Simonette Lo Weather Records (CA003075940)

Record envelope, standing records and threshold days for Simonette Lo (CA003075940), Alberta, Canada, with 56 years of record.

Key Facts for Simonette Lo

Simonette Lo (CA003075940) is a weather station in Alberta, Canada at 54.23 latitude and -118.42 longitude, 1,274 m (4,180 ft) above sea level.
The station reports from 1956 to 2011, 56 years of record.
818 records set at Simonette 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, 54.23 latitude, -118.42 longitude.
Elevation: 1,274 m (4,180 ft).
Period of record: 1956 to 2011, 56 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 Simonette 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 Simonette 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	21.0 C (69.8 F)	-17.0 C (1.4 F)	n/a	n/a
May	28.0 C (82.4 F)	-7.2 C (19.0 F)	n/a	n/a
Jun	29.4 C (84.9 F)	-2.8 C (27.0 F)	n/a	n/a
Jul	30.0 C (86.0 F)	1.1 C (34.0 F)	n/a	n/a
Aug	30.6 C (87.1 F)	-3.3 C (26.1 F)	n/a	n/a
Sep	30.0 C (86.0 F)	-10.0 C (14.0 F)	n/a	n/a
Oct	21.7 C (71.1 F)	-16.1 C (3.0 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

818 standing records

818 records at Simonette Lo still stand. 1981 holds the most, with 90.

Standing records at Simonette Lo by the year they were set
Year set	Standing records
1956	76
1966	48
1967	58
1968	47
1969	52
1970	27
1971	35
1972	25
1973	27
1974	31
1975	43
1976	27
1977	39
1978	32
1979	52
1980	56
1981	90
1982	35
1983	18

Wettest Day of Each Month

Jul: 127.8 mm (5.0 in)

The wettest day on record for each calendar month at Simonette Lo. The most was 127.8 mm (5.0 in) on 14 July 1982.

Record daily precipitation for each month at Simonette Lo
Month	Record daily precipitation (mm)	Date
Apr	22.0 mm (0.9 in)	28 April 1978
May	57.0 mm (2.2 in)	4 May 1977
Jun	88.9 mm (3.5 in)	11 June 1972
Jul	127.8 mm (5.0 in)	14 July 1982
Aug	79.6 mm (3.1 in)	1 August 1982
Sep	47.0 mm (1.9 in)	17 September 1978
Oct	37.0 mm (1.5 in)	10 October 1979

Period of Record Coverage

1956 to 1983

19 years of record at Simonette Lo, 1956 to 1983. 19 years have data for under 90 percent of days and are left out of rankings: 1956, 1966, 1967, 1968, 1969, 1970, 1971, 1972 and others.

Days with data per year at Simonette Lo
Year	Days with data	Share of year	Complete
1956	152	42%	No
1966	156	43%	No
1967	164	45%	No
1968	153	42%	No
1969	160	44%	No
1970	151	41%	No
1971	144	39%	No
1972	131	36%	No
1973	137	38%	No
1974	143	39%	No
1975	151	41%	No
1976	153	42%	No
1977	160	44%	No
1978	156	43%	No
1979	174	48%	No
1980	166	45%	No
1981	175	48%	No
1982	150	41%	No
1983	147	40%	No

Latest Records

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

Extremes by Year

1956 to 1983

Yearly extremes at Simonette Lo: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	30.6 C (87.1 F)	1971	28.0 C (82.4 F)	19
Coldest night (TNn)	-17.0 C (1.4 F)	1981	-7.0 C (19.4 F)	19
Wettest day (Rx1day)	127.8 mm (5.0 in)	1982	42.7 mm (1.7 in)	28
Wettest five days (Rx5day)	152.2 mm (6.0 in)	1982	82.9 mm (3.3 in)	28
Longest dry spell (CDD)	20 days	1964	13 days	28

Hottest day (TXx)

The hottest day of the year at Simonette Lo, 1956 to 1983. The record is 30.6 C (87.1 F) in 1971, marked on the chart; the median year is 28.0 C (82.4 F).

Hottest day (TXx) at Simonette Lo by year
Year	Hottest day (TXx)
1956	30.0 C (86.0 F)
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	26.1 C (79.0 F)
1967	28.9 C (84.0 F)
1968	28.9 C (84.0 F)
1969	28.9 C (84.0 F)
1970	29.4 C (84.9 F)
1971	30.6 C (87.1 F)
1972	27.8 C (82.0 F)
1973	26.7 C (80.1 F)
1974	28.9 C (84.0 F)
1975	28.9 C (84.0 F)
1976	24.0 C (75.2 F)
1977	25.0 C (77.0 F)
1978	28.0 C (82.4 F)
1979	28.0 C (82.4 F)
1980	26.0 C (78.8 F)
1981	30.0 C (86.0 F)
1982	27.0 C (80.6 F)
1983	28.0 C (82.4 F)

Coldest night (TNn)

The coldest night of the year at Simonette Lo, 1956 to 1983. The record is -17.0 C (1.4 F) in 1981, marked on the chart; the median year is -7.0 C (19.4 F).

