Cookstown Weather Records (CA006111859)

Record envelope, standing records and threshold days for Cookstown (CA006111859), Ontario, Canada, with 35 years of record.

Key Facts for Cookstown

Cookstown (CA006111859) is a weather station in Ontario, Canada at 44.20 latitude and -79.70 longitude, 244 m (801 ft) above sea level.
The station reports from 1972 to 2006, 35 years of record.
1,464 records set at Cookstown 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, 44.20 latitude, -79.70 longitude.
Elevation: 244 m (801 ft).
Period of record: 1972 to 2006, 35 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 Cookstown. 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 Cookstown, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	9.4 C (48.9 F)	-35.5 C (-31.9 F)	n/a	n/a
Feb	10.5 C (50.9 F)	-36.0 C (-32.8 F)	n/a	n/a
Mar	22.8 C (73.0 F)	-28.0 C (-18.4 F)	n/a	n/a
Apr	27.8 C (82.0 F)	-14.5 C (5.9 F)	n/a	n/a
May	33.0 C (91.4 F)	-4.4 C (24.1 F)	n/a	n/a
Jun	32.2 C (90.0 F)	0.0 C (32.0 F)	n/a	n/a
Jul	34.5 C (94.1 F)	2.8 C (37.0 F)	n/a	n/a
Aug	35.6 C (96.1 F)	0.5 C (32.9 F)	n/a	n/a
Sep	33.9 C (93.0 F)	-3.9 C (25.0 F)	n/a	n/a
Oct	26.0 C (78.8 F)	-8.3 C (17.1 F)	n/a	n/a
Nov	21.1 C (70.0 F)	-18.0 C (-0.4 F)	n/a	n/a
Dec	18.5 C (65.3 F)	-35.5 C (-31.9 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Cookstown still stand. 1983 holds the most, with 146.

Wettest Day of Each Month

Jul: 79.1 mm (3.1 in)

The wettest day on record for each calendar month at Cookstown. The most was 79.1 mm (3.1 in) on 20 July 1980.

Record daily precipitation for each month at Cookstown
Month	Record daily precipitation (mm)	Date
Jan	17.5 mm (0.7 in)	25 January 1978
Feb	28.4 mm (1.1 in)	24 February 1975
Mar	35.3 mm (1.4 in)	4 March 1974
Apr	26.5 mm (1.0 in)	14 April 1980
May	34.2 mm (1.3 in)	31 May 1977
Jun	29.0 mm (1.1 in)	15 June 1982
Jul	79.1 mm (3.1 in)	20 July 1980
Aug	47.3 mm (1.9 in)	16 August 1977
Sep	50.0 mm (2.0 in)	14 September 1982
Oct	34.0 mm (1.3 in)	22 October 1972
Nov	33.3 mm (1.3 in)	20 November 1974
Dec	28.9 mm (1.1 in)	24 December 1979

Period of Record Coverage

1972 to 1983

12 years of record at Cookstown, 1972 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1972.

Days with data per year at Cookstown
Year	Days with data	Share of year	Complete
1972	201	55%	No
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

11 complete years, 1973 to 1983

One stripe for each of 11 complete years at Cookstown, 1973 to 1983. Blue stripes are years cooler than the station's own mean of 6.1 C (42.9 F); red stripes are warmer. The coolest year was 1978, at 5.1 C (41.2 F), and the warmest was 1973, at 7.1 C (44.8 F). The strongest colour marks a difference of 1.1 C (2.0 F).

Annual mean temperature at Cookstown as warming stripes, 1973 to 1983
Year	Annual mean temperature	Difference from the station mean
1973	7.1 C	+1.02 C
1974	5.9 C	-0.16 C
1975	6.8 C	+0.67 C
1976	5.4 C	-0.72 C
1977	6.2 C	+0.11 C
1978	5.1 C	-0.97 C
1979	6.0 C	-0.07 C
1980	5.5 C	-0.60 C
1981	6.2 C	+0.09 C
1982	6.0 C	-0.10 C
1983	6.8 C	+0.70 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

1972 to 1983

Yearly extremes at Cookstown: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	35.6 C (96.1 F)	1975	32.2 C (90.0 F)	12
Coldest night (TNn)	-36.0 C (-32.8 F)	1979	-32.2 C (-26.0 F)	12
Wettest day (Rx1day)	79.1 mm (3.1 in)	1980	43.1 mm (1.7 in)	12
Wettest five days (Rx5day)	89.8 mm (3.5 in)	1973	60.7 mm (2.4 in)	12
Longest dry spell (CDD)	28 days	1978	15 days	12

Hottest day (TXx)

The hottest day of the year at Cookstown, 1972 to 1983. The record is 35.6 C (96.1 F) in 1975, marked on the chart; the median year is 32.2 C (90.0 F).

