Record highRecord low2026 daily maximum2026 daily minimum
The band shows the record high and record low for each calendar day at Toronto Wwtp. 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 Wwtp, with 2026 drawn through them
Month
Highest record high
Lowest record low
2026 highest maximum
2026 lowest minimum
Jan
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Feb
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Mar
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Apr
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May
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Jun
n/a
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Jul
n/a
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Aug
n/a
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Sep
n/a
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Oct
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Nov
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Dec
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Which Years Hold Standing Records
0 standing records
0 records at Toronto Wwtp still stand.
Standing records at Toronto Wwtp by the year they were set
Year set
Standing records
Wettest Day of Each Month
Feb: 275.0 mm (10.8 in)
The wettest day on record for each calendar month at Toronto Wwtp. The most was 275.0 mm (10.8 in) on 3 February 1990.
Record daily precipitation for each month at Toronto Wwtp
Yearly extremes at Toronto Wwtp: the record and the median year
Measure
Record
Year of the record
Median year
Years with a value
Wettest day (Rx1day)
275.0 mm (10.8 in)
1990
82.0 mm (3.2 in)
47
Wettest five days (Rx5day)
464.0 mm (18.3 in)
1990
127.0 mm (5.0 in)
47
Longest dry spell (CDD)
65 days
1995
21 days
47
Wettest day (Rx1day)
The wettest day of the year at Toronto Wwtp, 1972 to 2018. The record is 275.0 mm (10.8 in) in 1990, marked on the chart; the median year is 82.0 mm (3.2 in).
Wettest day (Rx1day) at Toronto Wwtp by year
Year
Wettest day (Rx1day)
1972
55.9 mm (2.2 in)
1973
90.9 mm (3.6 in)
1974
120.0 mm (4.7 in)
1975
102.0 mm (4.0 in)
1976
166.4 mm (6.6 in)
1977
175.0 mm (6.9 in)
1978
148.8 mm (5.9 in)
1979
66.6 mm (2.6 in)
1980
54.6 mm (2.1 in)
1981
239.0 mm (9.4 in)
1982
127.0 mm (5.0 in)
1983
100.0 mm (3.9 in)
1984
132.2 mm (5.2 in)
1985
70.0 mm (2.8 in)
1986
82.0 mm (3.2 in)
1987
95.0 mm (3.7 in)
1988
90.0 mm (3.5 in)
1989
140.0 mm (5.5 in)
1990
275.0 mm (10.8 in)
1991
55.0 mm (2.2 in)
1992
140.0 mm (5.5 in)
1993
56.0 mm (2.2 in)
1994
51.0 mm (2.0 in)
1995
54.0 mm (2.1 in)
1996
71.0 mm (2.8 in)
1997
68.0 mm (2.7 in)
1998
63.0 mm (2.5 in)
1999
103.0 mm (4.1 in)
2000
68.0 mm (2.7 in)
2001
75.0 mm (3.0 in)
2002
92.0 mm (3.6 in)
2003
33.8 mm (1.3 in)
2004
87.2 mm (3.4 in)
2005
68.2 mm (2.7 in)
2006
129.6 mm (5.1 in)
2007
251.2 mm (9.9 in)
2008
79.0 mm (3.1 in)
2009
31.0 mm (1.2 in)
2010
54.5 mm (2.1 in)
2011
61.0 mm (2.4 in)
2012
127.0 mm (5.0 in)
2013
72.0 mm (2.8 in)
2014
50.0 mm (2.0 in)
2015
49.0 mm (1.9 in)
2016
166.0 mm (6.5 in)
2017
48.0 mm (1.9 in)
2018
100.0 mm (3.9 in)
Wettest five days (Rx5day)
The wettest five days of the year at Toronto Wwtp, 1972 to 2018. The record is 464.0 mm (18.3 in) in 1990, marked on the chart; the median year is 127.0 mm (5.0 in).
Wettest five days (Rx5day) at Toronto Wwtp by year
Year
Wettest five days (Rx5day)
1972
55.9 mm (2.2 in)
1973
161.0 mm (6.3 in)
1974
191.6 mm (7.5 in)
1975
176.8 mm (7.0 in)
1976
182.6 mm (7.2 in)
1977
272.0 mm (10.7 in)
1978
280.4 mm (11.0 in)
1979
151.4 mm (6.0 in)
1980
78.0 mm (3.1 in)
1981
356.0 mm (14.0 in)
1982
197.4 mm (7.8 in)
1983
141.0 mm (5.6 in)
1984
184.3 mm (7.3 in)
1985
164.8 mm (6.5 in)
1986
142.0 mm (5.6 in)
1987
127.0 mm (5.0 in)
1988
169.0 mm (6.7 in)
1989
201.0 mm (7.9 in)
1990
464.0 mm (18.3 in)
1991
129.0 mm (5.1 in)
1992
177.0 mm (7.0 in)
1993
72.5 mm (2.9 in)
1994
71.0 mm (2.8 in)
1995
126.5 mm (5.0 in)
1996
102.5 mm (4.0 in)
1997
114.5 mm (4.5 in)
1998
124.0 mm (4.9 in)
1999
104.0 mm (4.1 in)
2000
120.0 mm (4.7 in)
2001
181.5 mm (7.1 in)
2002
116.4 mm (4.6 in)
2003
68.4 mm (2.7 in)
2004
123.6 mm (4.9 in)
2005
71.4 mm (2.8 in)
2006
158.6 mm (6.2 in)
2007
339.6 mm (13.4 in)
2008
168.6 mm (6.6 in)
2009
53.0 mm (2.1 in)
2010
87.5 mm (3.4 in)
2011
61.0 mm (2.4 in)
2012
146.0 mm (5.7 in)
2013
84.5 mm (3.3 in)
2014
89.0 mm (3.5 in)
2015
84.0 mm (3.3 in)
2016
16.5 mm (0.6 in)
2017
59.5 mm (2.3 in)
2018
123.5 mm (4.9 in)
Longest dry spell (CDD)
The longest dry spell of the year at Toronto Wwtp, 1972 to 2018. The record is 65 days in 1995, marked on the chart; the median year is 21 days.
Longest dry spell (CDD) at Toronto Wwtp by year
Year
Longest dry spell (CDD)
1972
8 days
1973
15 days
1974
35 days
1975
33 days
1976
15 days
1977
35 days
1978
23 days
1979
21 days
1980
45 days
1981
31 days
1982
25 days
1983
13 days
1984
20 days
1985
19 days
1986
30 days
1987
14 days
1988
30 days
1989
22 days
1990
16 days
1991
31 days
1992
15 days
1993
21 days
1994
26 days
1995
65 days
1996
21 days
1997
13 days
1998
13 days
1999
11 days
2000
16 days
2001
25 days
2002
12 days
2003
38 days
2004
20 days
2005
51 days
2006
26 days
2007
21 days
2008
25 days
2009
23 days
2010
17 days
2011
18 days
2012
23 days
2013
19 days
2014
25 days
2015
36 days
2016
10 days
2017
20 days
2018
34 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 Toronto Wwtp standing records by year: CSV or JSON. Field meanings are on the data page.
Data for Toronto Wwtp 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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.