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Sumas Canal Weather Records (CA001107785)

Record envelope, standing records and threshold days for Sumas Canal (CA001107785), British Columbia, Canada, with 68 years of record.

Key Facts for Sumas Canal

  • Sumas Canal (CA001107785) is a weather station in British Columbia, Canada at 49.12 latitude and -122.12 longitude, 9 m (30 ft) above sea level.
  • The station reports from 1957 to 2024, 68 years of record.
  • 1,464 records set at Sumas Canal 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, 49.12 latitude, -122.12 longitude.
  • Elevation: 9 m (30 ft).
  • Period of record: 1957 to 2024, 68 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Sumas Canal, with 2026 drawn through them The band shows the record high and record low for each calendar day at Sumas Canal. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Sumas Canal. 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 Sumas Canal, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan15.6 C (60.1 F)-12.8 C (9.0 F)n/an/a
Feb19.4 C (66.9 F)-5.0 C (23.0 F)n/an/a
Mar21.7 C (71.1 F)-6.7 C (19.9 F)n/an/a
Apr24.4 C (75.9 F)-0.6 C (30.9 F)n/an/a
May32.2 C (90.0 F)0.0 C (32.0 F)n/an/a
Jun33.3 C (91.9 F)4.4 C (39.9 F)n/an/a
Jul37.2 C (99.0 F)7.2 C (45.0 F)n/an/a
Aug36.1 C (97.0 F)3.3 C (37.9 F)n/an/a
Sep31.7 C (89.1 F)4.4 C (39.9 F)n/an/a
Oct25.0 C (77.0 F)-0.6 C (30.9 F)n/an/a
Nov18.3 C (64.9 F)-8.9 C (16.0 F)n/an/a
Dec16.7 C (62.1 F)-25.0 C (-13.0 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Sumas Canal by the year they were set 1,464 records at Sumas Canal still stand. 1961 holds the most, with 172. 0501001502001958: 311959: 1531960: 1391961: 1721962: 1681963: 1481964: 1161965: 1501966: 1161967: 1121968: 1281969: 31195819601962196419661968
1,464 records at Sumas Canal still stand. 1961 holds the most, with 172.
Standing records at Sumas Canal by the year they were set
Year setStanding records
195831
1959153
1960139
1961172
1962168
1963148
1964116
1965150
1966116
1967112
1968128
196931

Wettest Day of Each Month

Jan: 109.0 mm (4.3 in)
Record daily precipitation for each month at Sumas Canal The wettest day on record for each calendar month at Sumas Canal. The most was 109.0 mm (4.3 in) on 18 January 1968. 050100150 Jan: 109.0 mm (4.3 in), 18 January 1968 Jan Feb: 76.4 mm (3.0 in), 13 February 1982 Feb Mar: 99.6 mm (3.9 in), 31 March 1959 Mar Apr: 83.8 mm (3.3 in), 29 April 1959 Apr May: 48.5 mm (1.9 in), 19 May 1960 May Jun: 74.9 mm (2.9 in), 1 June 1968 Jun Jul: 68.6 mm (2.7 in), 11 July 1983 Jul Aug: 40.6 mm (1.6 in), 22 August 1975 Aug Sep: 60.2 mm (2.4 in), 16 September 1958 Sep Oct: 74.7 mm (2.9 in), 9 October 1958 Oct Nov: 70.6 mm (2.8 in), 3 November 1971 Nov Dec: 98.3 mm (3.9 in), 14 December 1959 Dec
The wettest day on record for each calendar month at Sumas Canal. The most was 109.0 mm (4.3 in) on 18 January 1968.
Record daily precipitation for each month at Sumas Canal
MonthRecord daily precipitation (mm)Date
Jan109.0 mm (4.3 in)18 January 1968
Feb76.4 mm (3.0 in)13 February 1982
Mar99.6 mm (3.9 in)31 March 1959
Apr83.8 mm (3.3 in)29 April 1959
May48.5 mm (1.9 in)19 May 1960
Jun74.9 mm (2.9 in)1 June 1968
Jul68.6 mm (2.7 in)11 July 1983
Aug40.6 mm (1.6 in)22 August 1975
Sep60.2 mm (2.4 in)16 September 1958
Oct74.7 mm (2.9 in)9 October 1958
Nov70.6 mm (2.8 in)3 November 1971
Dec98.3 mm (3.9 in)14 December 1959

