Combermere Weather Records (CA006101820)

Record envelope, standing records and threshold days for Combermere (CA006101820), Ontario, Canada, with 51 years of record.

Key Facts for Combermere

Combermere (CA006101820) is a weather station in Ontario, Canada at 45.37 latitude and -77.62 longitude, 287 m (942 ft) above sea level.
The station reports from 1956 to 2006, 51 years of record.
1,464 records set at Combermere still stand.
Records are tracked for no element yet: an element needs 30 years of data to be eligible.

About the Station

Location: Ontario, Canada, 45.37 latitude, -77.62 longitude.
Elevation: 287 m (942 ft).
Period of record: 1956 to 2006, 51 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 Combermere. 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 Combermere, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	11.1 C (52.0 F)	-40.0 C (-40.0 F)	n/a	n/a
Feb	10.6 C (51.1 F)	-37.8 C (-36.0 F)	n/a	n/a
Mar	22.2 C (72.0 F)	-32.0 C (-25.6 F)	n/a	n/a
Apr	30.0 C (86.0 F)	-23.9 C (-11.0 F)	n/a	n/a
May	32.8 C (91.0 F)	-10.0 C (14.0 F)	n/a	n/a
Jun	33.3 C (91.9 F)	-3.9 C (25.0 F)	n/a	n/a
Jul	37.2 C (99.0 F)	2.2 C (36.0 F)	n/a	n/a
Aug	33.3 C (91.9 F)	-0.6 C (30.9 F)	n/a	n/a
Sep	34.4 C (93.9 F)	-5.6 C (21.9 F)	n/a	n/a
Oct	26.7 C (80.1 F)	-10.6 C (12.9 F)	n/a	n/a
Nov	21.7 C (71.1 F)	-23.0 C (-9.4 F)	n/a	n/a
Dec	16.0 C (60.8 F)	-35.6 C (-32.1 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Combermere still stand. 1965 holds the most, with 91.

Standing records at Combermere by the year they were set
Year set	Standing records
1956	58
1957	49
1958	47
1959	66
1960	40
1961	49
1962	66
1963	75
1964	67
1965	91
1966	54
1967	56
1968	68
1969	35
1970	45
1971	57
1972	46
1973	55
1974	23
1975	36
1976	64
1977	46
1978	38
1979	59
1980	46
1981	49
1982	42
1983	37

Wettest Day of Each Month

Sep: 61.0 mm (2.4 in)

The wettest day on record for each calendar month at Combermere. The most was 61.0 mm (2.4 in) on 28 September 1967.

Record daily precipitation for each month at Combermere
Month	Record daily precipitation (mm)	Date
Jan	25.0 mm (1.0 in)	26 January 1978
Feb	45.7 mm (1.8 in)	19 February 1960
Mar	27.2 mm (1.1 in)	31 March 1976
Apr	25.4 mm (1.0 in)	30 April 1963
May	44.0 mm (1.7 in)	7 May 1983
Jun	57.2 mm (2.3 in)	21 June 1972
Jul	56.6 mm (2.2 in)	20 July 1975
Aug	52.1 mm (2.1 in)	26 August 1972
Sep	61.0 mm (2.4 in)	28 September 1967
Oct	46.0 mm (1.8 in)	17 October 1980
Nov	33.0 mm (1.3 in)	28 November 1966
Dec	35.6 mm (1.4 in)	15 December 1972

Period of Record Coverage

1956 to 1983

28 years of record at Combermere, 1956 to 1983. 6 years have data for under 90 percent of days and are left out of rankings: 1957, 1961, 1962, 1974, 1975, 1976.

Days with data per year at Combermere
Year	Days with data	Share of year	Complete
1956	364	99%	Yes
1957	211	58%	No
1958	361	99%	Yes
1959	354	97%	Yes
1960	359	98%	Yes
1961	327	90%	No
1962	304	83%	No
1963	329	90%	Yes
1964	333	91%	Yes
1965	363	99%	Yes
1966	334	92%	Yes
1967	365	100%	Yes
1968	333	91%	Yes
1969	365	100%	Yes
1970	363	99%	Yes
1971	365	100%	Yes
1972	365	100%	Yes
1973	364	100%	Yes
1974	152	42%	No
1975	272	75%	No
1976	304	83%	No
1977	333	91%	Yes
1978	333	91%	Yes
1979	329	90%	Yes
1980	362	99%	Yes
1981	364	100%	Yes
1982	363	99%	Yes
1983	359	98%	Yes

Latest Records

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

Climate Trend

15 complete years, 1956 to 1983

One stripe for each of 15 complete years at Combermere, 1956 to 1983. Blue stripes are years cooler than the station's own mean of 4.1 C (39.4 F); red stripes are warmer. The coolest year was 1972, at 3.1 C (37.6 F), and the warmest was 1973, at 5.3 C (41.5 F). The strongest colour marks a difference of 1.2 C (2.2 F).

