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Ilderton Bear Creek Weather Records (CA006143722)

Record envelope, standing records and threshold days for Ilderton Bear Creek (CA006143722), Ontario, Canada, with 31 years of record.

Key Facts for Ilderton Bear Creek

  • Ilderton Bear Creek (CA006143722) is a weather station in Ontario, Canada at 43.05 latitude and -81.43 longitude, 267 m (876 ft) above sea level.
  • The station reports from 1971 to 2001, 31 years of record.
  • 1,464 records set at Ilderton Bear Creek 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, 43.05 latitude, -81.43 longitude.
  • Elevation: 267 m (876 ft).
  • Period of record: 1971 to 2001, 31 years.
  • Eligible elements: none yet.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Ilderton Bear Creek, with 2026 drawn through them The band shows the record high and record low for each calendar day at Ilderton Bear Creek. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. -40-2002040 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Ilderton Bear Creek. 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 Ilderton Bear Creek, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jan10.6 C (51.1 F)-31.1 C (-24.0 F)n/an/a
Feb12.8 C (55.0 F)-25.6 C (-14.1 F)n/an/a
Mar22.2 C (72.0 F)-26.7 C (-16.1 F)n/an/a
Apr28.9 C (84.0 F)-13.0 C (8.6 F)n/an/a
May31.7 C (89.1 F)-2.2 C (28.0 F)n/an/a
Jun35.6 C (96.1 F)-1.1 C (30.0 F)n/an/a
Jul35.0 C (95.0 F)5.5 C (41.9 F)n/an/a
Aug32.8 C (91.0 F)2.5 C (36.5 F)n/an/a
Sep33.5 C (92.3 F)-1.7 C (28.9 F)n/an/a
Oct28.3 C (82.9 F)-7.2 C (19.0 F)n/an/a
Nov22.2 C (72.0 F)-13.3 C (8.1 F)n/an/a
Dec19.0 C (66.2 F)-23.0 C (-9.4 F)n/an/a

Which Years Hold Standing Records

1,464 standing records
Standing records at Ilderton Bear Creek by the year they were set 1,464 records at Ilderton Bear Creek still stand. 1976 holds the most, with 149. 0501001501971: 1021972: 1201973: 1411974: 1001975: 1171976: 1491977: 1211978: 551979: 1171980: 1011981: 1011982: 1251983: 1151971197319751977197919811983
1,464 records at Ilderton Bear Creek still stand. 1976 holds the most, with 149.
Standing records at Ilderton Bear Creek by the year they were set
Year setStanding records
1971102
1972120
1973141
1974100
1975117
1976149
1977121
197855
1979117
1980101
1981101
1982125
1983115

Wettest Day of Each Month

Apr: 65.2 mm (2.6 in)
Record daily precipitation for each month at Ilderton Bear Creek The wettest day on record for each calendar month at Ilderton Bear Creek. The most was 65.2 mm (2.6 in) on 13 April 1979. 020406080 Jan: 31.8 mm (1.3 in), 26 January 1978 Jan Feb: 36.2 mm (1.4 in), 10 February 1981 Feb Mar: 34.6 mm (1.4 in), 30 March 1982 Mar Apr: 65.2 mm (2.6 in), 13 April 1979 Apr May: 41.9 mm (1.6 in), 6 May 1976 May Jun: 38.8 mm (1.5 in), 27 June 1983 Jun Jul: 46.7 mm (1.8 in), 25 July 1973 Jul Aug: 55.6 mm (2.2 in), 24 August 1982 Aug Sep: 65.0 mm (2.6 in), 17 September 1976 Sep Oct: 52.6 mm (2.1 in), 22 October 1972 Oct Nov: 30.2 mm (1.2 in), 25 November 1979 Nov Dec: 53.3 mm (2.1 in), 6 December 1977 Dec
The wettest day on record for each calendar month at Ilderton Bear Creek. The most was 65.2 mm (2.6 in) on 13 April 1979.
Record daily precipitation for each month at Ilderton Bear Creek
MonthRecord daily precipitation (mm)Date
Jan31.8 mm (1.3 in)26 January 1978
Feb36.2 mm (1.4 in)10 February 1981
Mar34.6 mm (1.4 in)30 March 1982
Apr65.2 mm (2.6 in)13 April 1979
May41.9 mm (1.6 in)6 May 1976
Jun38.8 mm (1.5 in)27 June 1983
Jul46.7 mm (1.8 in)25 July 1973
Aug55.6 mm (2.2 in)24 August 1982
Sep65.0 mm (2.6 in)17 September 1976
Oct52.6 mm (2.1 in)22 October 1972
Nov30.2 mm (1.2 in)25 November 1979
Dec53.3 mm (2.1 in)6 December 1977

