Chatham Point Weather Records (CA001021480)

Record envelope, standing records and threshold days for Chatham Point (CA001021480), British Columbia, Canada, with 67 years of record.

Key Facts for Chatham Point

Chatham Point (CA001021480) is a weather station in British Columbia, Canada at 50.33 latitude and -125.45 longitude, 23 m (75 ft) above sea level.
The station reports from 1958 to 2024, 67 years of record.
1,464 records set at Chatham Point 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, 50.33 latitude, -125.45 longitude.
Elevation: 23 m (75 ft).
Period of record: 1958 to 2024, 67 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 Chatham Point. 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 Chatham Point, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	13.3 C (55.9 F)	-10.6 C (12.9 F)	n/a	n/a
Feb	12.2 C (54.0 F)	-5.0 C (23.0 F)	n/a	n/a
Mar	16.7 C (62.1 F)	-6.1 C (21.0 F)	n/a	n/a
Apr	21.8 C (71.2 F)	-0.6 C (30.9 F)	n/a	n/a
May	31.2 C (88.2 F)	0.0 C (32.0 F)	n/a	n/a
Jun	30.0 C (86.0 F)	4.4 C (39.9 F)	n/a	n/a
Jul	33.3 C (91.9 F)	6.7 C (44.1 F)	n/a	n/a
Aug	31.1 C (88.0 F)	7.2 C (45.0 F)	n/a	n/a
Sep	25.6 C (78.1 F)	1.7 C (35.1 F)	n/a	n/a
Oct	18.3 C (64.9 F)	-1.1 C (30.0 F)	n/a	n/a
Nov	15.6 C (60.1 F)	-6.1 C (21.0 F)	n/a	n/a
Dec	12.8 C (55.0 F)	-15.0 C (5.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Chatham Point still stand. 1972 holds the most, with 85.

Standing records at Chatham Point by the year they were set
Year set	Standing records
1958	42
1959	61
1960	53
1961	67
1962	71
1963	65
1964	51
1965	45
1966	53
1967	45
1968	62
1969	69
1970	54
1971	67
1972	85
1973	63
1974	47
1975	62
1976	49
1977	52
1978	35
1979	48
1980	64
1981	49
1982	52
1983	53

Wettest Day of Each Month

Aug: 113.8 mm (4.5 in)

The wettest day on record for each calendar month at Chatham Point. The most was 113.8 mm (4.5 in) on 11 August 1978.

Record daily precipitation for each month at Chatham Point
Month	Record daily precipitation (mm)	Date
Jan	84.3 mm (3.3 in)	13 January 1968
Feb	96.0 mm (3.8 in)	24 February 1979
Mar	78.5 mm (3.1 in)	26 March 1974
Apr	52.5 mm (2.1 in)	12 April 1979
May	52.3 mm (2.1 in)	25 May 1976
Jun	47.5 mm (1.9 in)	24 June 1971
Jul	78.2 mm (3.1 in)	11 July 1972
Aug	113.8 mm (4.5 in)	11 August 1978
Sep	70.9 mm (2.8 in)	20 September 1972
Oct	90.7 mm (3.6 in)	20 October 1963
Nov	69.1 mm (2.7 in)	12 November 1975
Dec	75.7 mm (3.0 in)	22 December 1963

Period of Record Coverage

1958 to 1983

26 years of record at Chatham Point, 1958 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1958.

Days with data per year at Chatham Point
Year	Days with data	Share of year	Complete
1958	184	50%	No
1959	365	100%	Yes
1960	364	99%	Yes
1961	364	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	364	100%	Yes

Latest Records

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

Climate Trend

25 complete years, 1959 to 1983

One stripe for each of 25 complete years at Chatham Point, 1959 to 1983. Blue stripes are years cooler than the station's own mean of 9.0 C (48.1 F); red stripes are warmer. The coolest year was 1975, at 8.1 C (46.6 F), and the warmest was 1963, at 9.7 C (49.5 F). The strongest colour marks a difference of 0.9 C (1.6 F).

