Daily records
Page built 2026-10-15
Data as of 2026-10-14
Search
Built 2026-10-15 (15 October 2026)

Petawawa A Weather Records (CA006106398)

Record envelope, standing records and threshold days for Petawawa A (CA006106398), Ontario, Canada, with 39 years of record.

Key Facts for Petawawa A

  • Petawawa A (CA006106398) is a weather station in Ontario, Canada at 45.95 latitude and -77.32 longitude, 130 m (427 ft) above sea level.
  • The station reports from 1970 to 2008, 39 years of record.
  • 1,464 records set at Petawawa A 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, 45.95 latitude, -77.32 longitude.
  • Elevation: 130 m (427 ft).
  • Period of record: 1970 to 2008, 39 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Petawawa A, with 2026 drawn through them The band shows the record high and record low for each calendar day at Petawawa A. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -60-40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Petawawa A. 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 Petawawa A, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan10.0 C (50.0 F)-41.1 C (-42.0 F)n/an/a
Feb10.5 C (50.9 F)-39.4 C (-38.9 F)n/an/a
Mar24.5 C (76.1 F)-33.8 C (-28.8 F)n/an/a
Apr31.7 C (89.1 F)-17.6 C (0.3 F)n/an/a
May33.9 C (93.0 F)-6.1 C (21.0 F)n/an/a
Jun34.4 C (93.9 F)-2.5 C (27.5 F)n/an/a
Jul38.5 C (101.3 F)2.3 C (36.1 F)n/an/a
Aug38.9 C (102.0 F)-1.1 C (30.0 F)n/an/a
Sep33.3 C (91.9 F)-5.0 C (23.0 F)n/an/a
Oct28.5 C (83.3 F)-10.6 C (12.9 F)n/an/a
Nov19.2 C (66.6 F)-22.0 C (-7.6 F)n/an/a
Dec15.4 C (59.7 F)-37.9 C (-36.2 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Petawawa A by the year they were set 1,464 records at Petawawa A still stand. 1976 holds the most, with 128. 0501001501970: 1241971: 1161972: 1081973: 1151974: 851975: 831976: 1281977: 1081978: 861979: 1201980: 961981: 1111982: 1031983: 811970197219741976197819801982
1,464 records at Petawawa A still stand. 1976 holds the most, with 128.
Standing records at Petawawa A by the year they were set
Year setStanding records
1970124
1971116
1972108
1973115
197485
197583
1976128
1977108
197886
1979120
198096
1981111
1982103
198381

Wettest Day of Each Month

Jun: 59.2 mm (2.3 in)
Record daily precipitation for each month at Petawawa A The wettest day on record for each calendar month at Petawawa A. The most was 59.2 mm (2.3 in) on 11 June 1973. 0204060 Jan: 34.3 mm (1.4 in), 25 January 1979 Jan Feb: 24.5 mm (1.0 in), 27 February 1977 Feb Mar: 45.0 mm (1.8 in), 17 March 1973 Mar Apr: 33.5 mm (1.3 in), 11 April 1978 Apr May: 31.5 mm (1.2 in), 30 May 1972 May Jun: 59.2 mm (2.3 in), 11 June 1973 Jun Jul: 45.0 mm (1.8 in), 28 July 1980 Jul Aug: 40.8 mm (1.6 in), 4 August 1981 Aug Sep: 40.2 mm (1.6 in), 1 September 1980 Sep Oct: 36.6 mm (1.4 in), 5 October 1979 Oct Nov: 32.0 mm (1.3 in), 20 November 1974 Nov Dec: 29.2 mm (1.1 in), 30 December 1972 Dec
The wettest day on record for each calendar month at Petawawa A. The most was 59.2 mm (2.3 in) on 11 June 1973.
Record daily precipitation for each month at Petawawa A
MonthRecord daily precipitation (mm)Date
Jan34.3 mm (1.4 in)25 January 1979
Feb24.5 mm (1.0 in)27 February 1977
Mar45.0 mm (1.8 in)17 March 1973
Apr33.5 mm (1.3 in)11 April 1978
May31.5 mm (1.2 in)30 May 1972
Jun59.2 mm (2.3 in)11 June 1973
Jul45.0 mm (1.8 in)28 July 1980
Aug40.8 mm (1.6 in)4 August 1981
Sep40.2 mm (1.6 in)1 September 1980
Oct36.6 mm (1.4 in)5 October 1979
Nov32.0 mm (1.3 in)20 November 1974
Dec29.2 mm (1.1 in)30 December 1972

