Trochu Equity Weather Records (CA003026530)

Record envelope, standing records and threshold days for Trochu Equity (CA003026530), Alberta, Canada, with 36 years of record.

Key Facts for Trochu Equity

Trochu Equity (CA003026530) is a weather station in Alberta, Canada at 51.78 latitude and -113.20 longitude, 854 m (2,802 ft) above sea level.
The station reports from 1954 to 1989, 36 years of record.
1,464 records set at Trochu Equity still stand.
Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.

About the Station

Location: Alberta, Canada, 51.78 latitude, -113.20 longitude.
Elevation: 854 m (2,802 ft).
Period of record: 1954 to 1989, 36 years.
Eligible elements: prcp, snow.

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 Trochu Equity. 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 Trochu Equity, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	10.6 C (51.1 F)	-40.0 C (-40.0 F)	n/a	n/a
Feb	12.2 C (54.0 F)	-36.1 C (-33.0 F)	n/a	n/a
Mar	21.7 C (71.1 F)	-32.8 C (-27.0 F)	n/a	n/a
Apr	32.2 C (90.0 F)	-23.0 C (-9.4 F)	n/a	n/a
May	31.7 C (89.1 F)	-9.4 C (15.1 F)	n/a	n/a
Jun	35.0 C (95.0 F)	-2.8 C (27.0 F)	n/a	n/a
Jul	36.1 C (97.0 F)	1.7 C (35.1 F)	n/a	n/a
Aug	35.6 C (96.1 F)	-1.1 C (30.0 F)	n/a	n/a
Sep	36.1 C (97.0 F)	-9.5 C (14.9 F)	n/a	n/a
Oct	30.5 C (86.9 F)	-20.0 C (-4.0 F)	n/a	n/a
Nov	22.2 C (72.0 F)	-30.0 C (-22.0 F)	n/a	n/a
Dec	12.8 C (55.0 F)	-43.0 C (-45.4 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Trochu Equity still stand. 1956 holds the most, with 72.

Standing records at Trochu Equity by the year they were set
Year set	Standing records
1955	65
1956	72
1957	57
1958	39
1959	71
1960	29
1961	64
1962	42
1963	57
1964	57
1965	61
1966	53
1967	38
1968	72
1969	55
1970	43
1971	34
1972	44
1973	35
1974	33
1975	56
1976	37
1977	56
1978	39
1979	53
1980	54
1981	64
1982	34
1983	50

Wettest Day of Each Month

Jul: 53.3 mm (2.1 in)

The wettest day on record for each calendar month at Trochu Equity. The most was 53.3 mm (2.1 in) on 2 July 1966.

Record daily precipitation for each month at Trochu Equity
Month	Record daily precipitation (mm)	Date
Jan	25.7 mm (1.0 in)	4 January 1967
Feb	10.2 mm (0.4 in)	11 February 1961
Mar	18.0 mm (0.7 in)	1 March 1982
Apr	38.6 mm (1.5 in)	26 April 1974
May	49.0 mm (1.9 in)	5 May 1981
Jun	48.8 mm (1.9 in)	13 June 1970
Jul	53.3 mm (2.1 in)	2 July 1966
Aug	47.2 mm (1.9 in)	24 August 1954
Sep	34.5 mm (1.4 in)	3 September 1969
Oct	31.8 mm (1.3 in)	3 October 1974
Nov	17.8 mm (0.7 in)	14 November 1965
Dec	20.0 mm (0.8 in)	3 December 1980

Period of Record Coverage

1955 to 1983

29 years of record at Trochu Equity, 1955 to 1983. Every year has data for at least 90 percent of its days.

Days with data per year at Trochu Equity
Year	Days with data	Share of year	Complete
1955	365	100%	Yes
1956	366	100%	Yes
1957	363	99%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	365	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	342	94%	Yes
1964	362	99%	Yes
1965	365	100%	Yes
1966	364	100%	Yes
1967	334	92%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	359	98%	Yes
1974	362	99%	Yes
1975	365	100%	Yes
1976	363	99%	Yes
1977	360	99%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	359	98%	Yes
1982	363	99%	Yes
1983	364	100%	Yes

Latest Records

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

Climate Trend

27 complete years, 1955 to 1983

One stripe for each of 27 complete years at Trochu Equity, 1955 to 1983. Blue stripes are years cooler than the station's own mean of 3.0 C (37.3 F); red stripes are warmer. The coolest year was 1955, at 1.1 C (34.0 F), and the warmest was 1981, at 5.9 C (42.6 F). The strongest colour marks a difference of 2.9 C (5.2 F).

