Cassiar Weather Records (CA001191440)

Record envelope, standing records and threshold days for Cassiar (CA001191440), British Columbia, Canada, with 43 years of record.

Key Facts for Cassiar

Cassiar (CA001191440) is a weather station in British Columbia, Canada at 59.28 latitude and -129.83 longitude, 1,078 m (3,537 ft) above sea level.
The station reports from 1954 to 1996, 43 years of record.
1,464 records set at Cassiar still stand.
Records are tracked for tmax, tmin, prcp, snow: an element needs 30 years of data to be eligible.

About the Station

Location: British Columbia, Canada, 59.28 latitude, -129.83 longitude.
Elevation: 1,078 m (3,537 ft).
Period of record: 1954 to 1996, 43 years.
Eligible elements: tmax, tmin, 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 Cassiar. 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 Cassiar, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	7.0 C (44.6 F)	-45.0 C (-49.0 F)	n/a	n/a
Feb	9.4 C (48.9 F)	-47.2 C (-53.0 F)	n/a	n/a
Mar	9.0 C (48.2 F)	-44.4 C (-47.9 F)	n/a	n/a
Apr	16.1 C (61.0 F)	-30.6 C (-23.1 F)	n/a	n/a
May	29.5 C (85.1 F)	-16.7 C (1.9 F)	n/a	n/a
Jun	29.4 C (84.9 F)	-6.7 C (19.9 F)	n/a	n/a
Jul	29.4 C (84.9 F)	-2.8 C (27.0 F)	n/a	n/a
Aug	29.4 C (84.9 F)	-4.4 C (24.1 F)	n/a	n/a
Sep	26.1 C (79.0 F)	-12.8 C (9.0 F)	n/a	n/a
Oct	15.6 C (60.1 F)	-25.6 C (-14.1 F)	n/a	n/a
Nov	9.4 C (48.9 F)	-40.0 C (-40.0 F)	n/a	n/a
Dec	6.1 C (43.0 F)	-44.4 C (-47.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Cassiar still stand. 1956 holds the most, with 97.

Standing records at Cassiar by the year they were set
Year set	Standing records
1954	58
1955	93
1956	97
1957	46
1958	49
1959	41
1960	32
1961	44
1962	43
1963	59
1964	43
1965	55
1966	30
1967	40
1968	41
1969	57
1970	28
1971	44
1972	31
1973	36
1974	49
1975	35
1976	46
1977	57
1978	31
1979	66
1980	61
1981	58
1982	52
1983	42

Wettest Day of Each Month

Aug: 84.7 mm (3.3 in)

The wettest day on record for each calendar month at Cassiar. The most was 84.7 mm (3.3 in) on 27 August 1981.

Record daily precipitation for each month at Cassiar
Month	Record daily precipitation (mm)	Date
Jan	31.0 mm (1.2 in)	29 January 1962
Feb	53.3 mm (2.1 in)	8 February 1976
Mar	30.0 mm (1.2 in)	6 March 1962
Apr	21.6 mm (0.9 in)	11 April 1965
May	30.2 mm (1.2 in)	1 May 1966
Jun	36.8 mm (1.4 in)	30 June 1962
Jul	47.8 mm (1.9 in)	16 July 1974
Aug	84.7 mm (3.3 in)	27 August 1981
Sep	41.9 mm (1.6 in)	29 September 1972
Oct	45.0 mm (1.8 in)	10 October 1960
Nov	30.0 mm (1.2 in)	21 November 1978
Dec	33.0 mm (1.3 in)	5 December 1960

Period of Record Coverage

1954 to 1983

30 years of record at Cassiar, 1954 to 1983. 19 years have data for under 90 percent of days and are left out of rankings: 1954, 1957, 1958, 1959, 1960, 1961, 1962, 1963 and others.

Days with data per year at Cassiar
Year	Days with data	Share of year	Complete
1954	296	81%	No
1955	343	94%	Yes
1956	344	94%	Yes
1957	302	83%	No
1958	302	83%	No
1959	295	81%	No
1960	320	87%	No
1961	299	82%	No
1962	320	88%	No
1963	255	70%	No
1964	246	67%	No
1965	269	74%	No
1966	228	62%	No
1967	282	77%	No
1968	296	81%	No
1969	299	82%	No
1970	266	73%	No
1971	296	81%	No
1972	223	61%	No
1973	274	75%	No
1974	290	79%	No
1975	331	91%	Yes
1976	365	100%	Yes
1977	359	98%	Yes
1978	365	100%	Yes
1979	363	99%	Yes
1980	354	97%	Yes
1981	357	98%	Yes
1982	337	92%	Yes
1983	349	96%	Yes

Latest Records

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

Climate Trend

12 complete years, 1955 to 1981

One stripe for each of 12 complete years at Cassiar, 1955 to 1981. Blue stripes are years cooler than the station's own mean of -3.0 C (26.7 F); red stripes are warmer. The coolest year was 1955, at -5.3 C (22.5 F), and the warmest was 1977, at -1.4 C (29.4 F). The strongest colour marks a difference of 2.4 C (4.3 F).