Period of Record Coverage

1970 to 1983
Days with data per year at Petawawa A 14 years of record at Petawawa A, 1970 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1983. 1970: 365 of 365 days1971: 365 of 365 days1972: 366 of 366 days1973: 365 of 365 days1974: 365 of 365 days1975: 365 of 365 days1976: 365 of 366 days1977: 365 of 365 days1978: 365 of 365 days1979: 365 of 365 days1980: 366 of 366 days1981: 365 of 365 days1982: 365 of 365 days1983: 313 of 365 days197019751980
14 years of record at Petawawa A, 1970 to 1983. 1 years have data for under 90 percent of days and are left out of rankings: 1983.
Days with data per year at Petawawa A
YearDays with dataShare of yearComplete
1970365100%Yes
1971365100%Yes
1972366100%Yes
1973365100%Yes
1974365100%Yes
1975365100%Yes
1976365100%Yes
1977365100%Yes
1978365100%Yes
1979365100%Yes
1980366100%Yes
1981365100%Yes
1982365100%Yes
198331386%No

Latest Records

0

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

Climate Trend

13 complete years, 1970 to 1982
Annual mean temperature at Petawawa A as warming stripes, 1970 to 1982 One stripe for each of 13 complete years at Petawawa A, 1970 to 1982. Blue stripes are years cooler than the station's own mean of 4.0 C (39.3 F); red stripes are warmer. The coolest year was 1976, at 3.0 C (37.4 F), and the warmest was 1973, at 5.0 C (41.0 F). The strongest colour marks a difference of 1.1 C (2.0 F). 1970: 4.8 C, +0.8 C from the station mean1971: 4.6 C, +0.6 C from the station mean1972: 3.1 C, -0.9 C from the station mean1973: 5.0 C, +1.0 C from the station mean1974: 3.6 C, -0.4 C from the station mean1975: 4.6 C, +0.5 C from the station mean1976: 3.0 C, -1.0 C from the station mean1977: 4.4 C, +0.4 C from the station mean1978: 3.3 C, -0.8 C from the station mean1979: 4.2 C, +0.2 C from the station mean1980: 3.4 C, -0.6 C from the station mean1981: 4.7 C, +0.6 C from the station mean1982: 3.8 C, -0.2 C from the station mean1970197219741976197819801982
One stripe for each of 13 complete years at Petawawa A, 1970 to 1982. Blue stripes are years cooler than the station's own mean of 4.0 C (39.3 F); red stripes are warmer. The coolest year was 1976, at 3.0 C (37.4 F), and the warmest was 1973, at 5.0 C (41.0 F). The strongest colour marks a difference of 1.1 C (2.0 F).
Annual mean temperature at Petawawa A as warming stripes, 1970 to 1982
YearAnnual mean temperatureDifference from the station mean
19704.8 C+0.78 C
19714.6 C+0.55 C
19723.1 C-0.93 C
19735.0 C+0.97 C
19743.6 C-0.43 C
19754.6 C+0.52 C
19763.0 C-1.05 C
19774.4 C+0.40 C
19783.3 C-0.78 C
19794.2 C+0.17 C
19803.4 C-0.63 C
19814.7 C+0.64 C
19823.8 C-0.25 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

1970 to 1983
Yearly extremes at Petawawa A: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)38.9 C (102.0 F)197534.0 C (93.1 F)14
Coldest night (TNn)-41.1 C (-42.0 F)1976-37.7 C (-35.8 F)14
Wettest day (Rx1day)59.2 mm (2.3 in)197335.0 mm (1.4 in)14
Wettest five days (Rx5day)103.0 mm (4.1 in)198163.4 mm (2.5 in)14
Longest dry spell (CDD)34 days197817 days14

Hottest day (TXx)

Hottest day (TXx) at Petawawa A by year The hottest day of the year at Petawawa A, 1970 to 1983. The record is 38.9 C (102.0 F) in 1975, marked on the chart; the median year is 34.0 C (93.1 F). 303234363840197019751980Record: 38.9 C (102.0 F) in 1975
The hottest day of the year at Petawawa A, 1970 to 1983. The record is 38.9 C (102.0 F) in 1975, marked on the chart; the median year is 34.0 C (93.1 F).
Hottest day (TXx) at Petawawa A by year
YearHottest day (TXx)
197032.8 C (91.0 F)
197134.4 C (93.9 F)
197234.4 C (93.9 F)
197333.9 C (93.0 F)
197432.8 C (91.0 F)
197538.9 C (102.0 F)
197632.8 C (91.0 F)
197738.5 C (101.3 F)
197833.9 C (93.0 F)
197933.1 C (91.6 F)
198031.6 C (88.9 F)
198134.0 C (93.2 F)
198235.3 C (95.5 F)
198334.2 C (93.6 F)

