Edmonton Namao A Weather Records (CA003012210)

Record envelope, standing records and threshold days for Edmonton Namao A (CA003012210), Alberta, Canada, with 48 years of record.

Key Facts for Edmonton Namao A

Edmonton Namao A (CA003012210) is a weather station in Alberta, Canada at 53.67 latitude and -113.47 longitude, 688 m (2,257 ft) above sea level.
The station reports from 1955 to 2002, 48 years of record.
1,464 records set at Edmonton Namao A 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, 53.67 latitude, -113.47 longitude.
Elevation: 688 m (2,257 ft).
Period of record: 1955 to 2002, 48 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 Edmonton Namao A. 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 Edmonton Namao A, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	10.0 C (50.0 F)	-42.2 C (-44.0 F)	n/a	n/a
Feb	11.1 C (52.0 F)	-37.8 C (-36.0 F)	n/a	n/a
Mar	16.1 C (61.0 F)	-35.0 C (-31.0 F)	n/a	n/a
Apr	29.6 C (85.3 F)	-23.3 C (-9.9 F)	n/a	n/a
May	29.4 C (84.9 F)	-7.2 C (19.0 F)	n/a	n/a
Jun	33.9 C (93.0 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	33.9 C (93.0 F)	2.8 C (37.0 F)	n/a	n/a
Aug	32.6 C (90.7 F)	0.9 C (33.6 F)	n/a	n/a
Sep	32.8 C (91.0 F)	-7.8 C (18.0 F)	n/a	n/a
Oct	26.9 C (80.4 F)	-15.0 C (5.0 F)	n/a	n/a
Nov	18.9 C (66.0 F)	-31.1 C (-24.0 F)	n/a	n/a
Dec	10.6 C (51.1 F)	-39.2 C (-38.6 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Edmonton Namao A still stand. 1961 holds the most, with 86.

Standing records at Edmonton Namao A by the year they were set
Year set	Standing records
1955	19
1956	79
1957	67
1958	44
1959	59
1960	48
1961	86
1962	55
1963	56
1964	49
1965	69
1966	37
1967	46
1968	67
1969	59
1970	49
1971	49
1972	44
1973	35
1974	31
1975	37
1976	44
1977	65
1978	37
1979	39
1980	43
1981	67
1982	50
1983	34

Wettest Day of Each Month

Jun: 94.7 mm (3.7 in)

The wettest day on record for each calendar month at Edmonton Namao A. The most was 94.7 mm (3.7 in) on 27 June 1965.

Record daily precipitation for each month at Edmonton Namao A
Month	Record daily precipitation (mm)	Date
Jan	11.2 mm (0.4 in)	13 January 1974
Feb	24.1 mm (0.9 in)	15 February 1961
Mar	23.9 mm (0.9 in)	13 March 1974
Apr	22.1 mm (0.9 in)	13 April 1973
May	33.0 mm (1.3 in)	28 May 1977
Jun	94.7 mm (3.7 in)	27 June 1965
Jul	54.4 mm (2.1 in)	14 July 1981
Aug	69.6 mm (2.7 in)	4 August 1960
Sep	53.3 mm (2.1 in)	4 September 1969
Oct	23.6 mm (0.9 in)	8 October 1981
Nov	13.7 mm (0.5 in)	24 November 1960
Dec	21.6 mm (0.9 in)	21 December 1974

Period of Record Coverage

1955 to 1983

29 years of record at Edmonton Namao A, 1955 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1955.

Days with data per year at Edmonton Namao A
Year	Days with data	Share of year	Complete
1955	61	17%	No
1956	366	100%	Yes
1957	365	100%	Yes
1958	365	100%	Yes
1959	365	100%	Yes
1960	366	100%	Yes
1961	365	100%	Yes
1962	365	100%	Yes
1963	365	100%	Yes
1964	366	100%	Yes
1965	365	100%	Yes
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	365	100%	Yes
1971	365	100%	Yes
1972	366	100%	Yes
1973	365	100%	Yes
1974	365	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	365	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	365	100%	Yes
1982	365	100%	Yes
1983	365	100%	Yes

Latest Records

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

Climate Trend

28 complete years, 1956 to 1983

One stripe for each of 28 complete years at Edmonton Namao A, 1956 to 1983. Blue stripes are years cooler than the station's own mean of 2.5 C (36.5 F); red stripes are warmer. The coolest year was 1966, at 0.9 C (33.6 F), and the warmest was 1981, at 5.1 C (41.3 F). The strongest colour marks a difference of 2.7 C (4.9 F).