Hottest day (TXx) at Cookstown by year
Year	Hottest day (TXx)
1972	32.2 C (90.0 F)
1973	33.9 C (93.0 F)
1974	32.2 C (90.0 F)
1975	35.6 C (96.1 F)
1976	32.2 C (90.0 F)
1977	34.0 C (93.2 F)
1978	34.5 C (94.1 F)
1979	31.5 C (88.7 F)
1980	32.0 C (89.6 F)
1981	32.0 C (89.6 F)
1982	30.5 C (86.9 F)
1983	33.5 C (92.3 F)

Coldest night (TNn)

The coldest night of the year at Cookstown, 1972 to 1983. The record is -36.0 C (-32.8 F) in 1979, marked on the chart; the median year is -32.2 C (-26.0 F).

Coldest night (TNn) at Cookstown by year
Year	Coldest night (TNn)
1972	-20.0 C (-4.0 F)
1973	-27.2 C (-17.0 F)
1974	-26.7 C (-16.1 F)
1975	-26.7 C (-16.1 F)
1976	-34.4 C (-29.9 F)
1977	-33.9 C (-29.0 F)
1978	-31.5 C (-24.7 F)
1979	-36.0 C (-32.8 F)
1980	-35.5 C (-31.9 F)
1981	-35.5 C (-31.9 F)
1982	-33.0 C (-27.4 F)
1983	-26.0 C (-14.8 F)

Wettest day (Rx1day)

The wettest day of the year at Cookstown, 1972 to 1983. The record is 79.1 mm (3.1 in) in 1980, marked on the chart; the median year is 43.1 mm (1.7 in).

Wettest day (Rx1day) at Cookstown by year
Year	Wettest day (Rx1day)
1972	34.0 mm (1.3 in)
1973	41.7 mm (1.6 in)
1974	55.1 mm (2.2 in)
1975	34.3 mm (1.4 in)
1976	47.2 mm (1.9 in)
1977	47.3 mm (1.9 in)
1978	35.0 mm (1.4 in)
1979	28.9 mm (1.1 in)
1980	79.1 mm (3.1 in)
1981	44.4 mm (1.7 in)
1982	63.8 mm (2.5 in)
1983	35.8 mm (1.4 in)

Wettest five days (Rx5day)

The wettest five days of the year at Cookstown, 1972 to 1983. The record is 89.8 mm (3.5 in) in 1973, marked on the chart; the median year is 60.7 mm (2.4 in).

Wettest five days (Rx5day) at Cookstown by year
Year	Wettest five days (Rx5day)
1972	60.9 mm (2.4 in)
1973	89.8 mm (3.5 in)
1974	74.2 mm (2.9 in)
1975	45.2 mm (1.8 in)
1976	73.1 mm (2.9 in)
1977	55.4 mm (2.2 in)
1978	45.4 mm (1.8 in)
1979	51.2 mm (2.0 in)
1980	88.6 mm (3.5 in)
1981	52.5 mm (2.1 in)
1982	88.6 mm (3.5 in)
1983	60.4 mm (2.4 in)

Longest dry spell (CDD)

The longest dry spell of the year at Cookstown, 1972 to 1983. The record is 28 days in 1978, marked on the chart; the median year is 15 days.

Longest dry spell (CDD) at Cookstown by year
Year	Longest dry spell (CDD)
1972	13 days
1973	15 days
1974	21 days
1975	13 days
1976	14 days
1977	25 days
1978	28 days
1979	16 days
1980	15 days
1981	12 days
1982	11 days
1983	16 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 Cookstown standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Cookstown 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-13. Last revised 13 October 2026 (2026-10-13).