Annual mean temperature at Cassiar as warming stripes, 1955 to 1981
Year	Annual mean temperature	Difference from the station mean
1955	-5.3 C	-2.31 C
1956	-4.2 C	-1.25 C
1958	-2.6 C	+0.36 C
1960	-2.3 C	+0.63 C
1961	-3.3 C	-0.34 C
1968	-3.9 C	-0.97 C
1969	-3.9 C	-0.98 C
1976	-1.5 C	+1.49 C
1977	-1.4 C	+1.53 C
1978	-2.0 C	+0.97 C
1979	-3.6 C	-0.60 C
1981	-1.5 C	+1.50 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 Cassiar: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	29.5 C (85.1 F)	1983	26.1 C (78.9 F)	30
Coldest night (TNn)	-47.2 C (-53.0 F)	1968	-41.7 C (-43.1 F)	30
Wettest day (Rx1day)	84.7 mm (3.3 in)	1981	28.2 mm (1.1 in)	30
Wettest five days (Rx5day)	90.3 mm (3.6 in)	1981	49.4 mm (1.9 in)	30
Longest dry spell (CDD)	31 days	1979	18 days	30

Hottest day (TXx)

The hottest day of the year at Cassiar, 1954 to 1983. The record is 29.5 C (85.1 F) in 1983, marked on the chart; the median year is 26.1 C (78.9 F).

Hottest day (TXx) at Cassiar by year
Year	Hottest day (TXx)
1954	24.4 C (75.9 F)
1955	26.7 C (80.1 F)
1956	25.0 C (77.0 F)
1957	26.1 C (79.0 F)
1958	27.2 C (81.0 F)
1959	25.0 C (77.0 F)
1960	26.7 C (80.1 F)
1961	25.6 C (78.1 F)
1962	28.3 C (82.9 F)
1963	25.6 C (78.1 F)
1964	23.3 C (73.9 F)
1965	26.1 C (79.0 F)
1966	20.6 C (69.1 F)
1967	24.4 C (75.9 F)
1968	25.6 C (78.1 F)
1969	29.4 C (84.9 F)
1970	23.3 C (73.9 F)
1971	29.4 C (84.9 F)
1972	23.9 C (75.0 F)
1973	22.8 C (73.0 F)
1974	26.7 C (80.1 F)
1975	25.6 C (78.1 F)
1976	26.1 C (79.0 F)
1977	28.9 C (84.0 F)
1978	27.0 C (80.6 F)
1979	24.5 C (76.1 F)
1980	26.0 C (78.8 F)
1981	27.0 C (80.6 F)
1982	27.0 C (80.6 F)
1983	29.5 C (85.1 F)

Coldest night (TNn)

The coldest night of the year at Cassiar, 1954 to 1983. The record is -47.2 C (-53.0 F) in 1968, marked on the chart; the median year is -41.7 C (-43.1 F).

Coldest night (TNn) at Cassiar by year
Year	Coldest night (TNn)
1954	-42.8 C (-45.0 F)
1955	-44.4 C (-47.9 F)
1956	-45.0 C (-49.0 F)
1957	-40.6 C (-41.1 F)
1958	-33.9 C (-29.0 F)
1959	-40.0 C (-40.0 F)
1960	-36.7 C (-34.1 F)
1961	-40.0 C (-40.0 F)
1962	-41.7 C (-43.1 F)
1963	-42.2 C (-44.0 F)
1964	-44.4 C (-47.9 F)
1965	-41.7 C (-43.1 F)
1966	-37.2 C (-35.0 F)
1967	-41.1 C (-42.0 F)
1968	-47.2 C (-53.0 F)
1969	-42.8 C (-45.0 F)
1970	-44.4 C (-47.9 F)
1971	-45.0 C (-49.0 F)
1972	-42.8 C (-45.0 F)
1973	-34.4 C (-29.9 F)
1974	-43.3 C (-45.9 F)
1975	-45.0 C (-49.0 F)
1976	-41.1 C (-42.0 F)
1977	-42.2 C (-44.0 F)
1978	-40.0 C (-40.0 F)
1979	-42.5 C (-44.5 F)
1980	-40.0 C (-40.0 F)
1981	-40.0 C (-40.0 F)
1982	-41.0 C (-41.8 F)
1983	-38.0 C (-36.4 F)

