Brockville Pcc Weather Records (CA006100971)

Record envelope, standing records and threshold days for Brockville Pcc (CA006100971), Ontario, Canada, with 59 years of record.

Key Facts for Brockville Pcc

Brockville Pcc (CA006100971) is a weather station in Ontario, Canada at 44.60 latitude and -75.67 longitude, 96 m (315 ft) above sea level.
The station reports from 1965 to 2023, 59 years of record.
1,464 records set at Brockville Pcc 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, 44.60 latitude, -75.67 longitude.
Elevation: 96 m (315 ft).
Period of record: 1965 to 2023, 59 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 Brockville Pcc. 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 Brockville Pcc, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	15.6 C (60.1 F)	-35.0 C (-31.0 F)	n/a	n/a
Feb	15.0 C (59.0 F)	-30.0 C (-22.0 F)	n/a	n/a
Mar	23.9 C (75.0 F)	-22.0 C (-7.6 F)	n/a	n/a
Apr	28.3 C (82.9 F)	-14.0 C (6.8 F)	n/a	n/a
May	29.4 C (84.9 F)	-6.7 C (19.9 F)	n/a	n/a
Jun	32.5 C (90.5 F)	1.5 C (34.7 F)	n/a	n/a
Jul	35.6 C (96.1 F)	7.0 C (44.6 F)	n/a	n/a
Aug	32.2 C (90.0 F)	3.9 C (39.0 F)	n/a	n/a
Sep	32.8 C (91.0 F)	-0.5 C (31.1 F)	n/a	n/a
Oct	26.1 C (79.0 F)	-8.5 C (16.7 F)	n/a	n/a
Nov	22.2 C (72.0 F)	-15.0 C (5.0 F)	n/a	n/a
Dec	16.0 C (60.8 F)	-34.0 C (-29.2 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Brockville Pcc still stand. 1973 holds the most, with 108.

Standing records at Brockville Pcc by the year they were set
Year set	Standing records
1965	38
1966	105
1967	100
1968	84
1969	67
1970	65
1971	68
1972	63
1973	108
1974	70
1975	85
1976	93
1977	67
1978	60
1979	96
1980	50
1981	87
1982	78
1983	80

Wettest Day of Each Month

Sep: 89.0 mm (3.5 in)

The wettest day on record for each calendar month at Brockville Pcc. The most was 89.0 mm (3.5 in) on 14 September 1979.

Record daily precipitation for each month at Brockville Pcc
Month	Record daily precipitation (mm)	Date
Jan	35.6 mm (1.4 in)	30 January 1966
Feb	38.9 mm (1.5 in)	3 February 1972
Mar	44.5 mm (1.8 in)	22 March 1977
Apr	36.1 mm (1.4 in)	3 April 1975
May	37.1 mm (1.5 in)	30 May 1972
Jun	58.4 mm (2.3 in)	23 June 1969
Jul	57.0 mm (2.2 in)	31 July 1979
Aug	63.4 mm (2.5 in)	25 August 1982
Sep	89.0 mm (3.5 in)	14 September 1979
Oct	63.5 mm (2.5 in)	6 October 1972
Nov	40.6 mm (1.6 in)	26 November 1979
Dec	38.4 mm (1.5 in)	9 December 1973

Period of Record Coverage

1965 to 1983

19 years of record at Brockville Pcc, 1965 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1965.

Days with data per year at Brockville Pcc
Year	Days with data	Share of year	Complete
1965	129	35%	No
1966	365	100%	Yes
1967	365	100%	Yes
1968	366	100%	Yes
1969	365	100%	Yes
1970	334	92%	Yes
1971	364	100%	Yes
1972	366	100%	Yes
1973	364	100%	Yes
1974	364	100%	Yes
1975	365	100%	Yes
1976	366	100%	Yes
1977	365	100%	Yes
1978	344	94%	Yes
1979	364	100%	Yes
1980	364	99%	Yes
1981	364	100%	Yes
1982	363	99%	Yes
1983	364	100%	Yes

Latest Records

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

Climate Trend

16 complete years, 1966 to 1983

One stripe for each of 16 complete years at Brockville Pcc, 1966 to 1983. Blue stripes are years cooler than the station's own mean of 6.7 C (44.0 F); red stripes are warmer. The coolest year was 1972, at 5.6 C (42.1 F), and the warmest was 1973, at 8.0 C (46.3 F). The strongest colour marks a difference of 1.4 C (2.5 F).

Annual mean temperature at Brockville Pcc as warming stripes, 1966 to 1983
Year	Annual mean temperature	Difference from the station mean
1966	7.1 C	+0.42 C
1967	6.7 C	0.00 C
1968	6.4 C	-0.26 C
1969	6.8 C	+0.11 C
1971	6.6 C	-0.01 C
1972	5.6 C	-1.02 C
1973	8.0 C	+1.31 C
1974	6.3 C	-0.31 C
1975	7.4 C	+0.73 C
1976	5.9 C	-0.76 C
1977	6.9 C	+0.20 C
1978	5.8 C	-0.83 C
1980	6.1 C	-0.56 C
1981	7.0 C	+0.32 C
1982	6.6 C	-0.04 C
1983	7.4 C	+0.72 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

1965 to 1983

Yearly extremes at Brockville Pcc: 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)	1970	31.0 C (87.8 F)	19
Coldest night (TNn)	-35.0 C (-31.0 F)	1981	-28.3 C (-18.9 F)	19
Wettest day (Rx1day)	89.0 mm (3.5 in)	1979	48.8 mm (1.9 in)	19
Wettest five days (Rx5day)	142.2 mm (5.6 in)	1979	66.3 mm (2.6 in)	19
Longest dry spell (CDD)	23 days	1978	13 days	19

Hottest day (TXx)

The hottest day of the year at Brockville Pcc, 1965 to 1983. The record is 35.6 C (96.1 F) in 1970, marked on the chart; the median year is 31.0 C (87.8 F).