Annual mean temperature at Trochu Equity as warming stripes, 1955 to 1983
Year	Annual mean temperature	Difference from the station mean
1955	1.1 C	-1.87 C
1956	2.2 C	-0.79 C
1957	2.9 C	-0.04 C
1958	3.7 C	+0.74 C
1959	2.5 C	-0.48 C
1960	2.9 C	-0.07 C
1961	3.7 C	+0.71 C
1962	3.9 C	+0.96 C
1964	3.1 C	+0.15 C
1965	1.8 C	-1.22 C
1966	1.8 C	-1.20 C
1968	3.1 C	+0.12 C
1969	2.2 C	-0.77 C
1970	2.6 C	-0.35 C
1971	2.7 C	-0.27 C
1972	1.9 C	-1.06 C
1973	3.4 C	+0.43 C
1974	3.4 C	+0.43 C
1975	2.5 C	-0.49 C
1976	5.1 C	+2.14 C
1977	4.1 C	+1.16 C
1978	2.7 C	-0.27 C
1979	3.1 C	+0.08 C
1980	3.2 C	+0.20 C
1981	5.9 C	+2.90 C
1982	1.4 C	-1.57 C
1983	3.4 C	+0.43 C

This station does not have enough complete years (30 are needed) to fit a temperature trend.

A year is complete when all 12 months have at least 20 days of both daily maximum and daily minimum readings. The annual mean is the mean of the monthly means. The trend describes this one station over this period; it does not say what caused the change.

Extremes by Year

1954 to 1983

Yearly extremes at Trochu Equity: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.1 C (97.0 F)	1967	34.4 C (93.9 F)	29
Coldest night (TNn)	-43.0 C (-45.4 F)	1977	-35.0 C (-31.0 F)	29
Wettest day (Rx1day)	53.3 mm (2.1 in)	1966	34.4 mm (1.4 in)	30
Wettest five days (Rx5day)	109.9 mm (4.3 in)	1970	54.3 mm (2.1 in)	30
Longest dry spell (CDD)	52 days	1972	30 days	30

Hottest day (TXx)

The hottest day of the year at Trochu Equity, 1954 to 1983. The record is 36.1 C (97.0 F) in 1967, marked on the chart; the median year is 34.4 C (93.9 F).

Hottest day (TXx) at Trochu Equity by year
Year	Hottest day (TXx)
1954	n/a
1955	32.8 C (91.0 F)
1956	32.8 C (91.0 F)
1957	31.7 C (89.1 F)
1958	33.3 C (91.9 F)
1959	33.3 C (91.9 F)
1960	35.6 C (96.1 F)
1961	35.6 C (96.1 F)
1962	32.8 C (91.0 F)
1963	31.7 C (89.1 F)
1964	35.6 C (96.1 F)
1965	31.7 C (89.1 F)
1966	32.8 C (91.0 F)
1967	36.1 C (97.0 F)
1968	35.0 C (95.0 F)
1969	34.4 C (93.9 F)
1970	35.6 C (96.1 F)
1971	35.6 C (96.1 F)
1972	32.2 C (90.0 F)
1973	33.9 C (93.0 F)
1974	34.4 C (93.9 F)
1975	36.1 C (97.0 F)
1976	32.2 C (90.0 F)
1977	35.0 C (95.0 F)
1978	35.0 C (95.0 F)
1979	35.5 C (95.9 F)
1980	35.0 C (95.0 F)
1981	36.0 C (96.8 F)
1982	32.0 C (89.6 F)
1983	35.5 C (95.9 F)

Coldest night (TNn)

The coldest night of the year at Trochu Equity, 1954 to 1983. The record is -43.0 C (-45.4 F) in 1977, marked on the chart; the median year is -35.0 C (-31.0 F).

Coldest night (TNn) at Trochu Equity by year
Year	Coldest night (TNn)
1954	n/a
1955	-32.2 C (-26.0 F)
1956	-40.0 C (-40.0 F)
1957	-33.9 C (-29.0 F)
1958	-33.9 C (-29.0 F)
1959	-31.7 C (-25.1 F)
1960	-32.2 C (-26.0 F)
1961	-31.7 C (-25.1 F)
1962	-35.0 C (-31.0 F)
1963	-34.4 C (-29.9 F)
1964	-35.0 C (-31.0 F)
1965	-34.4 C (-29.9 F)
1966	-36.1 C (-33.0 F)
1967	-32.2 C (-26.0 F)
1968	-39.4 C (-38.9 F)
1969	-38.9 C (-38.0 F)
1970	-37.8 C (-36.0 F)
1971	-35.6 C (-32.1 F)
1972	-40.0 C (-40.0 F)
1973	-32.8 C (-27.0 F)
1974	-37.2 C (-35.0 F)
1975	-35.0 C (-31.0 F)
1976	-34.4 C (-29.9 F)
1977	-43.0 C (-45.4 F)
1978	-34.0 C (-29.2 F)
1979	-36.0 C (-32.8 F)
1980	-37.0 C (-34.6 F)
1981	-30.0 C (-22.0 F)
1982	-35.0 C (-31.0 F)
1983	-39.5 C (-39.1 F)

Wettest day (Rx1day)

The wettest day of the year at Trochu Equity, 1954 to 1983. The record is 53.3 mm (2.1 in) in 1966, marked on the chart; the median year is 34.4 mm (1.4 in).

