Port Mellon Weather Records (CA001046330)

Record envelope, standing records and threshold days for Port Mellon (CA001046330), British Columbia, Canada, with 48 years of record.

Key Facts for Port Mellon

Port Mellon (CA001046330) is a weather station in British Columbia, Canada at 49.52 latitude and -123.48 longitude, 8 m (26 ft) above sea level.
The station reports from 1942 to 1989, 48 years of record.
1,460 records set at Port Mellon 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, 49.52 latitude, -123.48 longitude.
Elevation: 8 m (26 ft).
Period of record: 1942 to 1989, 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 Port Mellon. 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 Port Mellon, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	11.0 C (51.8 F)	-1.0 C (30.2 F)	n/a	n/a
Feb	12.0 C (53.6 F)	-1.5 C (29.3 F)	n/a	n/a
Mar	17.0 C (62.6 F)	0.5 C (32.9 F)	n/a	n/a
Apr	20.0 C (68.0 F)	0.0 C (32.0 F)	n/a	n/a
May	32.5 C (90.5 F)	4.5 C (40.1 F)	n/a	n/a
Jun	25.0 C (77.0 F)	7.0 C (44.6 F)	n/a	n/a
Jul	26.5 C (79.7 F)	9.0 C (48.2 F)	n/a	n/a
Aug	26.5 C (79.7 F)	11.0 C (51.8 F)	n/a	n/a
Sep	23.5 C (74.3 F)	5.0 C (41.0 F)	n/a	n/a
Oct	19.0 C (66.2 F)	2.0 C (35.6 F)	n/a	n/a
Nov	15.0 C (59.0 F)	-5.0 C (23.0 F)	n/a	n/a
Dec	12.0 C (53.6 F)	-10.5 C (13.1 F)	n/a	n/a

Which Years Hold Standing Records

1,460 standing records

1,460 records at Port Mellon still stand. 1983 holds the most, with 1,247.

Wettest Day of Each Month

Nov: 327.6 mm (12.9 in)

The wettest day on record for each calendar month at Port Mellon. The most was 327.6 mm (12.9 in) on 15 November 1983.

Record daily precipitation for each month at Port Mellon
Month	Record daily precipitation (mm)	Date
Jan	167.6 mm (6.6 in)	18 January 1968
Feb	133.2 mm (5.2 in)	24 February 1979
Mar	153.2 mm (6.0 in)	9 March 1974
Apr	104.9 mm (4.1 in)	8 April 1970
May	106.7 mm (4.2 in)	24 May 1974
Jun	106.7 mm (4.2 in)	16 June 1952
Jul	156.0 mm (6.1 in)	11 July 1972
Aug	86.0 mm (3.4 in)	28 August 1983
Sep	121.9 mm (4.8 in)	8 September 1974
Oct	224.3 mm (8.8 in)	16 October 1975
Nov	327.6 mm (12.9 in)	15 November 1983
Dec	159.8 mm (6.3 in)	25 December 1972

Period of Record Coverage

1982 to 1983

2 years of record at Port Mellon, 1982 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1982.

Latest Records

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

Extremes by Year

1942 to 1983

Yearly extremes at Port Mellon: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	32.5 C (90.5 F)	1983	26.8 C (80.2 F)	2
Coldest night (TNn)	-10.5 C (13.1 F)	1983	-7.7 C (18.1 F)	2
Wettest day (Rx1day)	327.6 mm (12.9 in)	1983	123.6 mm (4.9 in)	32
Wettest five days (Rx5day)	651.8 mm (25.7 in)	1983	283.4 mm (11.2 in)	32
Longest dry spell (CDD)	33 days	1972	22 days	32

Hottest day (TXx)

The hottest day of the year at Port Mellon, 1942 to 1983. The record is 32.5 C (90.5 F) in 1983, marked on the chart; the median year is 26.8 C (80.2 F).

Hottest day (TXx) at Port Mellon by year
Year	Hottest day (TXx)
1942	n/a
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	n/a
1949	n/a
1951	n/a
1952	n/a
1953	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	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	21.0 C (69.8 F)
1983	32.5 C (90.5 F)

Coldest night (TNn)

The coldest night of the year at Port Mellon, 1942 to 1983. The record is -10.5 C (13.1 F) in 1983, marked on the chart; the median year is -7.7 C (18.1 F).