Annual mean temperature at Edmonton Namao A as warming stripes, 1956 to 1983
Year	Annual mean temperature	Difference from the station mean
1956	2.4 C	-0.13 C
1957	3.0 C	+0.47 C
1958	3.6 C	+1.14 C
1959	2.8 C	+0.30 C
1960	3.1 C	+0.64 C
1961	3.2 C	+0.76 C
1962	3.0 C	+0.52 C
1963	3.4 C	+0.96 C
1964	2.2 C	-0.24 C
1965	1.3 C	-1.20 C
1966	0.9 C	-1.57 C
1967	2.2 C	-0.30 C
1968	2.4 C	-0.04 C
1969	1.4 C	-1.04 C
1970	1.4 C	-1.12 C
1971	1.8 C	-0.67 C
1972	1.0 C	-1.49 C
1973	2.3 C	-0.20 C
1974	2.5 C	-0.02 C
1975	2.0 C	-0.49 C
1976	4.2 C	+1.68 C
1977	3.2 C	+0.74 C
1978	2.3 C	-0.19 C
1979	2.1 C	-0.37 C
1980	2.9 C	+0.38 C
1981	5.1 C	+2.66 C
1982	0.9 C	-1.55 C
1983	2.8 C	+0.35 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

1955 to 1983

Yearly extremes at Edmonton Namao A: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.9 C (93.0 F)	1959	31.3 C (88.3 F)	29
Coldest night (TNn)	-42.2 C (-44.0 F)	1972	-35.6 C (-32.1 F)	29
Wettest day (Rx1day)	94.7 mm (3.7 in)	1965	37.6 mm (1.5 in)	29
Wettest five days (Rx5day)	125.1 mm (4.9 in)	1965	57.6 mm (2.3 in)	29
Longest dry spell (CDD)	59 days	1977	27 days	29

Hottest day (TXx)

The hottest day of the year at Edmonton Namao A, 1955 to 1983. The record is 33.9 C (93.0 F) in 1959, marked on the chart; the median year is 31.3 C (88.3 F).

Hottest day (TXx) at Edmonton Namao A by year
Year	Hottest day (TXx)
1955	7.8 C (46.0 F)
1956	32.2 C (90.0 F)
1957	29.4 C (84.9 F)
1958	31.7 C (89.1 F)
1959	33.9 C (93.0 F)
1960	32.2 C (90.0 F)
1961	33.9 C (93.0 F)
1962	28.9 C (84.0 F)
1963	31.1 C (88.0 F)
1964	32.8 C (91.0 F)
1965	31.1 C (88.0 F)
1966	29.4 C (84.9 F)
1967	32.2 C (90.0 F)
1968	30.6 C (87.1 F)
1969	30.6 C (87.1 F)
1970	33.3 C (91.9 F)
1971	32.2 C (90.0 F)
1972	29.4 C (84.9 F)
1973	31.7 C (89.1 F)
1974	29.4 C (84.9 F)
1975	31.7 C (89.1 F)
1976	28.9 C (84.0 F)
1977	31.0 C (87.8 F)
1978	31.3 C (88.3 F)
1979	31.5 C (88.7 F)
1980	29.0 C (84.2 F)
1981	32.8 C (91.0 F)
1982	30.5 C (86.9 F)
1983	32.6 C (90.7 F)

Coldest night (TNn)

The coldest night of the year at Edmonton Namao A, 1955 to 1983. The record is -42.2 C (-44.0 F) in 1972, marked on the chart; the median year is -35.6 C (-32.1 F).

Coldest night (TNn) at Edmonton Namao A by year
Year	Coldest night (TNn)
1955	-30.6 C (-23.1 F)
1956	-35.6 C (-32.1 F)
1957	-31.1 C (-24.0 F)
1958	-30.6 C (-23.1 F)
1959	-33.9 C (-29.0 F)
1960	-32.2 C (-26.0 F)
1961	-36.1 C (-33.0 F)
1962	-37.8 C (-36.0 F)
1963	-36.1 C (-33.0 F)
1964	-35.6 C (-32.1 F)
1965	-37.2 C (-35.0 F)
1966	-40.0 C (-40.0 F)
1967	-32.2 C (-26.0 F)
1968	-35.6 C (-32.1 F)
1969	-41.1 C (-42.0 F)
1970	-39.4 C (-38.9 F)
1971	-37.2 C (-35.0 F)
1972	-42.2 C (-44.0 F)
1973	-31.7 C (-25.1 F)
1974	-35.6 C (-32.1 F)
1975	-35.0 C (-31.0 F)
1976	-38.9 C (-38.0 F)
1977	-39.2 C (-38.6 F)
1978	-35.1 C (-31.2 F)
1979	-35.5 C (-31.9 F)
1980	-34.9 C (-30.8 F)
1981	-31.6 C (-24.9 F)
1982	-40.0 C (-40.0 F)
1983	-36.3 C (-33.3 F)

Wettest day (Rx1day)

The wettest day of the year at Edmonton Namao A, 1955 to 1983. The record is 94.7 mm (3.7 in) in 1965, marked on the chart; the median year is 37.6 mm (1.5 in).

