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Built 2026-10-17 (17 October 2026)

Toronto Deer Park Weather Records (CA006158417)

Record envelope, standing records and threshold days for Toronto Deer Park (CA006158417), Ontario, Canada, with 44 years of record.

Key Facts for Toronto Deer Park

  • Toronto Deer Park (CA006158417) is a weather station in Ontario, Canada at 43.68 latitude and -79.38 longitude, 144 m (472 ft) above sea level.
  • The station reports from 1890 to 1933, 44 years of record.
  • 0 records set at Toronto Deer Park still stand.
  • Records are tracked for prcp, snow: an element needs 30 years of data to be eligible.
  • Toronto Deer Park set a daily record snowfall of 14.0 cm (5.5 in) on 16 November 1932.

About the Station

  • Location: Ontario, Canada, 43.68 latitude, -79.38 longitude.
  • Elevation: 144 m (472 ft).
  • Period of record: 1890 to 1933, 44 years.
  • Eligible elements: prcp, snow.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Toronto Deer Park, with 2026 drawn through them The band shows the record high and record low for each calendar day at Toronto Deer Park. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Toronto Deer Park. 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 Toronto Deer Park, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Which Years Hold Standing Records

0 standing records
Standing records at Toronto Deer Park by the year they were set 0 records at Toronto Deer Park still stand. 00000000000
0 records at Toronto Deer Park still stand.
Standing records at Toronto Deer Park by the year they were set
Year setStanding records

Wettest Day of Each Month

Aug: 90.7 mm (3.6 in)
Record daily precipitation for each month at Toronto Deer Park The wettest day on record for each calendar month at Toronto Deer Park. The most was 90.7 mm (3.6 in) on 15 August 1905. 0255075100 Jan: 40.6 mm (1.6 in), 1 January 1891 Jan Feb: 38.9 mm (1.5 in), 23 February 1925 Feb Mar: 47.8 mm (1.9 in), 1 March 1900 Mar Apr: 48.3 mm (1.9 in), 21 April 1893 Apr May: 61.5 mm (2.4 in), 20 May 1894 May Jun: 61.2 mm (2.4 in), 18 June 1917 Jun Jul: 57.2 mm (2.3 in), 27 July 1897 Jul Aug: 90.7 mm (3.6 in), 15 August 1905 Aug Sep: 60.5 mm (2.4 in), 24 September 1904 Sep Oct: 65.0 mm (2.6 in), 14 October 1893 Oct Nov: 48.8 mm (1.9 in), 23 November 1909 Nov Dec: 52.8 mm (2.1 in), 15 December 1893 Dec
The wettest day on record for each calendar month at Toronto Deer Park. The most was 90.7 mm (3.6 in) on 15 August 1905.
Record daily precipitation for each month at Toronto Deer Park
MonthRecord daily precipitation (mm)Date
Jan40.6 mm (1.6 in)1 January 1891
Feb38.9 mm (1.5 in)23 February 1925
Mar47.8 mm (1.9 in)1 March 1900
Apr48.3 mm (1.9 in)21 April 1893
May61.5 mm (2.4 in)20 May 1894
Jun61.2 mm (2.4 in)18 June 1917
Jul57.2 mm (2.3 in)27 July 1897
Aug90.7 mm (3.6 in)15 August 1905
Sep60.5 mm (2.4 in)24 September 1904
Oct65.0 mm (2.6 in)14 October 1893
Nov48.8 mm (1.9 in)23 November 1909
Dec52.8 mm (2.1 in)15 December 1893