Period of Record Coverage

1958 to 1969
Days with data per year at Sumas Canal 12 years of record at Sumas Canal, 1958 to 1969. 2 years have data for under 90 percent of days and are left out of rankings: 1958, 1969. 1958: 61 of 365 days1959: 359 of 365 days1960: 366 of 366 days1961: 365 of 365 days1962: 347 of 365 days1963: 365 of 365 days1964: 361 of 366 days1965: 365 of 365 days1966: 364 of 365 days1967: 361 of 365 days1968: 356 of 366 days1969: 92 of 365 days19601965
12 years of record at Sumas Canal, 1958 to 1969. 2 years have data for under 90 percent of days and are left out of rankings: 1958, 1969.
Days with data per year at Sumas Canal
YearDays with dataShare of yearComplete
19586117%No
195935998%Yes
1960366100%Yes
1961365100%Yes
196234795%Yes
1963365100%Yes
196436199%Yes
1965365100%Yes
1966364100%Yes
196736199%Yes
196835697%Yes
19699225%No

Latest Records

0

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

Extremes by Year

1957 to 1983
Yearly extremes at Sumas Canal: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)37.2 C (99.0 F)196132.8 C (91.0 F)12
Coldest night (TNn)-25.0 C (-13.0 F)1968-11.1 C (11.9 F)12
Wettest day (Rx1day)109.0 mm (4.3 in)196863.2 mm (2.5 in)27
Wettest five days (Rx5day)245.6 mm (9.7 in)1972142.8 mm (5.6 in)27
Longest dry spell (CDD)51 days196020 days27

Hottest day (TXx)

Hottest day (TXx) at Sumas Canal by year The hottest day of the year at Sumas Canal, 1957 to 1983. The record is 37.2 C (99.0 F) in 1961, marked on the chart; the median year is 32.8 C (91.0 F). 1020304019601965197019751980Record: 37.2 C (99.0 F) in 1961
The hottest day of the year at Sumas Canal, 1957 to 1983. The record is 37.2 C (99.0 F) in 1961, marked on the chart; the median year is 32.8 C (91.0 F).
Hottest day (TXx) at Sumas Canal by year
YearHottest day (TXx)
1957n/a
195816.1 C (61.0 F)
195933.9 C (93.0 F)
196036.1 C (97.0 F)
196137.2 C (99.0 F)
196228.3 C (82.9 F)
196332.2 C (90.0 F)
196430.0 C (86.0 F)
196536.1 C (97.0 F)
196633.3 C (91.9 F)
196733.9 C (93.0 F)
196831.1 C (88.0 F)
196932.2 C (90.0 F)
1970n/a
1971n/a
1972n/a
1973n/a
1974n/a
1975n/a
1976n/a
1977n/a
1978n/a
1979n/a
1980n/a
1981n/a
1982n/a
1983n/a

Coldest night (TNn)

Coldest night (TNn) at Sumas Canal by year The coldest night of the year at Sumas Canal, 1957 to 1983. The record is -25.0 C (-13.0 F) in 1968, marked on the chart; the median year is -11.1 C (11.9 F). -30-20-10019601965197019751980Record: -25.0 C (-13.0 F) in 1968
The coldest night of the year at Sumas Canal, 1957 to 1983. The record is -25.0 C (-13.0 F) in 1968, marked on the chart; the median year is -11.1 C (11.9 F).
Coldest night (TNn) at Sumas Canal by year
YearColdest night (TNn)
1957n/a
1958-6.7 C (19.9 F)
1959-12.8 C (9.0 F)
1960-3.9 C (25.0 F)
1961-6.1 C (21.0 F)
1962-10.6 C (12.9 F)
1963-11.7 C (10.9 F)
1964-15.0 C (5.0 F)
1965-10.0 C (14.0 F)
1966-11.7 C (10.9 F)
1967-11.7 C (10.9 F)
1968-25.0 C (-13.0 F)
19690.0 C (32.0 F)
1970n/a
1971n/a
1972n/a
1973n/a
1974n/a
1975n/a
1976n/a
1977n/a
1978n/a
1979n/a
1980n/a
1981n/a
1982n/a
1983n/a