Annual mean temperature at Combermere as warming stripes, 1956 to 1983
Year	Annual mean temperature	Difference from the station mean
1956	3.9 C	-0.19 C
1958	4.0 C	-0.08 C
1959	4.4 C	+0.26 C
1960	4.8 C	+0.72 C
1965	3.2 C	-0.88 C
1967	3.7 C	-0.40 C
1969	4.5 C	+0.34 C
1970	3.7 C	-0.44 C
1971	4.3 C	+0.16 C
1972	3.1 C	-1.00 C
1973	5.3 C	+1.13 C
1980	3.5 C	-0.59 C
1981	4.7 C	+0.58 C
1982	4.0 C	-0.13 C
1983	4.7 C	+0.54 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

1956 to 1983

Yearly extremes at Combermere: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	37.2 C (99.0 F)	1977	32.2 C (90.0 F)	28
Coldest night (TNn)	-40.0 C (-40.0 F)	1981	-34.4 C (-29.9 F)	28
Wettest day (Rx1day)	61.0 mm (2.4 in)	1967	40.3 mm (1.6 in)	28
Wettest five days (Rx5day)	100.6 mm (4.0 in)	1967	58.3 mm (2.3 in)	28
Longest dry spell (CDD)	26 days	1961	15 days	28

Hottest day (TXx)

The hottest day of the year at Combermere, 1956 to 1983. The record is 37.2 C (99.0 F) in 1977, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Combermere by year
Year	Hottest day (TXx)
1956	33.3 C (91.9 F)
1957	32.2 C (90.0 F)
1958	30.6 C (87.1 F)
1959	32.2 C (90.0 F)
1960	34.4 C (93.9 F)
1961	31.7 C (89.1 F)
1962	32.8 C (91.0 F)
1963	33.9 C (93.0 F)
1964	32.8 C (91.0 F)
1965	33.3 C (91.9 F)
1966	35.6 C (96.1 F)
1967	29.4 C (84.9 F)
1968	35.6 C (96.1 F)
1969	31.7 C (89.1 F)
1970	31.1 C (88.0 F)
1971	31.7 C (89.1 F)
1972	32.2 C (90.0 F)
1973	31.7 C (89.1 F)
1974	31.7 C (89.1 F)
1975	33.9 C (93.0 F)
1976	31.1 C (88.0 F)
1977	37.2 C (99.0 F)
1978	32.0 C (89.6 F)
1979	32.5 C (90.5 F)
1980	32.0 C (89.6 F)
1981	32.0 C (89.6 F)
1982	31.0 C (87.8 F)
1983	32.5 C (90.5 F)

Coldest night (TNn)

The coldest night of the year at Combermere, 1956 to 1983. The record is -40.0 C (-40.0 F) in 1981, marked on the chart; the median year is -34.4 C (-29.9 F).

Coldest night (TNn) at Combermere by year
Year	Coldest night (TNn)
1956	-26.7 C (-16.1 F)
1957	-24.4 C (-11.9 F)
1958	-33.3 C (-27.9 F)
1959	-34.4 C (-29.9 F)
1960	-33.3 C (-27.9 F)
1961	-34.4 C (-29.9 F)
1962	-37.8 C (-36.0 F)
1963	-35.0 C (-31.0 F)
1964	-31.1 C (-24.0 F)
1965	-37.2 C (-35.0 F)
1966	-34.4 C (-29.9 F)
1967	-34.4 C (-29.9 F)
1968	-35.6 C (-32.1 F)
1969	-31.1 C (-24.0 F)
1970	-35.0 C (-31.0 F)
1971	-35.0 C (-31.0 F)
1972	-34.4 C (-29.9 F)
1973	-34.4 C (-29.9 F)
1974	-31.7 C (-25.1 F)
1975	-28.9 C (-20.0 F)
1976	-35.0 C (-31.0 F)
1977	-34.4 C (-29.9 F)
1978	-33.0 C (-27.4 F)
1979	-37.0 C (-34.6 F)
1980	-35.0 C (-31.0 F)
1981	-40.0 C (-40.0 F)
1982	-34.0 C (-29.2 F)
1983	-33.0 C (-27.4 F)

