Porcupine Ont Hydro Weather Records (CA006076572)

Record envelope, standing records and threshold days for Porcupine Ont Hydro (CA006076572), Ontario, Canada, with 33 years of record.

Key Facts for Porcupine Ont Hydro

Porcupine Ont Hydro (CA006076572) is a weather station in Ontario, Canada at 48.47 latitude and -81.27 longitude, 299 m (981 ft) above sea level.
The station reports from 1969 to 2001, 33 years of record.
1,464 records set at Porcupine Ont Hydro 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, 48.47 latitude, -81.27 longitude.
Elevation: 299 m (981 ft).
Period of record: 1969 to 2001, 33 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 Porcupine Ont Hydro. 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 Porcupine Ont Hydro, with 2026 drawn through them
Month	Highest record high	Lowest record low	2026 highest maximum	2026 lowest minimum
Jan	7.2 C (45.0 F)	-45.0 C (-49.0 F)	n/a	n/a
Feb	10.0 C (50.0 F)	-42.8 C (-45.0 F)	n/a	n/a
Mar	14.5 C (58.1 F)	-37.2 C (-35.0 F)	n/a	n/a
Apr	26.7 C (80.1 F)	-26.7 C (-16.1 F)	n/a	n/a
May	32.2 C (90.0 F)	-10.0 C (14.0 F)	n/a	n/a
Jun	34.0 C (93.2 F)	-3.9 C (25.0 F)	n/a	n/a
Jul	36.5 C (97.7 F)	-0.6 C (30.9 F)	n/a	n/a
Aug	36.7 C (98.1 F)	-1.1 C (30.0 F)	n/a	n/a
Sep	32.5 C (90.5 F)	-5.5 C (22.1 F)	n/a	n/a
Oct	25.6 C (78.1 F)	-15.0 C (5.0 F)	n/a	n/a
Nov	19.5 C (67.1 F)	-32.2 C (-26.0 F)	n/a	n/a
Dec	15.0 C (59.0 F)	-42.8 C (-45.0 F)	n/a	n/a

Which Years Hold Standing Records

1,464 standing records

1,464 records at Porcupine Ont Hydro still stand. 1976 holds the most, with 124.

Wettest Day of Each Month

Jul: 60.0 mm (2.4 in)

The wettest day on record for each calendar month at Porcupine Ont Hydro. The most was 60.0 mm (2.4 in) on 16 July 1982.

Record daily precipitation for each month at Porcupine Ont Hydro
Month	Record daily precipitation (mm)	Date
Jan	28.0 mm (1.1 in)	1 January 1982
Feb	25.4 mm (1.0 in)	15 February 1976
Mar	43.0 mm (1.7 in)	19 March 1983
Apr	30.5 mm (1.2 in)	1 April 1976
May	44.5 mm (1.8 in)	29 May 1972
Jun	49.5 mm (1.9 in)	20 June 1972
Jul	60.0 mm (2.4 in)	16 July 1982
Aug	28.2 mm (1.1 in)	14 August 1981
Sep	41.9 mm (1.6 in)	10 September 1974
Oct	39.5 mm (1.6 in)	6 October 1981
Nov	27.7 mm (1.1 in)	7 November 1975
Dec	33.5 mm (1.3 in)	10 December 1971

Period of Record Coverage

1969 to 1983

15 years of record at Porcupine Ont Hydro, 1969 to 1983. 3 years have data for under 90 percent of days and are left out of rankings: 1969, 1973, 1975.

Days with data per year at Porcupine Ont Hydro
Year	Days with data	Share of year	Complete
1969	139	38%	No
1970	365	100%	Yes
1971	335	92%	Yes
1972	365	100%	Yes
1973	303	83%	No
1974	335	92%	Yes
1975	230	63%	No
1976	366	100%	Yes
1977	364	100%	Yes
1978	364	100%	Yes
1979	365	100%	Yes
1980	366	100%	Yes
1981	361	99%	Yes
1982	337	92%	Yes
1983	363	99%	Yes

Latest Records

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

Extremes by Year

1969 to 1983

Yearly extremes at Porcupine Ont Hydro: the record and the median year
Measure	Record	Year of the record	Median year	Years with a value
Hottest day (TXx)	36.7 C (98.1 F)	1976	34.0 C (93.2 F)	15
Coldest night (TNn)	-45.0 C (-49.0 F)	1982	-41.1 C (-42.0 F)	15
Wettest day (Rx1day)	60.0 mm (2.4 in)	1982	35.1 mm (1.4 in)	15
Wettest five days (Rx5day)	87.0 mm (3.4 in)	1982	54.7 mm (2.2 in)	15
Longest dry spell (CDD)	21 days	1972	15 days	15

Hottest day (TXx)

The hottest day of the year at Porcupine Ont Hydro, 1969 to 1983. The record is 36.7 C (98.1 F) in 1976, marked on the chart; the median year is 34.0 C (93.2 F).