Period of Record Coverage

1971 to 1983
Days with data per year at Ilderton Bear Creek 13 years of record at Ilderton Bear Creek, 1971 to 1983. 3 years have data for under 90 percent of days and are left out of rankings: 1971, 1978, 1979. 1971: 261 of 365 days1972: 366 of 366 days1973: 365 of 365 days1974: 365 of 365 days1975: 364 of 365 days1976: 363 of 366 days1977: 365 of 365 days1978: 212 of 365 days1979: 306 of 365 days1980: 366 of 366 days1981: 365 of 365 days1982: 365 of 365 days1983: 365 of 365 days19751980
13 years of record at Ilderton Bear Creek, 1971 to 1983. 3 years have data for under 90 percent of days and are left out of rankings: 1971, 1978, 1979.
Days with data per year at Ilderton Bear Creek
YearDays with dataShare of yearComplete
197126172%No
1972366100%Yes
1973365100%Yes
1974365100%Yes
1975364100%Yes
197636399%Yes
1977365100%Yes
197821258%No
197930684%No
1980366100%Yes
1981365100%Yes
1982365100%Yes
1983365100%Yes

Latest Records

0

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

Climate Trend

10 complete years, 1972 to 1983
Annual mean temperature at Ilderton Bear Creek as warming stripes, 1972 to 1983 One stripe for each of 10 complete years at Ilderton Bear Creek, 1972 to 1983. Blue stripes are years cooler than the station's own mean of 7.6 C (45.6 F); red stripes are warmer. The coolest year was 1972, at 6.7 C (44.1 F), and the warmest was 1973, at 8.6 C (47.5 F). The strongest colour marks a difference of 1.1 C (2.0 F). 1972: 6.7 C, -0.9 C from the station mean1973: 8.6 C, +1.0 C from the station mean1974: 7.4 C, -0.2 C from the station mean1975: 8.0 C, +0.5 C from the station mean1976: 6.8 C, -0.8 C from the station mean1977: 7.6 C, 0.0 C from the station mean1980: 7.1 C, -0.5 C from the station mean1981: 7.6 C, 0.0 C from the station mean1982: 7.7 C, +0.1 C from the station mean1983: 8.3 C, +0.7 C from the station mean197219741976197819801982
One stripe for each of 10 complete years at Ilderton Bear Creek, 1972 to 1983. Blue stripes are years cooler than the station's own mean of 7.6 C (45.6 F); red stripes are warmer. The coolest year was 1972, at 6.7 C (44.1 F), and the warmest was 1973, at 8.6 C (47.5 F). The strongest colour marks a difference of 1.1 C (2.0 F).
Annual mean temperature at Ilderton Bear Creek as warming stripes, 1972 to 1983
YearAnnual mean temperatureDifference from the station mean
19726.7 C-0.86 C
19738.6 C+1.04 C
19747.4 C-0.20 C
19758.0 C+0.46 C
19766.8 C-0.75 C
19777.6 C-0.01 C
19807.1 C-0.51 C
19817.6 C+0.03 C
19827.7 C+0.08 C
19838.3 C+0.74 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

1971 to 1983
Yearly extremes at Ilderton Bear Creek: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Hottest day (TXx)35.6 C (96.1 F)197132.8 C (91.0 F)13
Coldest night (TNn)-31.1 C (-24.0 F)1976-23.9 C (-11.0 F)13
Wettest day (Rx1day)65.2 mm (2.6 in)197946.7 mm (1.8 in)13
Wettest five days (Rx5day)141.9 mm (5.6 in)197771.1 mm (2.8 in)13
Longest dry spell (CDD)27 days197314 days13

Hottest day (TXx)

Hottest day (TXx) at Ilderton Bear Creek by year The hottest day of the year at Ilderton Bear Creek, 1971 to 1983. The record is 35.6 C (96.1 F) in 1971, marked on the chart; the median year is 32.8 C (91.0 F). 3032343619751980Record: 35.6 C (96.1 F) in 1971
The hottest day of the year at Ilderton Bear Creek, 1971 to 1983. The record is 35.6 C (96.1 F) in 1971, marked on the chart; the median year is 32.8 C (91.0 F).
Hottest day (TXx) at Ilderton Bear Creek by year
YearHottest day (TXx)
197135.6 C (96.1 F)
197232.8 C (91.0 F)
197332.8 C (91.0 F)
197432.8 C (91.0 F)
197533.3 C (91.9 F)
197631.1 C (88.0 F)
197735.0 C (95.0 F)
197831.5 C (88.7 F)
197931.5 C (88.7 F)
198032.0 C (89.6 F)
198132.0 C (89.6 F)
198231.0 C (87.8 F)
198334.5 C (94.1 F)

