Shalalth Weather Records (CA001117215)

Record envelope, standing records and threshold days for Shalalth (CA001117215), British Columbia, Canada, with 42 years of record.

Key Facts for Shalalth

Shalalth (CA001117215) is a weather station in British Columbia, Canada at 50.73 latitude and -122.23 longitude, 244 m (801 ft) above sea level.
The station reports from 1963 to 2004, 42 years of record.
1,464 records set at Shalalth 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, 50.73 latitude, -122.23 longitude.
Elevation: 244 m (801 ft).
Period of record: 1963 to 2004, 42 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 Shalalth. 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 Shalalth, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	15.5 C (59.9 F)	-26.7 C (-16.1 F)	n/a	n/a
Feb	15.6 C (60.1 F)	-17.0 C (1.4 F)	n/a	n/a
Mar	20.6 C (69.1 F)	-15.0 C (5.0 F)	n/a	n/a
Apr	27.2 C (81.0 F)	-3.0 C (26.6 F)	n/a	n/a
May	34.5 C (94.1 F)	-1.7 C (28.9 F)	n/a	n/a
Jun	37.8 C (100.0 F)	3.9 C (39.0 F)	n/a	n/a
Jul	40.0 C (104.0 F)	6.1 C (43.0 F)	n/a	n/a
Aug	38.9 C (102.0 F)	3.9 C (39.0 F)	n/a	n/a
Sep	35.0 C (95.0 F)	-0.6 C (30.9 F)	n/a	n/a
Oct	28.5 C (83.3 F)	-3.9 C (25.0 F)	n/a	n/a
Nov	18.9 C (66.0 F)	-14.0 C (6.8 F)	n/a	n/a
Dec	17.2 C (63.0 F)	-26.1 C (-15.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Shalalth still stand. 1969 holds the most, with 107.

Standing records at Shalalth by the year they were set
Year set	Standing records
1963	45
1964	79
1965	90
1966	75
1967	73
1968	51
1969	107
1970	80
1971	83
1972	94
1973	81
1974	46
1975	69
1976	78
1977	64
1978	76
1979	78
1980	49
1981	35
1982	50
1983	61

Wettest Day of Each Month

Oct: 55.1 mm (2.2 in)

The wettest day on record for each calendar month at Shalalth. The most was 55.1 mm (2.2 in) on 21 October 1963.

Record daily precipitation for each month at Shalalth
Month	Record daily precipitation (mm)	Date
Jan	44.5 mm (1.8 in)	15 January 1974
Feb	26.8 mm (1.1 in)	17 February 1983
Mar	22.9 mm (0.9 in)	4 March 1972
Apr	26.2 mm (1.0 in)	5 April 1970
May	17.8 mm (0.7 in)	21 May 1966
Jun	27.9 mm (1.1 in)	11 June 1964
Jul	19.1 mm (0.8 in)	2 July 1966
Aug	22.9 mm (0.9 in)	11 August 1974
Sep	19.5 mm (0.8 in)	29 September 1980
Oct	55.1 mm (2.2 in)	21 October 1963
Nov	48.6 mm (1.9 in)	1 November 1977
Dec	37.8 mm (1.5 in)	22 December 1963

Period of Record Coverage

1963 to 1983

21 years of record at Shalalth, 1963 to 1983. 3 years have data for under 90 percent of days and are left out of rankings: 1963, 1980, 1981.

Days with data per year at Shalalth
Year	Days with data	Share of year	Complete
1963	182	50%	No
1964	360	98%	Yes
1965	365	100%	Yes
1966	352	96%	Yes
1967	351	96%	Yes
1968	334	91%	Yes
1969	362	99%	Yes
1970	353	97%	Yes
1971	351	96%	Yes
1972	363	99%	Yes
1973	363	99%	Yes
1974	356	98%	Yes
1975	363	99%	Yes
1976	358	98%	Yes
1977	363	99%	Yes
1978	355	97%	Yes
1979	360	99%	Yes
1980	304	83%	No
1981	320	88%	No
1982	350	96%	Yes
1983	364	100%	Yes

Latest Records

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

Climate Trend

16 complete years, 1964 to 1983

One stripe for each of 16 complete years at Shalalth, 1964 to 1983. Blue stripes are years cooler than the station's own mean of 9.5 C (49.1 F); red stripes are warmer. The coolest year was 1982, at 8.8 C (47.8 F), and the warmest was 1974, at 10.3 C (50.5 F). The strongest colour marks a difference of 0.8 C (1.4 F).

Annual mean temperature at Shalalth as warming stripes, 1964 to 1983
Year	Annual mean temperature	Difference from the station mean
1964	9.0 C	-0.51 C
1965	9.9 C	+0.41 C
1966	9.3 C	-0.22 C
1969	9.3 C	-0.22 C
1970	9.6 C	+0.08 C
1971	9.5 C	-0.02 C
1972	8.8 C	-0.66 C
1973	9.8 C	+0.28 C
1974	10.3 C	+0.77 C
1975	9.1 C	-0.37 C
1976	9.8 C	+0.31 C
1977	9.6 C	+0.05 C
1978	9.6 C	+0.10 C
1979	9.9 C	+0.41 C
1982	8.8 C	-0.70 C
1983	9.8 C	+0.34 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

1963 to 1983

Yearly extremes at Shalalth: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	40.0 C (104.0 F)	1971	37.2 C (99.0 F)	21
Coldest night (TNn)	-26.7 C (-16.1 F)	1969	-19.0 C (-2.2 F)	21
Wettest day (Rx1day)	55.1 mm (2.2 in)	1963	26.9 mm (1.1 in)	21
Wettest five days (Rx5day)	148.6 mm (5.9 in)	1974	50.3 mm (2.0 in)	21
Longest dry spell (CDD)	46 days	1965	24 days	21

Hottest day (TXx)

The hottest day of the year at Shalalth, 1963 to 1983. The record is 40.0 C (104.0 F) in 1971, marked on the chart; the median year is 37.2 C (99.0 F).