Wettest day (Rx1day)

The wettest day of the year at Combermere, 1956 to 1983. The record is 61.0 mm (2.4 in) in 1967, marked on the chart; the median year is 40.3 mm (1.6 in).

Wettest day (Rx1day) at Combermere by year
Year	Wettest day (Rx1day)
1956	40.9 mm (1.6 in)
1957	40.6 mm (1.6 in)
1958	37.1 mm (1.5 in)
1959	38.4 mm (1.5 in)
1960	45.7 mm (1.8 in)
1961	37.3 mm (1.5 in)
1962	32.0 mm (1.3 in)
1963	34.3 mm (1.4 in)
1964	23.1 mm (0.9 in)
1965	37.1 mm (1.5 in)
1966	35.6 mm (1.4 in)
1967	61.0 mm (2.4 in)
1968	32.0 mm (1.3 in)
1969	40.6 mm (1.6 in)
1970	40.6 mm (1.6 in)
1971	46.2 mm (1.8 in)
1972	57.2 mm (2.3 in)
1973	42.7 mm (1.7 in)
1974	19.1 mm (0.8 in)
1975	56.6 mm (2.2 in)
1976	33.0 mm (1.3 in)
1977	39.1 mm (1.5 in)
1978	40.0 mm (1.6 in)
1979	29.6 mm (1.2 in)
1980	46.0 mm (1.8 in)
1981	52.0 mm (2.0 in)
1982	49.0 mm (1.9 in)
1983	44.0 mm (1.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Combermere, 1956 to 1983. The record is 100.6 mm (4.0 in) in 1967, marked on the chart; the median year is 58.3 mm (2.3 in).

Wettest five days (Rx5day) at Combermere by year
Year	Wettest five days (Rx5day)
1956	66.6 mm (2.6 in)
1957	63.8 mm (2.5 in)
1958	41.9 mm (1.6 in)
1959	46.0 mm (1.8 in)
1960	50.8 mm (2.0 in)
1961	53.8 mm (2.1 in)
1962	52.1 mm (2.1 in)
1963	48.7 mm (1.9 in)
1964	32.8 mm (1.3 in)
1965	57.4 mm (2.3 in)
1966	58.9 mm (2.3 in)
1967	100.6 mm (4.0 in)
1968	55.9 mm (2.2 in)
1969	75.7 mm (3.0 in)
1970	58.7 mm (2.3 in)
1971	52.5 mm (2.1 in)
1972	78.3 mm (3.1 in)
1973	65.8 mm (2.6 in)
1974	33.6 mm (1.3 in)
1975	63.7 mm (2.5 in)
1976	76.1 mm (3.0 in)
1977	51.3 mm (2.0 in)
1978	57.8 mm (2.3 in)
1979	53.2 mm (2.1 in)
1980	76.2 mm (3.0 in)
1981	75.6 mm (3.0 in)
1982	63.5 mm (2.5 in)
1983	75.1 mm (3.0 in)

Longest dry spell (CDD)

The longest dry spell of the year at Combermere, 1956 to 1983. The record is 26 days in 1961, marked on the chart; the median year is 15 days.

Longest dry spell (CDD) at Combermere by year
Year	Longest dry spell (CDD)
1956	17 days
1957	15 days
1958	20 days
1959	15 days
1960	17 days
1961	26 days
1962	14 days
1963	16 days
1964	13 days
1965	18 days
1966	12 days
1967	20 days
1968	17 days
1969	14 days
1970	26 days
1971	14 days
1972	13 days
1973	14 days
1974	14 days
1975	16 days
1976	13 days
1977	22 days
1978	16 days
1979	12 days
1980	18 days
1981	14 days
1982	10 days
1983	14 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 Combermere standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Combermere 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 2026-10-16. Last revised 16 October 2026 (2026-10-16).