Brooks One Tree Weather Records (CA003020864)

Record envelope, standing records and threshold days for Brooks One Tree (CA003020864), Alberta, Canada, with 32 years of record.

Key Facts for Brooks One Tree

Brooks One Tree (CA003020864) is a weather station in Alberta, Canada at 50.63 latitude and -111.78 longitude, 737 m (2,418 ft) above sea level.
The station reports from 1960 to 1991, 32 years of record.
1,464 records set at Brooks One Tree 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, 50.63 latitude, -111.78 longitude.
Elevation: 737 m (2,418 ft).
Period of record: 1960 to 1991, 32 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 Brooks One Tree. 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 Brooks One Tree, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	14.0 C (57.2 F)	-38.3 C (-36.9 F)	n/a	n/a
Feb	14.5 C (58.1 F)	-39.0 C (-38.2 F)	n/a	n/a
Mar	20.0 C (68.0 F)	-33.9 C (-29.0 F)	n/a	n/a
Apr	30.5 C (86.9 F)	-24.4 C (-11.9 F)	n/a	n/a
May	32.5 C (90.5 F)	-7.0 C (19.4 F)	n/a	n/a
Jun	32.8 C (91.0 F)	0.0 C (32.0 F)	n/a	n/a
Jul	35.6 C (96.1 F)	4.0 C (39.2 F)	n/a	n/a
Aug	36.5 C (97.7 F)	1.5 C (34.7 F)	n/a	n/a
Sep	34.5 C (94.1 F)	-6.0 C (21.2 F)	n/a	n/a
Oct	31.5 C (88.7 F)	-14.4 C (6.1 F)	n/a	n/a
Nov	24.0 C (75.2 F)	-36.7 C (-34.1 F)	n/a	n/a
Dec	13.5 C (56.3 F)	-44.4 C (-47.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Brooks One Tree still stand. 1981 holds the most, with 164.

Wettest Day of Each Month

Jun: 56.1 mm (2.2 in)

The wettest day on record for each calendar month at Brooks One Tree. The most was 56.1 mm (2.2 in) on 16 June 1970.

Record daily precipitation for each month at Brooks One Tree
Month	Record daily precipitation (mm)	Date
Jan	12.7 mm (0.5 in)	5 January 1967
Feb	8.9 mm (0.35 in)	10 February 1978
Mar	17.8 mm (0.7 in)	27 March 1977
Apr	30.5 mm (1.2 in)	20 April 1967
May	46.5 mm (1.8 in)	29 May 1968
Jun	56.1 mm (2.2 in)	16 June 1970
Jul	30.0 mm (1.2 in)	14 July 1966
Aug	42.0 mm (1.7 in)	20 August 1979
Sep	45.2 mm (1.8 in)	1 September 1964
Oct	20.3 mm (0.8 in)	12 October 1966
Nov	20.3 mm (0.8 in)	16 November 1966
Dec	25.4 mm (1.0 in)	9 December 1975

Period of Record Coverage

1973 to 1983

11 years of record at Brooks One Tree, 1973 to 1983. 3 years have data for under 90 percent of days and are left out of rankings: 1973, 1981, 1982.

Days with data per year at Brooks One Tree
Year	Days with data	Share of year	Complete
1973	60	16%	No
1974	361	99%	Yes
1975	332	91%	Yes
1976	342	93%	Yes
1977	352	96%	Yes
1978	331	91%	Yes
1979	347	95%	Yes
1980	358	98%	Yes
1981	324	89%	No
1982	326	89%	No
1983	340	93%	Yes

Latest Records

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

Extremes by Year

1960 to 1983

Yearly extremes at Brooks One Tree: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.5 C (97.7 F)	1983	34.0 C (93.2 F)	11
Coldest night (TNn)	-44.4 C (-47.9 F)	1977	-36.5 C (-33.7 F)	11
Wettest day (Rx1day)	56.1 mm (2.2 in)	1970	29.5 mm (1.2 in)	24
Wettest five days (Rx5day)	103.5 mm (4.1 in)	1973	45.6 mm (1.8 in)	24
Longest dry spell (CDD)	64 days	1963	36 days	24

Hottest day (TXx)

The hottest day of the year at Brooks One Tree, 1960 to 1983. The record is 36.5 C (97.7 F) in 1983, marked on the chart; the median year is 34.0 C (93.2 F).