Annual mean temperature at Chatham Point as warming stripes, 1959 to 1983
Year	Annual mean temperature	Difference from the station mean
1959	9.2 C	+0.27 C
1960	9.1 C	+0.12 C
1961	9.6 C	+0.61 C
1962	9.3 C	+0.32 C
1963	9.7 C	+0.79 C
1964	8.5 C	-0.41 C
1965	9.1 C	+0.19 C
1966	9.2 C	+0.26 C
1967	9.7 C	+0.73 C
1968	9.0 C	+0.02 C
1969	8.9 C	-0.03 C
1970	8.7 C	-0.21 C
1971	8.2 C	-0.75 C
1972	8.2 C	-0.80 C
1973	8.5 C	-0.41 C
1974	8.9 C	-0.06 C
1975	8.1 C	-0.83 C
1976	8.6 C	-0.39 C
1977	8.7 C	-0.28 C
1978	8.9 C	-0.09 C
1979	9.0 C	+0.07 C
1980	9.0 C	+0.09 C
1981	9.5 C	+0.54 C
1982	8.7 C	-0.22 C
1983	9.5 C	+0.58 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

1958 to 1983

Yearly extremes at Chatham Point: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	33.3 C (91.9 F)	1961	28.8 C (83.8 F)	26
Coldest night (TNn)	-15.0 C (5.0 F)	1968	-6.1 C (21.0 F)	26
Wettest day (Rx1day)	113.8 mm (4.5 in)	1978	70.3 mm (2.8 in)	26
Wettest five days (Rx5day)	247.6 mm (9.7 in)	1982	154.9 mm (6.1 in)	26
Longest dry spell (CDD)	34 days	1979	22 days	26

Hottest day (TXx)

The hottest day of the year at Chatham Point, 1958 to 1983. The record is 33.3 C (91.9 F) in 1961, marked on the chart; the median year is 28.8 C (83.8 F).

Hottest day (TXx) at Chatham Point by year
Year	Hottest day (TXx)
1958	29.4 C (84.9 F)
1959	26.7 C (80.1 F)
1960	31.1 C (88.0 F)
1961	33.3 C (91.9 F)
1962	25.6 C (78.1 F)
1963	28.3 C (82.9 F)
1964	24.4 C (75.9 F)
1965	31.1 C (88.0 F)
1966	26.1 C (79.0 F)
1967	30.0 C (86.0 F)
1968	28.9 C (84.0 F)
1969	28.9 C (84.0 F)
1970	27.2 C (81.0 F)
1971	31.7 C (89.1 F)
1972	29.4 C (84.9 F)
1973	26.1 C (79.0 F)
1974	27.2 C (81.0 F)
1975	28.9 C (84.0 F)
1976	23.9 C (75.0 F)
1977	28.6 C (83.5 F)
1978	29.3 C (84.7 F)
1979	27.4 C (81.3 F)
1980	27.7 C (81.9 F)
1981	26.4 C (79.5 F)
1982	31.5 C (88.7 F)
1983	31.2 C (88.2 F)

Coldest night (TNn)

The coldest night of the year at Chatham Point, 1958 to 1983. The record is -15.0 C (5.0 F) in 1968, marked on the chart; the median year is -6.1 C (21.0 F).

Coldest night (TNn) at Chatham Point by year
Year	Coldest night (TNn)
1958	-2.8 C (27.0 F)
1959	-6.7 C (19.9 F)
1960	-4.4 C (24.1 F)
1961	-2.2 C (28.0 F)
1962	-6.1 C (21.0 F)
1963	-4.4 C (24.1 F)
1964	-11.1 C (12.0 F)
1965	-5.0 C (23.0 F)
1966	-7.2 C (19.0 F)
1967	-5.6 C (21.9 F)
1968	-15.0 C (5.0 F)
1969	-10.6 C (12.9 F)
1970	-6.1 C (21.0 F)
1971	-9.4 C (15.1 F)
1972	-10.0 C (14.0 F)
1973	-6.1 C (21.0 F)
1974	-4.4 C (24.1 F)
1975	-4.4 C (24.1 F)
1976	-6.1 C (21.0 F)
1977	-5.8 C (21.6 F)
1978	-8.7 C (16.3 F)
1979	-5.5 C (22.1 F)
1980	-8.3 C (17.1 F)
1981	-2.9 C (26.8 F)
1982	-9.7 C (14.5 F)
1983	-8.9 C (16.0 F)

Wettest day (Rx1day)

The wettest day of the year at Chatham Point, 1958 to 1983. The record is 113.8 mm (4.5 in) in 1978, marked on the chart; the median year is 70.3 mm (2.8 in).

