Grande Lo Weather Records (CA003062905)

Record envelope, standing records and threshold days for Grande Lo (CA003062905), Alberta, Canada, with 47 years of record.

Key Facts for Grande Lo

Grande Lo (CA003062905) is a weather station in Alberta, Canada at 56.30 latitude and -112.22 longitude, 533 m (1,749 ft) above sea level.
The station reports from 1965 to 2011, 47 years of record.
608 records set at Grande 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, 56.30 latitude, -112.22 longitude.
Elevation: 533 m (1,749 ft).
Period of record: 1965 to 2011, 47 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 Grande 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 Grande 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)	-8.0 C (17.6 F)	n/a	n/a
May	31.1 C (88.0 F)	-9.0 C (15.8 F)	n/a	n/a
Jun	33.3 C (91.9 F)	-3.3 C (26.1 F)	n/a	n/a
Jul	32.0 C (89.6 F)	0.6 C (33.1 F)	n/a	n/a
Aug	35.0 C (95.0 F)	-3.0 C (26.6 F)	n/a	n/a
Sep	26.7 C (80.1 F)	-3.3 C (26.1 F)	n/a	n/a
Oct	n/a	n/a	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

608 standing records

608 records at Grande Lo still stand. 1979 holds the most, with 50.

Wettest Day of Each Month

Aug: 83.8 mm (3.3 in)

The wettest day on record for each calendar month at Grande Lo. The most was 83.8 mm (3.3 in) on 26 August 1976.

Record daily precipitation for each month at Grande Lo
Month	Record daily precipitation (mm)	Date
Apr	3.8 mm (0.15 in)	30 April 1979
May	46.0 mm (1.8 in)	31 May 1973
Jun	68.8 mm (2.7 in)	15 June 1970
Jul	40.1 mm (1.6 in)	12 July 1974
Aug	83.8 mm (3.3 in)	26 August 1976
Sep	26.9 mm (1.1 in)	9 September 1979

Period of Record Coverage

1965 to 1983

19 years of record at Grande Lo, 1965 to 1983. 19 years have data for under 90 percent of days and are left out of rankings: 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972 and others.

Days with data per year at Grande Lo
Year	Days with data	Share of year	Complete
1965	46	13%	No
1966	112	31%	No
1967	120	33%	No
1968	119	33%	No
1969	127	35%	No
1970	120	33%	No
1971	129	35%	No
1972	82	22%	No
1973	135	37%	No
1974	119	33%	No
1975	104	28%	No
1976	131	36%	No
1977	115	32%	No
1978	135	37%	No
1979	123	34%	No
1980	126	34%	No
1981	113	31%	No
1982	127	35%	No
1983	123	34%	No

Latest Records

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

Extremes by Year

1965 to 1983

Yearly extremes at Grande Lo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.0 C (95.0 F)	1981	30.6 C (87.1 F)	19
Coldest night (TNn)	-9.0 C (15.8 F)	1982	-4.0 C (24.8 F)	19
Wettest day (Rx1day)	83.8 mm (3.3 in)	1976	33.3 mm (1.3 in)	19
Wettest five days (Rx5day)	137.0 mm (5.4 in)	1980	51.2 mm (2.0 in)	19
Longest dry spell (CDD)	23 days	1971	13 days	19

Hottest day (TXx)

The hottest day of the year at Grande Lo, 1965 to 1983. The record is 35.0 C (95.0 F) in 1981, marked on the chart; the median year is 30.6 C (87.1 F).

Hottest day (TXx) at Grande Lo by year
Year	Hottest day (TXx)
1965	27.2 C (81.0 F)
1966	28.9 C (84.0 F)
1967	31.1 C (88.0 F)
1968	30.6 C (87.1 F)
1969	31.7 C (89.1 F)
1970	33.3 C (91.9 F)
1971	32.2 C (90.0 F)
1972	28.9 C (84.0 F)
1973	31.7 C (89.1 F)
1974	29.4 C (84.9 F)
1975	31.1 C (88.0 F)
1976	30.0 C (86.0 F)
1977	29.0 C (84.2 F)
1978	30.0 C (86.0 F)
1979	32.0 C (89.6 F)
1980	30.0 C (86.0 F)
1981	35.0 C (95.0 F)
1982	30.0 C (86.0 F)
1983	31.0 C (87.8 F)

Coldest night (TNn)

The coldest night of the year at Grande Lo, 1965 to 1983. The record is -9.0 C (15.8 F) in 1982, marked on the chart; the median year is -4.0 C (24.8 F).

