Ethelda Bay Weather Records (CA001062745)

Record envelope, standing records and threshold days for Ethelda Bay (CA001062745), British Columbia, Canada, with 35 years of record.

Key Facts for Ethelda Bay

Ethelda Bay (CA001062745) is a weather station in British Columbia, Canada at 53.05 latitude and -129.68 longitude, 10 m (33 ft) above sea level.
The station reports from 1957 to 1991, 35 years of record.
1,464 records set at Ethelda Bay still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: British Columbia, Canada, 53.05 latitude, -129.68 longitude.
Elevation: 10 m (33 ft).
Period of record: 1957 to 1991, 35 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 Ethelda Bay. 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 Ethelda Bay, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	16.1 C (61.0 F)	-16.7 C (1.9 F)	n/a	n/a
Feb	15.0 C (59.0 F)	-10.6 C (12.9 F)	n/a	n/a
Mar	16.7 C (62.1 F)	-8.9 C (16.0 F)	n/a	n/a
Apr	20.6 C (69.1 F)	-7.8 C (18.0 F)	n/a	n/a
May	28.3 C (82.9 F)	-2.2 C (28.0 F)	n/a	n/a
Jun	28.3 C (82.9 F)	-1.1 C (30.0 F)	n/a	n/a
Jul	26.4 C (79.5 F)	2.6 C (36.7 F)	n/a	n/a
Aug	28.4 C (83.1 F)	2.8 C (37.0 F)	n/a	n/a
Sep	25.0 C (77.0 F)	-1.1 C (30.0 F)	n/a	n/a
Oct	20.6 C (69.1 F)	-2.2 C (28.0 F)	n/a	n/a
Nov	17.8 C (64.0 F)	-7.2 C (19.0 F)	n/a	n/a
Dec	16.1 C (61.0 F)	-14.4 C (6.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Ethelda Bay still stand. 1958 holds the most, with 104.

Standing records at Ethelda Bay by the year they were set
Year set	Standing records
1957	1
1958	104
1959	45
1960	56
1961	38
1962	51
1963	82
1964	61
1965	55
1966	46
1967	50
1968	84
1969	77
1970	50
1971	52
1972	87
1973	40
1974	38
1975	47
1976	48
1977	60
1978	31
1979	54
1980	60
1981	55
1982	50
1983	42

Wettest Day of Each Month

Dec: 129.8 mm (5.1 in)

The wettest day on record for each calendar month at Ethelda Bay. The most was 129.8 mm (5.1 in) on 5 December 1959.

Record daily precipitation for each month at Ethelda Bay
Month	Record daily precipitation (mm)	Date
Jan	91.2 mm (3.6 in)	15 January 1972
Feb	107.4 mm (4.2 in)	9 February 1964
Mar	104.6 mm (4.1 in)	18 March 1960
Apr	103.4 mm (4.1 in)	8 April 1968
May	95.3 mm (3.8 in)	25 May 1979
Jun	74.9 mm (2.9 in)	25 June 1968
Jul	77.7 mm (3.1 in)	3 July 1970
Aug	76.2 mm (3.0 in)	14 August 1969
Sep	85.4 mm (3.4 in)	25 September 1983
Oct	111.5 mm (4.4 in)	15 October 1974
Nov	106.7 mm (4.2 in)	22 November 1972
Dec	129.8 mm (5.1 in)	5 December 1959

Period of Record Coverage

1957 to 1983

27 years of record at Ethelda Bay, 1957 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1957.

Days with data per year at Ethelda Bay
Year	Days with data	Share of year	Complete
1957	31	8%	No
1958	363	99%	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	364	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	364	100%	Yes
1978	363	99%	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

26 complete years, 1958 to 1983

One stripe for each of 26 complete years at Ethelda Bay, 1958 to 1983. Blue stripes are years cooler than the station's own mean of 7.7 C (45.9 F); red stripes are warmer. The coolest year was 1982, at 6.8 C (44.3 F), and the warmest was 1958, at 9.4 C (48.9 F). The strongest colour marks a difference of 1.7 C (3.1 F).