Latest Records

20
Latest records at Toronto Deer Park
DateStationRecordValueBeat old record byOld record stoodSignificance
16 November 1932Toronto Deer Park, CAdaily snowfall14.0 cm (5.5 in)6.4 cm (2.5 in)16 years23 of 100 (Routine)
31 October 1932Toronto Deer Park, CAdaily rain19.1 mm (0.8 in)6.1 mm (0.24 in)16 years14 of 100 (Routine)
28 September 1932Toronto Deer Park, CAdaily rain29.5 mm (1.2 in)3.3 mm (0.13 in)24 years14 of 100 (Routine)
19 September 1932Toronto Deer Park, CAdaily rain17.3 mm (0.7 in)2.8 mm (0.11 in)35 years16 of 100 (Routine)
4 September 1932Toronto Deer Park, CAdaily rain18.0 mm (0.7 in)11.4 mm (0.4 in)18 years19 of 100 (Routine)
18 August 1932Toronto Deer Park, CAdaily rain39.4 mm (1.6 in)22.6 mm (0.9 in)18 years29 of 100 (Routine)
26 July 1932Toronto Deer Park, CAdaily rain10.9 mm (0.4 in)0.2 mm (0.01 in)31 years13 of 100 (Routine)
26 May 1932Toronto Deer Park, CAdaily rain (Tie)17.0 mm (0.7 in)tie10 years1 of 100 (Routine)
13 April 1932Toronto Deer Park, CAdaily snowfall5.3 cm (2.1 in)0.7 cm (0.3 in)12 years9 of 100 (Routine)
11 February 1932Toronto Deer Park, CAdaily rain20.1 mm (0.8 in)7.9 mm (0.31 in)16 years19 of 100 (Routine)
13 January 1932Toronto Deer Park, CAdaily rain11.9 mm (0.5 in)4.8 mm (0.19 in)14 years14 of 100 (Routine)
2 January 1932Toronto Deer Park, CAdaily rain27.9 mm (1.1 in)8.3 mm (0.33 in)38 years26 of 100 (Routine)
24 December 1931Toronto Deer Park, CAdaily rain18.5 mm (0.7 in)0.5 mm (0.02 in)17 years9 of 100 (Routine)
27 November 1931Toronto Deer Park, CAdaily snowfall (Tie)1.3 cm (0.5 in)tie0 years1 of 100 (Routine)
15 October 1931Toronto Deer Park, CAdaily rain5.6 mm (0.22 in)3.3 mm (0.13 in)25 years14 of 100 (Routine)
25 September 1931Toronto Deer Park, CAdaily rain24.9 mm (1.0 in)3.8 mm (0.15 in)4 years8 of 100 (Routine)
7 June 1931Toronto Deer Park, CAdaily rain27.9 mm (1.1 in)5.3 mm (0.21 in)16 years15 of 100 (Routine)
28 March 1931Toronto Deer Park, CAdaily rain19.1 mm (0.8 in)6.7 mm (0.26 in)22 years19 of 100 (Routine)
28 March 1931Toronto Deer Park, CAdaily snowfall (Tie)0.8 cm (0.3 in)tie20 years2 of 100 (Routine)
11 March 1931Toronto Deer Park, CAdaily snowfall1.5 cm (0.6 in)0.7 cm (0.3 in)35 years15 of 100 (Routine)

Extremes by Year

1890 to 1933
Yearly extremes at Toronto Deer Park: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)90.7 mm (3.6 in)190547.7 mm (1.9 in)44
Wettest five days (Rx5day)166.7 mm (6.6 in)189459.4 mm (2.3 in)44
Longest dry spell (CDD)51 days190418 days44

Wettest day (Rx1day)