Coldest night (TNn) at Grande Lo by year
Year	Coldest night (TNn)
1965	-2.8 C (27.0 F)
1966	-1.7 C (28.9 F)
1967	-7.8 C (18.0 F)
1968	-8.3 C (17.1 F)
1969	-6.1 C (21.0 F)
1970	-3.3 C (26.1 F)
1971	-4.4 C (24.1 F)
1972	-5.0 C (23.0 F)
1973	-2.8 C (27.0 F)
1974	-8.9 C (16.0 F)
1975	-2.2 C (28.0 F)
1976	-2.8 C (27.0 F)
1977	-4.0 C (24.8 F)
1978	-1.0 C (30.2 F)
1979	-8.0 C (17.6 F)
1980	-3.0 C (26.6 F)
1981	-4.0 C (24.8 F)
1982	-9.0 C (15.8 F)
1983	-8.0 C (17.6 F)

Wettest day (Rx1day)

The wettest day of the year at Grande Lo, 1965 to 1983. The record is 83.8 mm (3.3 in) in 1976, marked on the chart; the median year is 33.3 mm (1.3 in).

Wettest day (Rx1day) at Grande Lo by year
Year	Wettest day (Rx1day)
1965	32.0 mm (1.3 in)
1966	39.4 mm (1.6 in)
1967	38.4 mm (1.5 in)
1968	34.0 mm (1.3 in)
1969	32.0 mm (1.3 in)
1970	68.8 mm (2.7 in)
1971	24.6 mm (1.0 in)
1972	19.1 mm (0.8 in)
1973	46.0 mm (1.8 in)
1974	40.1 mm (1.6 in)
1975	33.3 mm (1.3 in)
1976	83.8 mm (3.3 in)
1977	26.6 mm (1.0 in)
1978	48.2 mm (1.9 in)
1979	26.9 mm (1.1 in)
1980	79.4 mm (3.1 in)
1981	31.2 mm (1.2 in)
1982	20.8 mm (0.8 in)
1983	23.4 mm (0.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Grande Lo, 1965 to 1983. The record is 137.0 mm (5.4 in) in 1980, marked on the chart; the median year is 51.2 mm (2.0 in).

Wettest five days (Rx5day) at Grande Lo by year
Year	Wettest five days (Rx5day)
1965	56.1 mm (2.2 in)
1966	50.3 mm (2.0 in)
1967	58.4 mm (2.3 in)
1968	48.5 mm (1.9 in)
1969	37.8 mm (1.5 in)
1970	87.1 mm (3.4 in)
1971	49.8 mm (2.0 in)
1972	38.9 mm (1.5 in)
1973	70.3 mm (2.8 in)
1974	89.1 mm (3.5 in)
1975	66.3 mm (2.6 in)
1976	100.3 mm (3.9 in)
1977	32.0 mm (1.3 in)
1978	55.7 mm (2.2 in)
1979	44.3 mm (1.7 in)
1980	137.0 mm (5.4 in)
1981	51.2 mm (2.0 in)
1982	42.6 mm (1.7 in)
1983	46.4 mm (1.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Grande Lo, 1965 to 1983. The record is 23 days in 1971, marked on the chart; the median year is 13 days.

Longest dry spell (CDD) at Grande Lo by year
Year	Longest dry spell (CDD)
1965	7 days
1966	12 days
1967	19 days
1968	19 days
1969	13 days
1970	13 days
1971	23 days
1972	17 days
1973	10 days
1974	16 days
1975	6 days
1976	10 days
1977	7 days
1978	11 days
1979	11 days
1980	20 days
1981	22 days
1982	13 days
1983	11 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 Grande Lo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Grande 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).