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What's New in latest Release from April 7th, 2021:

- Updated Glossary, including Speed of Maximum Gust, and Total Hourly Precipitation

- Updated national and regional climate services offices contacts and prices information

- Addition of station inventory lists for 1981-2010, 1971-2000, and 1961-1990 Normals.

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Daily Data Report for January 2017

TORONTO INTL A
ONTARIO

43°40'36.000" N
79°37'50.000" W
173.40 m
6158731
71624
YYZ

Related Data

No related data is available for this station

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Daily Data (2017)
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Daily Data Report for January 2017
DAY Max Temp Definition
°C
 Min Temp Definition
°C
 Mean Temp Definition
°C
 Heat Deg Days Definition

 Cool Deg Days Definition

 Total Rain Definition
mm
 Total Snow Definition
cm
 Total Precip Definition
mm
 Snow on Grnd Definition
cm
 Dir of Max Gust Definition
10's deg

 Spd of Max Gust Definition
km/h
01 1.8 -2.5 -0.4 18.4 0.0 0.0 0.0 0.0 3 27 50
02 4.8 -4.1 0.4 17.6 0.0 LegendTT 0.0 LegendTT 2 10 35
03 4.4 1.7 3.1 14.9 0.0 15.8 0.0 15.8 LegendTT   <31
04 3.5 -8.5 -2.5 20.5 0.0 0.2 LegendTT 0.2 LegendTT 27 80
05 -6.5 -11.9 -9.2 27.2 0.0 0.0 LegendTT LegendTT LegendTT 25 56
06 -7.3 -13.4 -10.4 28.4 0.0 0.0 0.0 0.0 LegendTT 26 43
07 -7.6 -14.2 -10.9 28.9 0.0 0.0 0.0 0.0 LegendTT 28 41
08 -9.0 -13.4 -11.2 29.2 0.0 0.0 LegendTT LegendTT LegendTT 25 50
09 -2.7 -9.5 -6.1 24.1 0.0 0.0 LegendTT LegendTT LegendTT 25 57
10 7.8 -3.1 2.4 15.6 0.0 11.2 7.2 19.0 1 23 74
11 7.3 0.8 4.1 13.9 0.0 6.2 0.0 6.2 LegendTT 25 102
12 8.9 -2.3 3.3 14.7 0.0 10.2 0.0 10.2 LegendTT 26 46
13 -1.6 -8.8 -5.2 23.2 0.0 0.0 LegendTT LegendTT LegendTT 29 56
14 -3.3 -9.1 -6.2 24.2 0.0 0.0 LegendTT LegendTT LegendTT   <31
15 -0.1 -7.2 -3.7 21.7 0.0 0.0 0.0 0.0     <31
16 2.6 -6.3 -1.9 19.9 0.0 0.0 0.0 0.0 LegendTT 26 32
17 1.7 -0.3 0.7 17.3 0.0 12.2 0.0 12.2 LegendTT 9 44
18 3.3 0.7 2.0 16.0 0.0 0.4 0.0 0.4 LegendTT 23 33
19 2.9 0.9 1.9 16.1 0.0 LegendTT 0.0 LegendTT LegendTT   <31
20 3.7 0.7 2.2 15.8 0.0 0.2 0.0 0.2 LegendTT   <31
21 6.3 2.0 4.2 13.8 0.0 LegendTT 0.0 LegendTT LegendTT   <31
22 5.4 1.8 3.6 14.4 0.0 LegendTT 0.0 LegendTT   9 39
23 3.9 0.5 2.2 15.8 0.0 LegendTT 0.0 LegendTT   9 41
24 1.4 -0.7 0.4 17.6 0.0 0.0 0.0 0.0   30 37
25 4.9 -0.6 2.2 15.8 0.0 1.0 LegendTT 1.0     <31
26 4.0 0.2 2.1 15.9 0.0 1.8 LegendTT 1.8   29 56
27 1.8 -1.6 0.1 17.9 0.0 0.0 LegendTT LegendTT LegendTT 28 56
28 -0.9 -2.5 -1.7 19.7 0.0 0.0 0.6 0.4 LegendTT 25 44
29 -1.8 -7.1 -4.5 22.5 0.0 0.0 LegendTT LegendTT LegendTT 29 50
30 -4.6 -10.9 -7.8 25.8 0.0 0.0 0.0 0.0 LegendTT 32 33
31 -2.1 -6.0 -4.1 22.1 0.0 0.0 2.4 2.4 LegendTT 10 35
Sum   608.90.059.210.269.8   
Avg1.1-4.4-1.6        
Xtrm8.9-14.2       25102
Summary, average and extreme values are based on the data above.

Notes on Data Quality.

Legend

  • A = Accumulated
  • C = Precipitation occurred, amount uncertain
  • E = Estimated
  • F = Accumulated and estimated
  • L = Precipitation may or may not have occurred
  • M = Missing
  • N = Temperature missing but known to be > 0
  • S = More than one occurrence
  • T = Trace
  • Y = Temperature missing but known to be   < 0
  • [empty] = Indicates an unobserved value
  • ^ = The value displayed is based on incomplete data
  • † = Data that is not subject to review by the National Climate Archives
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