Coldest night (TNn)

Coldest night (TNn) at Ilderton Bear Creek by year The coldest night of the year at Ilderton Bear Creek, 1971 to 1983. The record is -31.1 C (-24.0 F) in 1976, marked on the chart; the median year is -23.9 C (-11.0 F). -35-30-25-20-15-1019751980Record: -31.1 C (-24.0 F) in 1976
The coldest night of the year at Ilderton Bear Creek, 1971 to 1983. The record is -31.1 C (-24.0 F) in 1976, marked on the chart; the median year is -23.9 C (-11.0 F).
Coldest night (TNn) at Ilderton Bear Creek by year
YearColdest night (TNn)
1971-12.8 C (9.0 F)
1972-23.9 C (-11.0 F)
1973-25.6 C (-14.1 F)
1974-22.2 C (-8.0 F)
1975-20.6 C (-5.1 F)
1976-31.1 C (-24.0 F)
1977-27.2 C (-17.0 F)
1978-26.7 C (-16.1 F)
1979-14.0 C (6.8 F)
1980-23.0 C (-9.4 F)
1981-26.0 C (-14.8 F)
1982-26.0 C (-14.8 F)
1983-23.0 C (-9.4 F)

Wettest day (Rx1day)

Wettest day (Rx1day) at Ilderton Bear Creek by year The wettest day of the year at Ilderton Bear Creek, 1971 to 1983. The record is 65.2 mm (2.6 in) in 1979, marked on the chart; the median year is 46.7 mm (1.8 in). 20304050607019751980Record: 65.2 mm (2.6 in) in 1979
The wettest day of the year at Ilderton Bear Creek, 1971 to 1983. The record is 65.2 mm (2.6 in) in 1979, marked on the chart; the median year is 46.7 mm (1.8 in).
Wettest day (Rx1day) at Ilderton Bear Creek by year
YearWettest day (Rx1day)
197153.8 mm (2.1 in)
197252.6 mm (2.1 in)
197346.7 mm (1.8 in)
197428.4 mm (1.1 in)
197538.9 mm (1.5 in)
197665.0 mm (2.6 in)
197753.6 mm (2.1 in)
197831.8 mm (1.3 in)
197965.2 mm (2.6 in)
198031.4 mm (1.2 in)
198137.4 mm (1.5 in)
198255.6 mm (2.2 in)
198338.8 mm (1.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Ilderton Bear Creek by year The wettest five days of the year at Ilderton Bear Creek, 1971 to 1983. The record is 141.9 mm (5.6 in) in 1977, marked on the chart; the median year is 71.1 mm (2.8 in). 507510012515019751980Record: 141.9 mm (5.6 in) in 1977
The wettest five days of the year at Ilderton Bear Creek, 1971 to 1983. The record is 141.9 mm (5.6 in) in 1977, marked on the chart; the median year is 71.1 mm (2.8 in).
Wettest five days (Rx5day) at Ilderton Bear Creek by year
YearWettest five days (Rx5day)
197175.2 mm (3.0 in)
197271.1 mm (2.8 in)
197361.2 mm (2.4 in)
197456.4 mm (2.2 in)
197586.9 mm (3.4 in)
197676.0 mm (3.0 in)
1977141.9 mm (5.6 in)
197867.4 mm (2.7 in)
197989.4 mm (3.5 in)
198051.2 mm (2.0 in)
198170.4 mm (2.8 in)
198268.2 mm (2.7 in)
198390.1 mm (3.5 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Ilderton Bear Creek by year The longest dry spell of the year at Ilderton Bear Creek, 1971 to 1983. The record is 27 days in 1973, marked on the chart; the median year is 14 days. 101520253019751980Record: 27 days in 1973
The longest dry spell of the year at Ilderton Bear Creek, 1971 to 1983. The record is 27 days in 1973, marked on the chart; the median year is 14 days.
Longest dry spell (CDD) at Ilderton Bear Creek by year
YearLongest dry spell (CDD)
197114 days
197212 days
197327 days
197411 days
197513 days
197614 days
197715 days
197818 days
197916 days
198012 days
198112 days
198211 days
198317 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 Ilderton Bear Creek standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Ilderton Bear Creek 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).