Wettest day (Rx1day) at Toronto Deer Park by year The wettest day of the year at Toronto Deer Park, 1890 to 1933. The record is 90.7 mm (3.6 in) in 1905, marked on the chart; the median year is 47.7 mm (1.9 in). 02040608010018901900191019201930Record: 90.7 mm (3.6 in) in 1905
The wettest day of the year at Toronto Deer Park, 1890 to 1933. The record is 90.7 mm (3.6 in) in 1905, marked on the chart; the median year is 47.7 mm (1.9 in).
Wettest day (Rx1day) at Toronto Deer Park by year
YearWettest day (Rx1day)
189047.8 mm (1.9 in)
189156.9 mm (2.2 in)
189239.9 mm (1.6 in)
189372.6 mm (2.9 in)
189461.5 mm (2.4 in)
189535.6 mm (1.4 in)
189628.7 mm (1.1 in)
189757.2 mm (2.3 in)
189850.8 mm (2.0 in)
189948.8 mm (1.9 in)
190047.8 mm (1.9 in)
190128.7 mm (1.1 in)
190240.6 mm (1.6 in)
190347.5 mm (1.9 in)
190460.5 mm (2.4 in)
190590.7 mm (3.6 in)
190660.7 mm (2.4 in)
190748.5 mm (1.9 in)
190841.1 mm (1.6 in)
190948.8 mm (1.9 in)
191051.6 mm (2.0 in)
191134.8 mm (1.4 in)
191247.8 mm (1.9 in)
191335.3 mm (1.4 in)
191425.9 mm (1.0 in)
191555.4 mm (2.2 in)
191643.7 mm (1.7 in)
191761.2 mm (2.4 in)
191843.9 mm (1.7 in)
191955.9 mm (2.2 in)
192033.0 mm (1.3 in)
192135.8 mm (1.4 in)
192256.1 mm (2.2 in)
192333.5 mm (1.3 in)
192452.1 mm (2.1 in)
192538.9 mm (1.5 in)
192637.3 mm (1.5 in)
192755.6 mm (2.2 in)
192859.2 mm (2.3 in)
192943.7 mm (1.7 in)
193034.3 mm (1.4 in)
193127.9 mm (1.1 in)
193239.4 mm (1.6 in)
193314.7 mm (0.6 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Toronto Deer Park by year The wettest five days of the year at Toronto Deer Park, 1890 to 1933. The record is 166.7 mm (6.6 in) in 1894, marked on the chart; the median year is 59.4 mm (2.3 in). 05010015020018901900191019201930Record: 166.7 mm (6.6 in) in 1894
The wettest five days of the year at Toronto Deer Park, 1890 to 1933. The record is 166.7 mm (6.6 in) in 1894, marked on the chart; the median year is 59.4 mm (2.3 in).
Wettest five days (Rx5day) at Toronto Deer Park by year
YearWettest five days (Rx5day)
189061.2 mm (2.4 in)
189159.7 mm (2.4 in)
189261.0 mm (2.4 in)
189379.2 mm (3.1 in)
1894166.7 mm (6.6 in)
189555.9 mm (2.2 in)
189645.7 mm (1.8 in)
189791.3 mm (3.6 in)
189851.6 mm (2.0 in)
189954.1 mm (2.1 in)
190048.6 mm (1.9 in)
190153.6 mm (2.1 in)
190262.5 mm (2.5 in)
190359.2 mm (2.3 in)
190468.4 mm (2.7 in)
1905101.4 mm (4.0 in)
190660.7 mm (2.4 in)
190754.6 mm (2.1 in)
190853.8 mm (2.1 in)
190957.6 mm (2.3 in)
191071.9 mm (2.8 in)
191137.1 mm (1.5 in)
191287.4 mm (3.4 in)
191348.8 mm (1.9 in)
191441.2 mm (1.6 in)
191569.1 mm (2.7 in)
191659.5 mm (2.3 in)
191777.5 mm (3.1 in)
191846.2 mm (1.8 in)
191955.9 mm (2.2 in)
192039.4 mm (1.6 in)
192178.5 mm (3.1 in)
192261.2 mm (2.4 in)
192349.6 mm (2.0 in)
192462.0 mm (2.4 in)
192549.4 mm (1.9 in)
192673.6 mm (2.9 in)
192785.3 mm (3.4 in)
192891.4 mm (3.6 in)
192984.6 mm (3.3 in)
193040.4 mm (1.6 in)
193139.4 mm (1.6 in)
193258.4 mm (2.3 in)
193324.4 mm (1.0 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Toronto Deer Park by year The longest dry spell of the year at Toronto Deer Park, 1890 to 1933. The record is 51 days in 1904, marked on the chart; the median year is 18 days. 10203040506018901900191019201930Record: 51 days in 1904
The longest dry spell of the year at Toronto Deer Park, 1890 to 1933. The record is 51 days in 1904, marked on the chart; the median year is 18 days.
Longest dry spell (CDD) at Toronto Deer Park by year
YearLongest dry spell (CDD)
189013 days
189115 days
189216 days
189317 days
189448 days
189523 days
189613 days
189723 days
189822 days
189922 days
190014 days
190114 days
190221 days
190316 days
190451 days
190521 days
190619 days
190716 days
190826 days
190920 days
191018 days
191114 days
191219 days
191315 days
191416 days
191516 days
191636 days
191725 days
191818 days
191920 days
192020 days
192118 days
192218 days
192316 days
192436 days
192523 days
192616 days
192717 days
192814 days
192917 days
193016 days
193116 days
193221 days
193312 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.

Rainfall Return Levels

42 years, 1891 to 1932

A day with at least 45.6 mm (1.8 in) of rain is expected about once in 2 years. A day with at least 82.6 mm (3.3 in) of rain is expected about once in 100 years.

Rainfall return levels at Toronto Deer Park: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years45.6 mm (1.8 in)
5 years57.3 mm (2.3 in)
10 years64.3 mm (2.5 in)
25 years72.2 mm (2.8 in)
50 years77.6 mm (3.1 in)Longer than the 42 years of record
100 years82.6 mm (3.3 in)Longer than the 42 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 42 years of values from 1891 to 1932.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 90.7 mm (3.6 in) in 1905; 72.6 mm (2.9 in) in 1893; 61.5 mm (2.4 in) in 1894.

Download the Data

  • Data for Toronto Deer Park standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Toronto Deer Park 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 2026-10-15 (15 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).