Hottest day (TXx) at Brooks One Tree by year
Year	Hottest day (TXx)
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	6.7 C (44.1 F)
1974	34.4 C (93.9 F)
1975	35.6 C (96.1 F)
1976	32.8 C (91.0 F)
1977	32.8 C (91.0 F)
1978	34.0 C (93.2 F)
1979	34.5 C (94.1 F)
1980	32.5 C (90.5 F)
1981	34.5 C (94.1 F)
1982	32.0 C (89.6 F)
1983	36.5 C (97.7 F)

Coldest night (TNn)

The coldest night of the year at Brooks One Tree, 1960 to 1983. The record is -44.4 C (-47.9 F) in 1977, marked on the chart; the median year is -36.5 C (-33.7 F).

Coldest night (TNn) at Brooks One Tree by year
Year	Coldest night (TNn)
1960	n/a
1961	n/a
1962	n/a
1963	n/a
1964	n/a
1965	n/a
1966	n/a
1967	n/a
1968	n/a
1969	n/a
1970	n/a
1971	n/a
1972	n/a
1973	-30.6 C (-23.1 F)
1974	-38.3 C (-36.9 F)
1975	-38.9 C (-38.0 F)
1976	-36.1 C (-33.0 F)
1977	-44.4 C (-47.9 F)
1978	-35.0 C (-31.0 F)
1979	-39.0 C (-38.2 F)
1980	-36.0 C (-32.8 F)
1981	-31.0 C (-23.8 F)
1982	-36.5 C (-33.7 F)
1983	-41.5 C (-42.7 F)

Wettest day (Rx1day)

The wettest day of the year at Brooks One Tree, 1960 to 1983. The record is 56.1 mm (2.2 in) in 1970, marked on the chart; the median year is 29.5 mm (1.2 in).

Wettest day (Rx1day) at Brooks One Tree by year
Year	Wettest day (Rx1day)
1960	21.3 mm (0.8 in)
1961	20.1 mm (0.8 in)
1962	16.5 mm (0.6 in)
1963	32.0 mm (1.3 in)
1964	45.2 mm (1.8 in)
1965	27.4 mm (1.1 in)
1966	33.8 mm (1.3 in)
1967	30.5 mm (1.2 in)
1968	46.5 mm (1.8 in)
1969	25.1 mm (1.0 in)
1970	56.1 mm (2.2 in)
1971	31.8 mm (1.3 in)
1972	21.3 mm (0.8 in)
1973	47.8 mm (1.9 in)
1974	11.4 mm (0.4 in)
1975	25.4 mm (1.0 in)
1976	26.7 mm (1.1 in)
1977	40.9 mm (1.6 in)
1978	41.1 mm (1.6 in)
1979	42.0 mm (1.7 in)
1980	23.2 mm (0.9 in)
1981	22.4 mm (0.9 in)
1982	34.0 mm (1.3 in)
1983	28.4 mm (1.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Brooks One Tree, 1960 to 1983. The record is 103.5 mm (4.1 in) in 1973, marked on the chart; the median year is 45.6 mm (1.8 in).

Wettest five days (Rx5day) at Brooks One Tree by year
Year	Wettest five days (Rx5day)
1960	28.0 mm (1.1 in)
1961	23.4 mm (0.9 in)
1962	24.9 mm (1.0 in)
1963	45.0 mm (1.8 in)
1964	53.3 mm (2.1 in)
1965	46.5 mm (1.8 in)
1966	52.6 mm (2.1 in)
1967	45.7 mm (1.8 in)
1968	90.2 mm (3.6 in)
1969	34.0 mm (1.3 in)
1970	102.3 mm (4.0 in)
1971	36.6 mm (1.4 in)
1972	38.9 mm (1.5 in)
1973	103.5 mm (4.1 in)
1974	17.7 mm (0.7 in)
1975	45.4 mm (1.8 in)
1976	26.7 mm (1.1 in)
1977	46.0 mm (1.8 in)
1978	52.3 mm (2.1 in)
1979	49.0 mm (1.9 in)
1980	61.1 mm (2.4 in)
1981	42.8 mm (1.7 in)
1982	50.5 mm (2.0 in)
1983	33.2 mm (1.3 in)

Longest dry spell (CDD)

The longest dry spell of the year at Brooks One Tree, 1960 to 1983. The record is 64 days in 1963, marked on the chart; the median year is 36 days.

Longest dry spell (CDD) at Brooks One Tree by year
Year	Longest dry spell (CDD)
1960	26 days
1961	41 days
1962	29 days
1963	64 days
1964	51 days
1965	29 days
1966	40 days
1967	55 days
1968	39 days
1969	48 days
1970	20 days
1971	38 days
1972	28 days
1973	49 days
1974	33 days
1975	31 days
1976	55 days
1977	59 days
1978	49 days
1979	30 days
1980	24 days
1981	23 days
1982	23 days
1983	32 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 Brooks One Tree standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Brooks One Tree 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).