Wettest day (Rx1day)

Wettest day (Rx1day) at Sumas Canal by year The wettest day of the year at Sumas Canal, 1957 to 1983. The record is 109.0 mm (4.3 in) in 1968, marked on the chart; the median year is 63.2 mm (2.5 in). 25507510012519601965197019751980Record: 109.0 mm (4.3 in) in 1968
The wettest day of the year at Sumas Canal, 1957 to 1983. The record is 109.0 mm (4.3 in) in 1968, marked on the chart; the median year is 63.2 mm (2.5 in).
Wettest day (Rx1day) at Sumas Canal by year
YearWettest day (Rx1day)
195738.1 mm (1.5 in)
195874.7 mm (2.9 in)
195999.6 mm (3.9 in)
196058.7 mm (2.3 in)
196159.4 mm (2.3 in)
196246.0 mm (1.8 in)
196360.2 mm (2.4 in)
196479.5 mm (3.1 in)
196568.6 mm (2.7 in)
196662.5 mm (2.5 in)
196751.1 mm (2.0 in)
1968109.0 mm (4.3 in)
196928.4 mm (1.1 in)
197050.3 mm (2.0 in)
197192.7 mm (3.6 in)
197287.6 mm (3.4 in)
197347.8 mm (1.9 in)
197466.0 mm (2.6 in)
197566.0 mm (2.6 in)
197654.1 mm (2.1 in)
197761.5 mm (2.4 in)
197860.2 mm (2.4 in)
197996.5 mm (3.8 in)
198092.4 mm (3.6 in)
198163.2 mm (2.5 in)
198276.4 mm (3.0 in)
198368.6 mm (2.7 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Sumas Canal by year The wettest five days of the year at Sumas Canal, 1957 to 1983. The record is 245.6 mm (9.7 in) in 1972, marked on the chart; the median year is 142.8 mm (5.6 in). 5010015020025019601965197019751980Record: 245.6 mm (9.7 in) in 1972
The wettest five days of the year at Sumas Canal, 1957 to 1983. The record is 245.6 mm (9.7 in) in 1972, marked on the chart; the median year is 142.8 mm (5.6 in).
Wettest five days (Rx5day) at Sumas Canal by year
YearWettest five days (Rx5day)
195784.9 mm (3.3 in)
1958143.3 mm (5.6 in)
1959202.0 mm (8.0 in)
1960121.4 mm (4.8 in)
1961159.6 mm (6.3 in)
1962101.3 mm (4.0 in)
1963125.7 mm (4.9 in)
1964121.4 mm (4.8 in)
1965142.8 mm (5.6 in)
1966153.6 mm (6.0 in)
1967150.3 mm (5.9 in)
1968186.9 mm (7.4 in)
196975.6 mm (3.0 in)
1970113.0 mm (4.4 in)
1971195.0 mm (7.7 in)
1972245.6 mm (9.7 in)
197385.3 mm (3.4 in)
1974146.9 mm (5.8 in)
1975187.4 mm (7.4 in)
1976107.9 mm (4.2 in)
1977110.8 mm (4.4 in)
1978116.9 mm (4.6 in)
1979238.7 mm (9.4 in)
1980133.6 mm (5.3 in)
1981127.8 mm (5.0 in)
1982203.6 mm (8.0 in)
1983148.2 mm (5.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Sumas Canal by year The longest dry spell of the year at Sumas Canal, 1957 to 1983. The record is 51 days in 1960, marked on the chart; the median year is 20 days. 020406019601965197019751980Record: 51 days in 1960
The longest dry spell of the year at Sumas Canal, 1957 to 1983. The record is 51 days in 1960, marked on the chart; the median year is 20 days.
Longest dry spell (CDD) at Sumas Canal by year
YearLongest dry spell (CDD)
195719 days
195826 days
195916 days
196051 days
196129 days
196216 days
196320 days
196410 days
196527 days
196617 days
196716 days
196823 days
196921 days
197024 days
197141 days
197228 days
197315 days
197426 days
197517 days
197616 days
197723 days
197814 days
197933 days
198014 days
198120 days
198219 days
198317 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 Sumas Canal standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Sumas Canal 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 . Last revised (2026-10-16).