Wettest day (Rx1day)

The wettest day of the year at Cassiar, 1954 to 1983. The record is 84.7 mm (3.3 in) in 1981, marked on the chart; the median year is 28.2 mm (1.1 in).

Wettest day (Rx1day) at Cassiar by year
Year	Wettest day (Rx1day)
1954	43.4 mm (1.7 in)
1955	25.9 mm (1.0 in)
1956	28.4 mm (1.1 in)
1957	25.4 mm (1.0 in)
1958	26.7 mm (1.1 in)
1959	30.5 mm (1.2 in)
1960	45.0 mm (1.8 in)
1961	29.2 mm (1.1 in)
1962	36.8 mm (1.4 in)
1963	18.5 mm (0.7 in)
1964	21.6 mm (0.9 in)
1965	27.9 mm (1.1 in)
1966	30.2 mm (1.2 in)
1967	25.4 mm (1.0 in)
1968	28.4 mm (1.1 in)
1969	23.4 mm (0.9 in)
1970	24.4 mm (1.0 in)
1971	24.6 mm (1.0 in)
1972	41.9 mm (1.6 in)
1973	21.6 mm (0.9 in)
1974	47.8 mm (1.9 in)
1975	33.0 mm (1.3 in)
1976	53.3 mm (2.1 in)
1977	26.9 mm (1.1 in)
1978	30.0 mm (1.2 in)
1979	25.0 mm (1.0 in)
1980	21.2 mm (0.8 in)
1981	84.7 mm (3.3 in)
1982	18.0 mm (0.7 in)
1983	30.0 mm (1.2 in)

Wettest five days (Rx5day)

The wettest five days of the year at Cassiar, 1954 to 1983. The record is 90.3 mm (3.6 in) in 1981, marked on the chart; the median year is 49.4 mm (1.9 in).

Wettest five days (Rx5day) at Cassiar by year
Year	Wettest five days (Rx5day)
1954	87.6 mm (3.4 in)
1955	37.9 mm (1.5 in)
1956	63.1 mm (2.5 in)
1957	50.8 mm (2.0 in)
1958	58.5 mm (2.3 in)
1959	54.1 mm (2.1 in)
1960	63.4 mm (2.5 in)
1961	49.7 mm (2.0 in)
1962	60.7 mm (2.4 in)
1963	39.1 mm (1.5 in)
1964	40.4 mm (1.6 in)
1965	64.0 mm (2.5 in)
1966	46.2 mm (1.8 in)
1967	30.2 mm (1.2 in)
1968	42.4 mm (1.7 in)
1969	55.4 mm (2.2 in)
1970	42.2 mm (1.7 in)
1971	43.7 mm (1.7 in)
1972	75.9 mm (3.0 in)
1973	42.1 mm (1.7 in)
1974	69.6 mm (2.7 in)
1975	49.1 mm (1.9 in)
1976	70.0 mm (2.8 in)
1977	44.9 mm (1.8 in)
1978	41.8 mm (1.6 in)
1979	46.2 mm (1.8 in)
1980	46.4 mm (1.8 in)
1981	90.3 mm (3.6 in)
1982	43.0 mm (1.7 in)
1983	60.7 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Cassiar, 1954 to 1983. The record is 31 days in 1979, marked on the chart; the median year is 18 days.

Longest dry spell (CDD) at Cassiar by year
Year	Longest dry spell (CDD)
1954	30 days
1955	17 days
1956	14 days
1957	22 days
1958	29 days
1959	20 days
1960	16 days
1961	18 days
1962	12 days
1963	16 days
1964	10 days
1965	27 days
1966	18 days
1967	17 days
1968	21 days
1969	18 days
1970	13 days
1971	21 days
1972	15 days
1973	15 days
1974	21 days
1975	21 days
1976	17 days
1977	24 days
1978	13 days
1979	31 days
1980	16 days
1981	19 days
1982	19 days
1983	15 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 Cassiar standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Cassiar 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).