Coldest night (TNn) at Simonette Lo by year
Year	Coldest night (TNn)
1956	-16.1 C (3.0 F)
1957	n/a
1958	n/a
1959	n/a
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	-7.2 C (19.0 F)
1967	-7.2 C (19.0 F)
1968	-8.3 C (17.1 F)
1969	-6.7 C (19.9 F)
1970	-7.2 C (19.0 F)
1971	-5.6 C (21.9 F)
1972	-8.9 C (16.0 F)
1973	-3.3 C (26.1 F)
1974	-10.0 C (14.0 F)
1975	-7.2 C (19.0 F)
1976	-7.0 C (19.4 F)
1977	-6.0 C (21.2 F)
1978	-5.0 C (23.0 F)
1979	-7.0 C (19.4 F)
1980	-2.0 C (28.4 F)
1981	-17.0 C (1.4 F)
1982	-4.0 C (24.8 F)
1983	-4.0 C (24.8 F)

Wettest day (Rx1day)

The wettest day of the year at Simonette Lo, 1956 to 1983. The record is 127.8 mm (5.0 in) in 1982, marked on the chart; the median year is 42.7 mm (1.7 in).

Wettest day (Rx1day) at Simonette Lo by year
Year	Wettest day (Rx1day)
1956	39.6 mm (1.6 in)
1957	52.1 mm (2.1 in)
1958	37.8 mm (1.5 in)
1959	33.3 mm (1.3 in)
1960	63.5 mm (2.5 in)
1961	27.2 mm (1.1 in)
1962	45.7 mm (1.8 in)
1963	33.0 mm (1.3 in)
1964	39.1 mm (1.5 in)
1965	61.5 mm (2.4 in)
1966	56.1 mm (2.2 in)
1967	28.7 mm (1.1 in)
1968	55.1 mm (2.2 in)
1969	21.1 mm (0.8 in)
1970	34.8 mm (1.4 in)
1971	39.1 mm (1.5 in)
1972	88.9 mm (3.5 in)
1973	26.7 mm (1.1 in)
1974	27.2 mm (1.1 in)
1975	72.1 mm (2.8 in)
1976	57.2 mm (2.3 in)
1977	57.0 mm (2.2 in)
1978	48.7 mm (1.9 in)
1979	37.0 mm (1.5 in)
1980	57.0 mm (2.2 in)
1981	36.5 mm (1.4 in)
1982	127.8 mm (5.0 in)
1983	73.6 mm (2.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Simonette Lo, 1956 to 1983. The record is 152.2 mm (6.0 in) in 1982, marked on the chart; the median year is 82.9 mm (3.3 in).

Wettest five days (Rx5day) at Simonette Lo by year
Year	Wettest five days (Rx5day)
1956	58.9 mm (2.3 in)
1957	123.4 mm (4.9 in)
1958	45.4 mm (1.8 in)
1959	86.0 mm (3.4 in)
1960	105.4 mm (4.1 in)
1961	50.0 mm (2.0 in)
1962	64.6 mm (2.5 in)
1963	60.7 mm (2.4 in)
1964	88.1 mm (3.5 in)
1965	135.6 mm (5.3 in)
1966	76.7 mm (3.0 in)
1967	62.3 mm (2.5 in)
1968	79.8 mm (3.1 in)
1969	43.1 mm (1.7 in)
1970	51.1 mm (2.0 in)
1971	91.5 mm (3.6 in)
1972	125.5 mm (4.9 in)
1973	42.9 mm (1.7 in)
1974	41.1 mm (1.6 in)
1975	97.0 mm (3.8 in)
1976	127.1 mm (5.0 in)
1977	100.5 mm (4.0 in)
1978	110.0 mm (4.3 in)
1979	77.7 mm (3.1 in)
1980	98.0 mm (3.9 in)
1981	66.5 mm (2.6 in)
1982	152.2 mm (6.0 in)
1983	130.2 mm (5.1 in)

Longest dry spell (CDD)

The longest dry spell of the year at Simonette Lo, 1956 to 1983. The record is 20 days in 1964, marked on the chart; the median year is 13 days.

Longest dry spell (CDD) at Simonette Lo by year
Year	Longest dry spell (CDD)
1956	10 days
1957	14 days
1958	13 days
1959	11 days
1960	13 days
1961	18 days
1962	10 days
1963	10 days
1964	20 days
1965	15 days
1966	11 days
1967	15 days
1968	10 days
1969	10 days
1970	11 days
1971	12 days
1972	15 days
1973	14 days
1974	15 days
1975	15 days
1976	15 days
1977	8 days
1978	9 days
1979	10 days
1980	16 days
1981	19 days
1982	10 days
1983	12 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 Simonette Lo standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Simonette 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 2026-10-15 (15 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).