Wettest day (Rx1day) at Chatham Point by year
Year	Wettest day (Rx1day)
1958	89.9 mm (3.5 in)
1959	65.3 mm (2.6 in)
1960	77.2 mm (3.0 in)
1961	49.8 mm (2.0 in)
1962	65.3 mm (2.6 in)
1963	90.7 mm (3.6 in)
1964	61.0 mm (2.4 in)
1965	71.9 mm (2.8 in)
1966	68.3 mm (2.7 in)
1967	58.2 mm (2.3 in)
1968	84.3 mm (3.3 in)
1969	50.5 mm (2.0 in)
1970	50.0 mm (2.0 in)
1971	69.1 mm (2.7 in)
1972	78.2 mm (3.1 in)
1973	70.1 mm (2.8 in)
1974	78.5 mm (3.1 in)
1975	108.0 mm (4.3 in)
1976	70.4 mm (2.8 in)
1977	76.0 mm (3.0 in)
1978	113.8 mm (4.5 in)
1979	96.0 mm (3.8 in)
1980	67.4 mm (2.7 in)
1981	63.2 mm (2.5 in)
1982	62.4 mm (2.5 in)
1983	71.3 mm (2.8 in)

Wettest five days (Rx5day)

The wettest five days of the year at Chatham Point, 1958 to 1983. The record is 247.6 mm (9.7 in) in 1982, marked on the chart; the median year is 154.9 mm (6.1 in).

Wettest five days (Rx5day) at Chatham Point by year
Year	Wettest five days (Rx5day)
1958	173.7 mm (6.8 in)
1959	137.4 mm (5.4 in)
1960	130.8 mm (5.1 in)
1961	160.5 mm (6.3 in)
1962	153.2 mm (6.0 in)
1963	170.0 mm (6.7 in)
1964	137.2 mm (5.4 in)
1965	169.4 mm (6.7 in)
1966	186.6 mm (7.3 in)
1967	155.4 mm (6.1 in)
1968	200.3 mm (7.9 in)
1969	114.3 mm (4.5 in)
1970	100.5 mm (4.0 in)
1971	172.2 mm (6.8 in)
1972	144.8 mm (5.7 in)
1973	145.0 mm (5.7 in)
1974	149.9 mm (5.9 in)
1975	216.0 mm (8.5 in)
1976	112.8 mm (4.4 in)
1977	142.0 mm (5.6 in)
1978	155.4 mm (6.1 in)
1979	162.6 mm (6.4 in)
1980	141.6 mm (5.6 in)
1981	154.4 mm (6.1 in)
1982	247.6 mm (9.7 in)
1983	175.5 mm (6.9 in)

Longest dry spell (CDD)

The longest dry spell of the year at Chatham Point, 1958 to 1983. The record is 34 days in 1979, marked on the chart; the median year is 22 days.

Longest dry spell (CDD) at Chatham Point by year
Year	Longest dry spell (CDD)
1958	32 days
1959	28 days
1960	32 days
1961	23 days
1962	20 days
1963	15 days
1964	10 days
1965	20 days
1966	15 days
1967	22 days
1968	20 days
1969	20 days
1970	21 days
1971	20 days
1972	22 days
1973	21 days
1974	31 days
1975	13 days
1976	11 days
1977	22 days
1978	29 days
1979	34 days
1980	14 days
1981	25 days
1982	22 days
1983	24 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

24 years with a frost

Across 24 years with a frost, the median last spring frost at Chatham Point falls on 16 March and the median first autumn frost on 19 November, which leaves a median of 250 days between them.

Frost dates and growing season at Chatham Point
Measure	Median, all years	Earliest period	Recent period (1959 to 1983)	Recent against earliest	Fitted trend
Last spring frost	16 March	n/a	16 March	n/a	n/a
First autumn frost	19 November	n/a	19 November	n/a	n/a
Growing days	250 days	n/a	250 days	n/a	n/a

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 Chatham Point standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Chatham Point 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).