Coldest night (TNn) at Port Mellon by year
Year	Coldest night (TNn)
1942	n/a
1943	n/a
1944	n/a
1945	n/a
1946	n/a
1947	n/a
1948	n/a
1949	n/a
1951	n/a
1952	n/a
1953	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	n/a
1974	n/a
1975	n/a
1976	n/a
1977	n/a
1978	n/a
1979	n/a
1980	n/a
1981	n/a
1982	-5.0 C (23.0 F)
1983	-10.5 C (13.1 F)

Wettest day (Rx1day)

The wettest day of the year at Port Mellon, 1942 to 1983. The record is 327.6 mm (12.9 in) in 1983, marked on the chart; the median year is 123.6 mm (4.9 in).

Wettest day (Rx1day) at Port Mellon by year
Year	Wettest day (Rx1day)
1942	67.6 mm (2.7 in)
1943	102.1 mm (4.0 in)
1944	136.4 mm (5.4 in)
1945	140.7 mm (5.5 in)
1946	124.0 mm (4.9 in)
1947	127.0 mm (5.0 in)
1948	102.1 mm (4.0 in)
1949	63.5 mm (2.5 in)
1951	71.9 mm (2.8 in)
1952	106.7 mm (4.2 in)
1953	84.3 mm (3.3 in)
1963	204.7 mm (8.1 in)
1964	139.2 mm (5.5 in)
1965	102.6 mm (4.0 in)
1966	115.3 mm (4.5 in)
1967	148.1 mm (5.8 in)
1968	167.6 mm (6.6 in)
1969	85.9 mm (3.4 in)
1970	104.9 mm (4.1 in)
1971	79.8 mm (3.1 in)
1972	159.8 mm (6.3 in)
1973	163.8 mm (6.4 in)
1974	153.2 mm (6.0 in)
1975	224.3 mm (8.8 in)
1976	83.8 mm (3.3 in)
1977	125.2 mm (4.9 in)
1978	82.0 mm (3.2 in)
1979	133.2 mm (5.2 in)
1980	130.8 mm (5.1 in)
1981	123.2 mm (4.9 in)
1982	91.0 mm (3.6 in)
1983	327.6 mm (12.9 in)

Wettest five days (Rx5day)

The wettest five days of the year at Port Mellon, 1942 to 1983. The record is 651.8 mm (25.7 in) in 1983, marked on the chart; the median year is 283.4 mm (11.2 in).

Wettest five days (Rx5day) at Port Mellon by year
Year	Wettest five days (Rx5day)
1942	156.8 mm (6.2 in)
1943	201.5 mm (7.9 in)
1944	373.1 mm (14.7 in)
1945	311.2 mm (12.3 in)
1946	246.9 mm (9.7 in)
1947	357.2 mm (14.1 in)
1948	281.2 mm (11.1 in)
1949	118.6 mm (4.7 in)
1951	263.2 mm (10.4 in)
1952	157.1 mm (6.2 in)
1953	170.3 mm (6.7 in)
1963	455.9 mm (17.9 in)
1964	218.5 mm (8.6 in)
1965	245.5 mm (9.7 in)
1966	274.2 mm (10.8 in)
1967	302.3 mm (11.9 in)
1968	343.9 mm (13.5 in)
1969	205.0 mm (8.1 in)
1970	255.8 mm (10.1 in)
1971	193.3 mm (7.6 in)
1972	345.0 mm (13.6 in)
1973	366.1 mm (14.4 in)
1974	292.1 mm (11.5 in)
1975	424.7 mm (16.7 in)
1976	173.8 mm (6.8 in)
1977	317.3 mm (12.5 in)
1978	166.0 mm (6.5 in)
1979	299.5 mm (11.8 in)
1980	325.3 mm (12.8 in)
1981	285.5 mm (11.2 in)
1982	325.0 mm (12.8 in)
1983	651.8 mm (25.7 in)

Longest dry spell (CDD)

The longest dry spell of the year at Port Mellon, 1942 to 1983. The record is 33 days in 1972, marked on the chart; the median year is 22 days.

Longest dry spell (CDD) at Port Mellon by year
Year	Longest dry spell (CDD)
1942	3 days
1943	26 days
1944	31 days
1945	23 days
1946	30 days
1947	22 days
1948	17 days
1949	19 days
1951	5 days
1952	30 days
1953	11 days
1963	28 days
1964	10 days
1965	21 days
1966	17 days
1967	22 days
1968	22 days
1969	24 days
1970	27 days
1971	21 days
1972	33 days
1973	20 days
1974	20 days
1975	28 days
1976	16 days
1977	23 days
1978	26 days
1979	32 days
1980	15 days
1981	20 days
1982	19 days
1983	25 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 Port Mellon standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Port Mellon 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 2026-10-13 (13 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).

Year	Days with data	Share of year	Complete
1982	102	28%	No
1983	365	100%	Yes