Wettest day (Rx1day) at Edmonton Namao A by year
Year	Wettest day (Rx1day)
1955	19.6 mm (0.8 in)
1956	35.3 mm (1.4 in)
1957	21.6 mm (0.9 in)
1958	52.8 mm (2.1 in)
1959	24.4 mm (1.0 in)
1960	69.6 mm (2.7 in)
1961	41.7 mm (1.6 in)
1962	23.1 mm (0.9 in)
1963	19.3 mm (0.8 in)
1964	21.8 mm (0.9 in)
1965	94.7 mm (3.7 in)
1966	32.0 mm (1.3 in)
1967	19.8 mm (0.8 in)
1968	28.7 mm (1.1 in)
1969	53.3 mm (2.1 in)
1970	41.7 mm (1.6 in)
1971	24.6 mm (1.0 in)
1972	23.1 mm (0.9 in)
1973	62.0 mm (2.4 in)
1974	83.1 mm (3.3 in)
1975	39.9 mm (1.6 in)
1976	37.6 mm (1.5 in)
1977	33.0 mm (1.3 in)
1978	37.6 mm (1.5 in)
1979	42.4 mm (1.7 in)
1980	37.2 mm (1.5 in)
1981	54.4 mm (2.1 in)
1982	46.1 mm (1.8 in)
1983	43.7 mm (1.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Edmonton Namao A, 1955 to 1983. The record is 125.1 mm (4.9 in) in 1965, marked on the chart; the median year is 57.6 mm (2.3 in).

Wettest five days (Rx5day) at Edmonton Namao A by year
Year	Wettest five days (Rx5day)
1955	24.5 mm (1.0 in)
1956	53.1 mm (2.1 in)
1957	31.9 mm (1.3 in)
1958	85.3 mm (3.4 in)
1959	45.5 mm (1.8 in)
1960	83.6 mm (3.3 in)
1961	71.6 mm (2.8 in)
1962	31.8 mm (1.3 in)
1963	40.9 mm (1.6 in)
1964	49.0 mm (1.9 in)
1965	125.1 mm (4.9 in)
1966	62.7 mm (2.5 in)
1967	42.7 mm (1.7 in)
1968	34.6 mm (1.4 in)
1969	73.9 mm (2.9 in)
1970	55.7 mm (2.2 in)
1971	55.3 mm (2.2 in)
1972	33.1 mm (1.3 in)
1973	73.2 mm (2.9 in)
1974	94.8 mm (3.7 in)
1975	58.7 mm (2.3 in)
1976	74.0 mm (2.9 in)
1977	57.6 mm (2.3 in)
1978	63.1 mm (2.5 in)
1979	55.3 mm (2.2 in)
1980	69.2 mm (2.7 in)
1981	56.9 mm (2.2 in)
1982	108.9 mm (4.3 in)
1983	87.9 mm (3.5 in)

Longest dry spell (CDD)

The longest dry spell of the year at Edmonton Namao A, 1955 to 1983. The record is 59 days in 1977, marked on the chart; the median year is 27 days.

Longest dry spell (CDD) at Edmonton Namao A by year
Year	Longest dry spell (CDD)
1955	17 days
1956	20 days
1957	27 days
1958	25 days
1959	35 days
1960	37 days
1961	17 days
1962	19 days
1963	18 days
1964	27 days
1965	16 days
1966	26 days
1967	27 days
1968	25 days
1969	25 days
1970	26 days
1971	32 days
1972	24 days
1973	39 days
1974	32 days
1975	26 days
1976	51 days
1977	59 days
1978	33 days
1979	42 days
1980	39 days
1981	45 days
1982	31 days
1983	33 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

28 years with a frost

Across 28 years with a frost, the median last spring frost at Edmonton Namao A falls on 13 May and the median first autumn frost on 18 September, which leaves a median of 130 days between them.

Fitted over all years, the growing season changes by +7.4 days per decade at this station.

Frost dates and growing season at Edmonton Namao A
Measure	Median, all years	Earliest period	Recent period (1956 to 1983)	Recent against earliest	Fitted trend
Last spring frost	13 May	n/a	13 May	n/a	-2.3 days per decade
First autumn frost	18 September	n/a	18 September	n/a	+5.2 days per decade
Growing days	130 days	n/a	130 days	n/a	+7.4 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 Edmonton Namao A standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Edmonton Namao A 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).