Coldest night (TNn)

Coldest night (TNn) at Petawawa A by year The coldest night of the year at Petawawa A, 1970 to 1983. The record is -41.1 C (-42.0 F) in 1976, marked on the chart; the median year is -37.7 C (-35.8 F). -42.5-40-37.5-35-32.5-30197019751980Record: -41.1 C (-42.0 F) in 1976
The coldest night of the year at Petawawa A, 1970 to 1983. The record is -41.1 C (-42.0 F) in 1976, marked on the chart; the median year is -37.7 C (-35.8 F).
Coldest night (TNn) at Petawawa A by year
YearColdest night (TNn)
1970-39.4 C (-38.9 F)
1971-39.4 C (-38.9 F)
1972-38.3 C (-36.9 F)
1973-37.2 C (-35.0 F)
1974-33.9 C (-29.0 F)
1975-34.4 C (-29.9 F)
1976-41.1 C (-42.0 F)
1977-37.7 C (-35.9 F)
1978-31.6 C (-24.9 F)
1979-36.8 C (-34.2 F)
1980-37.3 C (-35.1 F)
1981-41.0 C (-41.8 F)
1982-37.6 C (-35.7 F)
1983-37.9 C (-36.2 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Petawawa A by year The wettest day of the year at Petawawa A, 1970 to 1983. The record is 59.2 mm (2.3 in) in 1973, marked on the chart; the median year is 35.0 mm (1.4 in). 2030405060197019751980Record: 59.2 mm (2.3 in) in 1973
The wettest day of the year at Petawawa A, 1970 to 1983. The record is 59.2 mm (2.3 in) in 1973, marked on the chart; the median year is 35.0 mm (1.4 in).
Wettest day (Rx1day) at Petawawa A by year
YearWettest day (Rx1day)
197042.9 mm (1.7 in)
197126.2 mm (1.0 in)
197234.3 mm (1.4 in)
197359.2 mm (2.3 in)
197432.0 mm (1.3 in)
197531.2 mm (1.2 in)
197636.1 mm (1.4 in)
197732.8 mm (1.3 in)
197835.6 mm (1.4 in)
197936.6 mm (1.4 in)
198045.0 mm (1.8 in)
198140.8 mm (1.6 in)
198229.0 mm (1.1 in)
198324.8 mm (1.0 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Petawawa A by year The wettest five days of the year at Petawawa A, 1970 to 1983. The record is 103.0 mm (4.1 in) in 1981, marked on the chart; the median year is 63.4 mm (2.5 in). 406080100120197019751980Record: 103.0 mm (4.1 in) in 1981
The wettest five days of the year at Petawawa A, 1970 to 1983. The record is 103.0 mm (4.1 in) in 1981, marked on the chart; the median year is 63.4 mm (2.5 in).
Wettest five days (Rx5day) at Petawawa A by year
YearWettest five days (Rx5day)
197063.5 mm (2.5 in)
197148.8 mm (1.9 in)
197285.6 mm (3.4 in)
197394.0 mm (3.7 in)
197462.6 mm (2.5 in)
197561.5 mm (2.4 in)
197665.3 mm (2.6 in)
197766.6 mm (2.6 in)
197869.4 mm (2.7 in)
197963.2 mm (2.5 in)
198062.8 mm (2.5 in)
1981103.0 mm (4.1 in)
198258.4 mm (2.3 in)
198344.8 mm (1.8 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Petawawa A by year The longest dry spell of the year at Petawawa A, 1970 to 1983. The record is 34 days in 1978, marked on the chart; the median year is 17 days. 10203040197019751980Record: 34 days in 1978
The longest dry spell of the year at Petawawa A, 1970 to 1983. The record is 34 days in 1978, marked on the chart; the median year is 17 days.
Longest dry spell (CDD) at Petawawa A by year
YearLongest dry spell (CDD)
197022 days
197118 days
197213 days
197311 days
197411 days
197524 days
197613 days
197719 days
197834 days
197912 days
198028 days
198122 days
198215 days
198312 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 Petawawa A standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Petawawa A 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 . Last revised (2026-10-14).