Hottest day (TXx) at Brockville Pcc by year
Year	Hottest day (TXx)
1965	29.4 C (84.9 F)
1966	32.8 C (91.0 F)
1967	28.9 C (84.0 F)
1968	30.6 C (87.1 F)
1969	29.4 C (84.9 F)
1970	35.6 C (96.1 F)
1971	30.0 C (86.0 F)
1972	31.1 C (88.0 F)
1973	32.8 C (91.0 F)
1974	28.9 C (84.0 F)
1975	32.2 C (90.0 F)
1976	30.0 C (86.0 F)
1977	30.5 C (86.9 F)
1978	32.0 C (89.6 F)
1979	32.5 C (90.5 F)
1980	30.0 C (86.0 F)
1981	33.0 C (91.4 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 Brockville Pcc, 1965 to 1983. The record is -35.0 C (-31.0 F) in 1981, marked on the chart; the median year is -28.3 C (-18.9 F).

Coldest night (TNn) at Brockville Pcc by year
Year	Coldest night (TNn)
1965	-16.7 C (1.9 F)
1966	-25.6 C (-14.1 F)
1967	-29.4 C (-20.9 F)
1968	-31.7 C (-25.1 F)
1969	-23.3 C (-9.9 F)
1970	-30.0 C (-22.0 F)
1971	-31.7 C (-25.1 F)
1972	-30.0 C (-22.0 F)
1973	-28.3 C (-18.9 F)
1974	-25.6 C (-14.1 F)
1975	-27.8 C (-18.0 F)
1976	-30.6 C (-23.1 F)
1977	-27.2 C (-17.0 F)
1978	-27.5 C (-17.5 F)
1979	-29.5 C (-21.1 F)
1980	-34.0 C (-29.2 F)
1981	-35.0 C (-31.0 F)
1982	-28.0 C (-18.4 F)
1983	-24.5 C (-12.1 F)

Wettest day (Rx1day)

The wettest day of the year at Brockville Pcc, 1965 to 1983. The record is 89.0 mm (3.5 in) in 1979, marked on the chart; the median year is 48.8 mm (1.9 in).

Wettest day (Rx1day) at Brockville Pcc by year
Year	Wettest day (Rx1day)
1965	29.0 mm (1.1 in)
1966	35.6 mm (1.4 in)
1967	48.8 mm (1.9 in)
1968	51.6 mm (2.0 in)
1969	58.4 mm (2.3 in)
1970	46.5 mm (1.8 in)
1971	31.8 mm (1.3 in)
1972	63.5 mm (2.5 in)
1973	38.4 mm (1.5 in)
1974	55.1 mm (2.2 in)
1975	73.9 mm (2.9 in)
1976	38.1 mm (1.5 in)
1977	52.6 mm (2.1 in)
1978	27.0 mm (1.1 in)
1979	89.0 mm (3.5 in)
1980	56.6 mm (2.2 in)
1981	44.0 mm (1.7 in)
1982	63.4 mm (2.5 in)
1983	38.6 mm (1.5 in)

Wettest five days (Rx5day)

The wettest five days of the year at Brockville Pcc, 1965 to 1983. The record is 142.2 mm (5.6 in) in 1979, marked on the chart; the median year is 66.3 mm (2.6 in).

Wettest five days (Rx5day) at Brockville Pcc by year
Year	Wettest five days (Rx5day)
1965	38.6 mm (1.5 in)
1966	63.5 mm (2.5 in)
1967	70.7 mm (2.8 in)
1968	74.2 mm (2.9 in)
1969	60.7 mm (2.4 in)
1970	78.8 mm (3.1 in)
1971	60.9 mm (2.4 in)
1972	66.3 mm (2.6 in)
1973	63.5 mm (2.5 in)
1974	67.0 mm (2.6 in)
1975	95.6 mm (3.8 in)
1976	69.1 mm (2.7 in)
1977	59.8 mm (2.4 in)
1978	64.6 mm (2.5 in)
1979	142.2 mm (5.6 in)
1980	61.6 mm (2.4 in)
1981	73.8 mm (2.9 in)
1982	85.1 mm (3.4 in)
1983	54.8 mm (2.2 in)

Longest dry spell (CDD)

The longest dry spell of the year at Brockville Pcc, 1965 to 1983. The record is 23 days in 1978, marked on the chart; the median year is 13 days.

Longest dry spell (CDD) at Brockville Pcc by year
Year	Longest dry spell (CDD)
1965	7 days
1966	12 days
1967	18 days
1968	17 days
1969	14 days
1970	10 days
1971	12 days
1972	13 days
1973	13 days
1974	11 days
1975	16 days
1976	16 days
1977	13 days
1978	23 days
1979	12 days
1980	11 days
1981	9 days
1982	11 days
1983	17 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 Brockville Pcc standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Brockville Pcc 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of 2026-10-14. Last revised 14 October 2026 (2026-10-14).