Wettest day (Rx1day) at Trochu Equity by year
Year	Wettest day (Rx1day)
1954	47.2 mm (1.9 in)
1955	29.2 mm (1.1 in)
1956	49.0 mm (1.9 in)
1957	34.3 mm (1.4 in)
1958	24.9 mm (1.0 in)
1959	48.8 mm (1.9 in)
1960	21.3 mm (0.8 in)
1961	22.4 mm (0.9 in)
1962	18.5 mm (0.7 in)
1963	45.7 mm (1.8 in)
1964	42.9 mm (1.7 in)
1965	32.3 mm (1.3 in)
1966	53.3 mm (2.1 in)
1967	25.7 mm (1.0 in)
1968	44.5 mm (1.8 in)
1969	34.5 mm (1.4 in)
1970	48.8 mm (1.9 in)
1971	25.1 mm (1.0 in)
1972	27.4 mm (1.1 in)
1973	43.2 mm (1.7 in)
1974	38.6 mm (1.5 in)
1975	51.3 mm (2.0 in)
1976	27.9 mm (1.1 in)
1977	17.2 mm (0.7 in)
1978	27.7 mm (1.1 in)
1979	22.1 mm (0.9 in)
1980	35.0 mm (1.4 in)
1981	49.0 mm (1.9 in)
1982	24.6 mm (1.0 in)
1983	46.8 mm (1.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Trochu Equity, 1954 to 1983. The record is 109.9 mm (4.3 in) in 1970, marked on the chart; the median year is 54.3 mm (2.1 in).

Wettest five days (Rx5day) at Trochu Equity by year
Year	Wettest five days (Rx5day)
1954	97.3 mm (3.8 in)
1955	63.5 mm (2.5 in)
1956	76.0 mm (3.0 in)
1957	79.0 mm (3.1 in)
1958	49.6 mm (2.0 in)
1959	54.1 mm (2.1 in)
1960	33.8 mm (1.3 in)
1961	34.6 mm (1.4 in)
1962	45.0 mm (1.8 in)
1963	67.6 mm (2.7 in)
1964	66.8 mm (2.6 in)
1965	43.0 mm (1.7 in)
1966	59.2 mm (2.3 in)
1967	33.3 mm (1.3 in)
1968	100.4 mm (4.0 in)
1969	45.7 mm (1.8 in)
1970	109.9 mm (4.3 in)
1971	37.9 mm (1.5 in)
1972	47.2 mm (1.9 in)
1973	72.4 mm (2.9 in)
1974	46.2 mm (1.8 in)
1975	52.6 mm (2.1 in)
1976	43.0 mm (1.7 in)
1977	34.1 mm (1.3 in)
1978	56.2 mm (2.2 in)
1979	30.0 mm (1.2 in)
1980	54.5 mm (2.1 in)
1981	92.9 mm (3.7 in)
1982	56.0 mm (2.2 in)
1983	63.6 mm (2.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Trochu Equity, 1954 to 1983. The record is 52 days in 1972, marked on the chart; the median year is 30 days.

Longest dry spell (CDD) at Trochu Equity by year
Year	Longest dry spell (CDD)
1954	47 days
1955	20 days
1956	29 days
1957	19 days
1958	39 days
1959	21 days
1960	30 days
1961	39 days
1962	29 days
1963	19 days
1964	26 days
1965	42 days
1966	31 days
1967	28 days
1968	25 days
1969	29 days
1970	22 days
1971	44 days
1972	52 days
1973	34 days
1974	41 days
1975	20 days
1976	52 days
1977	45 days
1978	21 days
1979	30 days
1980	39 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.

Frost Dates and Growing Season

27 years with a frost

Across 27 years with a frost, the median last spring frost at Trochu Equity falls on 21 May and the median first autumn frost on 11 September, which leaves a median of 114 days between them.

Fitted over all years, the growing season changes by +1.7 days per decade at this station.

Frost dates and growing season at Trochu Equity
Measure	Median, all years	Earliest period	Recent period (1955 to 1983)	Recent against earliest	Fitted trend
Last spring frost	21 May	n/a	21 May	n/a	-0.1 days per decade
First autumn frost	11 September	n/a	11 September	n/a	+1.6 days per decade
Growing days	114 days	n/a	114 days	n/a	+1.7 days per decade

A frost day is a day with a daily minimum at or below 0 C (32 F). The last spring frost and the first autumn frost are the last and first such days of the cold season, and growing days are the days between them. A negative trend for the last spring frost means it comes earlier.

Download the Data

Data for Trochu Equity standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Trochu Equity 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 2026-10-15. Last revised 15 October 2026 (2026-10-15).