Hottest day (TXx) at Porcupine Ont Hydro by year
Year	Hottest day (TXx)
1969	34.4 C (93.9 F)
1970	33.3 C (91.9 F)
1971	33.3 C (91.9 F)
1972	31.7 C (89.1 F)
1973	31.7 C (89.1 F)
1974	33.9 C (93.0 F)
1975	31.7 C (89.1 F)
1976	36.7 C (98.1 F)
1977	36.5 C (97.7 F)
1978	34.5 C (94.1 F)
1979	34.0 C (93.2 F)
1980	33.0 C (91.4 F)
1981	36.0 C (96.8 F)
1982	35.0 C (95.0 F)
1983	34.0 C (93.2 F)

Coldest night (TNn)

The coldest night of the year at Porcupine Ont Hydro, 1969 to 1983. The record is -45.0 C (-49.0 F) in 1982, marked on the chart; the median year is -41.1 C (-42.0 F).

Coldest night (TNn) at Porcupine Ont Hydro by year
Year	Coldest night (TNn)
1969	-23.3 C (-9.9 F)
1970	-42.8 C (-45.0 F)
1971	-41.1 C (-42.0 F)
1972	-40.6 C (-41.1 F)
1973	-43.3 C (-45.9 F)
1974	-42.2 C (-44.0 F)
1975	-42.8 C (-45.0 F)
1976	-41.7 C (-43.1 F)
1977	-36.1 C (-33.0 F)
1978	-38.0 C (-36.4 F)
1979	-40.0 C (-40.0 F)
1980	-39.0 C (-38.2 F)
1981	-42.0 C (-43.6 F)
1982	-45.0 C (-49.0 F)
1983	-37.0 C (-34.6 F)

Wettest day (Rx1day)

The wettest day of the year at Porcupine Ont Hydro, 1969 to 1983. The record is 60.0 mm (2.4 in) in 1982, marked on the chart; the median year is 35.1 mm (1.4 in).

Wettest day (Rx1day) at Porcupine Ont Hydro by year
Year	Wettest day (Rx1day)
1969	16.5 mm (0.6 in)
1970	34.3 mm (1.4 in)
1971	35.1 mm (1.4 in)
1972	49.5 mm (1.9 in)
1973	24.6 mm (1.0 in)
1974	46.7 mm (1.8 in)
1975	29.0 mm (1.1 in)
1976	30.5 mm (1.2 in)
1977	29.0 mm (1.1 in)
1978	37.0 mm (1.5 in)
1979	48.0 mm (1.9 in)
1980	25.0 mm (1.0 in)
1981	39.5 mm (1.6 in)
1982	60.0 mm (2.4 in)
1983	43.0 mm (1.7 in)

Wettest five days (Rx5day)

The wettest five days of the year at Porcupine Ont Hydro, 1969 to 1983. The record is 87.0 mm (3.4 in) in 1982, marked on the chart; the median year is 54.7 mm (2.2 in).

Wettest five days (Rx5day) at Porcupine Ont Hydro by year
Year	Wettest five days (Rx5day)
1969	48.3 mm (1.9 in)
1970	38.9 mm (1.5 in)
1971	54.7 mm (2.2 in)
1972	53.6 mm (2.1 in)
1973	37.6 mm (1.5 in)
1974	64.2 mm (2.5 in)
1975	56.0 mm (2.2 in)
1976	50.3 mm (2.0 in)
1977	46.2 mm (1.8 in)
1978	67.4 mm (2.7 in)
1979	70.5 mm (2.8 in)
1980	59.5 mm (2.3 in)
1981	47.4 mm (1.9 in)
1982	87.0 mm (3.4 in)
1983	65.0 mm (2.6 in)

Longest dry spell (CDD)

The longest dry spell of the year at Porcupine Ont Hydro, 1969 to 1983. The record is 21 days in 1972, marked on the chart; the median year is 15 days.

Longest dry spell (CDD) at Porcupine Ont Hydro by year
Year	Longest dry spell (CDD)
1969	10 days
1970	19 days
1971	16 days
1972	21 days
1973	15 days
1974	10 days
1975	18 days
1976	15 days
1977	11 days
1978	21 days
1979	13 days
1980	18 days
1981	12 days
1982	12 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 Porcupine Ont Hydro standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Porcupine Ont Hydro 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).