Hottest day (TXx) at Shalalth by year
Year	Hottest day (TXx)
1963	35.0 C (95.0 F)
1964	35.0 C (95.0 F)
1965	37.2 C (99.0 F)
1966	32.2 C (90.0 F)
1967	37.8 C (100.0 F)
1968	37.2 C (99.0 F)
1969	37.8 C (100.0 F)
1970	37.8 C (100.0 F)
1971	40.0 C (104.0 F)
1972	38.9 C (102.0 F)
1973	36.7 C (98.1 F)
1974	36.7 C (98.1 F)
1975	38.3 C (100.9 F)
1976	33.3 C (91.9 F)
1977	38.3 C (100.9 F)
1978	38.0 C (100.4 F)
1979	40.0 C (104.0 F)
1980	34.0 C (93.2 F)
1981	38.0 C (100.4 F)
1982	37.0 C (98.6 F)
1983	36.0 C (96.8 F)

Coldest night (TNn)

The coldest night of the year at Shalalth, 1963 to 1983. The record is -26.7 C (-16.1 F) in 1969, marked on the chart; the median year is -19.0 C (-2.2 F).

Coldest night (TNn) at Shalalth by year
Year	Coldest night (TNn)
1963	-8.9 C (16.0 F)
1964	-22.8 C (-9.0 F)
1965	-20.0 C (-4.0 F)
1966	-17.8 C (0.0 F)
1967	-10.0 C (14.0 F)
1968	-26.1 C (-15.0 F)
1969	-26.7 C (-16.1 F)
1970	-19.4 C (-2.9 F)
1971	-20.6 C (-5.1 F)
1972	-20.0 C (-4.0 F)
1973	-17.2 C (1.0 F)
1974	-16.1 C (3.0 F)
1975	-18.9 C (-2.0 F)
1976	-15.0 C (5.0 F)
1977	-21.0 C (-5.8 F)
1978	-20.0 C (-4.0 F)
1979	-20.0 C (-4.0 F)
1980	-18.0 C (-0.4 F)
1981	-11.0 C (12.2 F)
1982	-19.0 C (-2.2 F)
1983	-16.0 C (3.2 F)

Wettest day (Rx1day)

The wettest day of the year at Shalalth, 1963 to 1983. The record is 55.1 mm (2.2 in) in 1963, marked on the chart; the median year is 26.9 mm (1.1 in).

Wettest day (Rx1day) at Shalalth by year
Year	Wettest day (Rx1day)
1963	55.1 mm (2.2 in)
1964	27.9 mm (1.1 in)
1965	32.5 mm (1.3 in)
1966	20.6 mm (0.8 in)
1967	28.4 mm (1.1 in)
1968	51.1 mm (2.0 in)
1969	18.8 mm (0.7 in)
1970	26.9 mm (1.1 in)
1971	31.2 mm (1.2 in)
1972	25.1 mm (1.0 in)
1973	26.9 mm (1.1 in)
1974	44.5 mm (1.8 in)
1975	35.6 mm (1.4 in)
1976	19.1 mm (0.8 in)
1977	48.6 mm (1.9 in)
1978	27.0 mm (1.1 in)
1979	20.0 mm (0.8 in)
1980	25.0 mm (1.0 in)
1981	26.0 mm (1.0 in)
1982	14.6 mm (0.6 in)
1983	26.8 mm (1.1 in)

Wettest five days (Rx5day)

The wettest five days of the year at Shalalth, 1963 to 1983. The record is 148.6 mm (5.9 in) in 1974, marked on the chart; the median year is 50.3 mm (2.0 in).

Wettest five days (Rx5day) at Shalalth by year
Year	Wettest five days (Rx5day)
1963	79.3 mm (3.1 in)
1964	56.6 mm (2.2 in)
1965	69.4 mm (2.7 in)
1966	41.8 mm (1.6 in)
1967	52.5 mm (2.1 in)
1968	56.2 mm (2.2 in)
1969	39.2 mm (1.5 in)
1970	45.4 mm (1.8 in)
1971	77.4 mm (3.0 in)
1972	71.4 mm (2.8 in)
1973	49.0 mm (1.9 in)
1974	148.6 mm (5.9 in)
1975	74.2 mm (2.9 in)
1976	28.2 mm (1.1 in)
1977	62.1 mm (2.4 in)
1978	34.5 mm (1.4 in)
1979	24.3 mm (1.0 in)
1980	46.9 mm (1.8 in)
1981	31.3 mm (1.2 in)
1982	32.0 mm (1.3 in)
1983	50.3 mm (2.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Shalalth, 1963 to 1983. The record is 46 days in 1965, marked on the chart; the median year is 24 days.

Longest dry spell (CDD) at Shalalth by year
Year	Longest dry spell (CDD)
1963	20 days
1964	18 days
1965	46 days
1966	23 days
1967	25 days
1968	24 days
1969	33 days
1970	28 days
1971	37 days
1972	23 days
1973	32 days
1974	30 days
1975	37 days
1976	33 days
1977	24 days
1978	16 days
1979	23 days
1980	19 days
1981	30 days
1982	24 days
1983	22 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 Shalalth standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Shalalth 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).