to 1983. The record is 36 days in 1974, marked on the chart; the median year is 17 days.

Longest dry spell (CDD) at Watt Mountain Lo by year
Year	Longest dry spell (CDD)
1957	25 days
1958	15 days
1959	13 days
1960	21 days
1961	26 days
1962	22 days
1963	30 days
1964	26 days
1965	17 days
1966	17 days
1967	16 days
1968	18 days
1969	11 days
1970	12 days
1971	28 days
1972	16 days
1973	17 days
1974	36 days
1975	7 days
1976	21 days
1977	13 days
1978	15 days
1979	33 days
1980	32 days
1981	18 days
1982	16 days
1983	15 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 Watt Mountain Lo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Watt 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 2026-10-16 (16 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).