Annual mean temperature at Ethelda Bay as warming stripes, 1958 to 1983
Year	Annual mean temperature	Difference from the station mean
1958	9.4 C	+1.66 C
1959	8.1 C	+0.37 C
1960	8.1 C	+0.43 C
1961	8.4 C	+0.72 C
1962	8.0 C	+0.30 C
1963	9.0 C	+1.27 C
1964	7.6 C	-0.14 C
1965	7.7 C	-0.06 C
1966	7.8 C	+0.07 C
1967	7.8 C	+0.04 C
1968	6.9 C	-0.77 C
1969	7.7 C	-0.02 C
1970	7.5 C	-0.22 C
1971	6.9 C	-0.80 C
1972	6.8 C	-0.87 C
1973	7.1 C	-0.60 C
1974	7.8 C	+0.06 C
1975	7.0 C	-0.75 C
1976	7.5 C	-0.23 C
1977	7.3 C	-0.41 C
1978	7.5 C	-0.22 C
1979	7.6 C	-0.15 C
1980	7.6 C	-0.07 C
1981	8.5 C	+0.78 C
1982	6.8 C	-0.88 C
1983	8.3 C	+0.54 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

1957 to 1983

Yearly extremes at Ethelda Bay: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	28.4 C (83.1 F)	1977	24.4 C (75.9 F)	27
Coldest night (TNn)	-16.7 C (1.9 F)	1966	-8.9 C (16.0 F)	27
Wettest day (Rx1day)	129.8 mm (5.1 in)	1959	88.1 mm (3.5 in)	27
Wettest five days (Rx5day)	302.4 mm (11.9 in)	1960	188.9 mm (7.4 in)	27
Longest dry spell (CDD)	29 days	1974	14 days	27

Hottest day (TXx)

The hottest day of the year at Ethelda Bay, 1957 to 1983. The record is 28.4 C (83.1 F) in 1977, marked on the chart; the median year is 24.4 C (75.9 F).

Hottest day (TXx) at Ethelda Bay by year
Year	Hottest day (TXx)
1957	11.1 C (52.0 F)
1958	28.3 C (82.9 F)
1959	22.8 C (73.0 F)
1960	26.1 C (79.0 F)
1961	25.0 C (77.0 F)
1962	22.8 C (73.0 F)
1963	25.0 C (77.0 F)
1964	23.9 C (75.0 F)
1965	23.9 C (75.0 F)
1966	23.9 C (75.0 F)
1967	24.4 C (75.9 F)
1968	23.3 C (73.9 F)
1969	28.3 C (82.9 F)
1970	22.8 C (73.0 F)
1971	24.4 C (75.9 F)
1972	26.1 C (79.0 F)
1973	23.3 C (73.9 F)
1974	26.1 C (79.0 F)
1975	23.3 C (73.9 F)
1976	25.0 C (77.0 F)
1977	28.4 C (83.1 F)
1978	22.6 C (72.7 F)
1979	23.5 C (74.3 F)
1980	27.3 C (81.1 F)
1981	24.6 C (76.3 F)
1982	26.4 C (79.5 F)
1983	28.3 C (82.9 F)

Coldest night (TNn)

The coldest night of the year at Ethelda Bay, 1957 to 1983. The record is -16.7 C (1.9 F) in 1966, marked on the chart; the median year is -8.9 C (16.0 F).

Coldest night (TNn) at Ethelda Bay by year
Year	Coldest night (TNn)
1957	0.0 C (32.0 F)
1958	-7.2 C (19.0 F)
1959	-7.8 C (18.0 F)
1960	-5.6 C (21.9 F)
1961	-5.0 C (23.0 F)
1962	-7.8 C (18.0 F)
1963	-7.2 C (19.0 F)
1964	-12.8 C (9.0 F)
1965	-13.3 C (8.1 F)
1966	-16.7 C (1.9 F)
1967	-10.0 C (14.0 F)
1968	-14.4 C (6.1 F)
1969	-12.2 C (10.0 F)
1970	-8.9 C (16.0 F)
1971	-12.8 C (9.0 F)
1972	-10.6 C (12.9 F)
1973	-7.8 C (18.0 F)
1974	-8.9 C (16.0 F)
1975	-10.0 C (14.0 F)
1976	-10.0 C (14.0 F)
1977	-14.0 C (6.8 F)
1978	-8.7 C (16.3 F)
1979	-9.8 C (14.4 F)
1980	-8.4 C (16.9 F)
1981	-5.8 C (21.6 F)
1982	-10.3 C (13.5 F)
1983	-7.6 C (18.3 F)

Wettest day (Rx1day)

The wettest day of the year at Ethelda Bay, 1957 to 1983. The record is 129.8 mm (5.1 in) in 1959, marked on the chart; the median year is 88.1 mm (3.5 in).

Wettest day (Rx1day) at Ethelda Bay by year
Year	Wettest day (Rx1day)
1957	53.6 mm (2.1 in)
1958	65.0 mm (2.6 in)
1959	129.8 mm (5.1 in)
1960	104.6 mm (4.1 in)
1961	82.8 mm (3.3 in)
1962	85.1 mm (3.4 in)
1963	87.1 mm (3.4 in)
1964	107.4 mm (4.2 in)
1965	83.6 mm (3.3 in)
1966	80.5 mm (3.2 in)
1967	84.8 mm (3.3 in)
1968	103.4 mm (4.1 in)
1969	88.6 mm (3.5 in)
1970	88.1 mm (3.5 in)
1971	70.6 mm (2.8 in)
1972	106.7 mm (4.2 in)
1973	80.0 mm (3.1 in)
1974	111.5 mm (4.4 in)
1975	103.1 mm (4.1 in)
1976	98.8 mm (3.9 in)
1977	76.8 mm (3.0 in)
1978	82.1 mm (3.2 in)
1979	95.3 mm (3.8 in)
1980	101.9 mm (4.0 in)
1981	100.1 mm (3.9 in)
1982	88.9 mm (3.5 in)
1983	86.0 mm (3.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Ethelda Bay, 1957 to 1983. The record is 302.4 mm (11.9 in) in 1960, marked on the chart; the median year is 188.9 mm (7.4 in).

Wettest five days (Rx5day) at Ethelda Bay by year
Year	Wettest five days (Rx5day)
1957	126.0 mm (5.0 in)
1958	172.5 mm (6.8 in)
1959	255.1 mm (10.0 in)
1960	302.4 mm (11.9 in)
1961	181.9 mm (7.2 in)
1962	238.9 mm (9.4 in)
1963	280.6 mm (11.0 in)
1964	176.2 mm (6.9 in)
1965	188.9 mm (7.4 in)
1966	147.8 mm (5.8 in)
1967	151.0 mm (5.9 in)
1968	190.3 mm (7.5 in)
1969	253.0 mm (10.0 in)
1970	162.9 mm (6.4 in)
1971	172.1 mm (6.8 in)
1972	192.2 mm (7.6 in)
1973	256.4 mm (10.1 in)
1974	182.1 mm (7.2 in)
1975	191.6 mm (7.5 in)
1976	171.8 mm (6.8 in)
1977	167.8 mm (6.6 in)
1978	184.2 mm (7.3 in)
1979	206.5 mm (8.1 in)
1980	244.3 mm (9.6 in)
1981	225.5 mm (8.9 in)
1982	238.1 mm (9.4 in)
1983	172.6 mm (6.8 in)

Longest dry spell (CDD)

The longest dry spell of the year at Ethelda Bay, 1957 to 1983. The record is 29 days in 1974, marked on the chart; the median year is 14 days.

Longest dry spell (CDD) at Ethelda Bay by year
Year	Longest dry spell (CDD)
1957	2 days
1958	24 days
1959	10 days
1960	12 days
1961	13 days
1962	14 days
1963	19 days
1964	14 days
1965	18 days
1966	10 days
1967	15 days
1968	14 days
1969	17 days
1970	10 days
1971	17 days
1972	13 days
1973	11 days
1974	29 days
1975	13 days
1976	10 days
1977	20 days
1978	20 days
1979	14 days
1980	13 days
1981	16 days
1982	19 days
1983	16 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

26 years with a frost

Across 26 years with a frost, the median last spring frost at Ethelda Bay falls on 11 May and the median first autumn frost on 19 October, which leaves a median of 164 days between them.

Fitted over all years, the growing season changes by -5.8 days per decade at this station.

Frost dates and growing season at Ethelda Bay
Measure	Median, all years	Earliest period	Recent period (1958 to 1983)	Recent against earliest	Fitted trend
Last spring frost	11 May	n/a	11 May	n/a	+4.7 days per decade
First autumn frost	19 October	n/a	19 October	n/a	-1.1 days per decade
Growing days	164 days	n/a	164 days	n/a	-5.8 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 Ethelda Bay standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Ethelda Bay 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).