Ottawa Airport (YOW):
All-Time Records
Times in Eastern Daylight Time (EDT = GMT-4)
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STATISTICS from Ottawa Airport (YOW)
ALL-TIME RECORDS FOR August 11 |
Daily Reading |
RecHi |
Yr |
RecLo |
Yr |
HiMean |
Yr |
LoMean |
>Yr |
High Temperature |
37.8 |
° C |
1944 |
17.1 |
° C |
2017 |
|
|
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|
Low Temperature |
21.3 |
° C |
2021 |
0.0 |
° C |
2025 |
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| Mean Temperature |
25.8 |
° C |
2021 |
15.8 |
° C |
2017 |
< > 25.8 |
° C |
2021 |
15.8 |
° C |
2017 |
Humidex |
43 |
|
2020 |
|
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Wind Chill |
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0 |
|
n/a |
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Dew Point |
24.3 |
° C |
2020 |
0.0 |
° C |
n/a |
22.4 |
° C |
2021 |
9.6 |
° C |
2025 |
Relative Humidity |
100 |
% |
2017 |
0 |
% |
n/a |
98 |
% |
2017 |
63 |
% |
2025 |
Barometric Pressure |
1021.0 |
mb |
2025 |
0.0 |
mb |
n/a |
1019.5 |
mb |
2017 |
1009.5 |
mb |
2020 |
Visibility |
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|
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|
24 |
km |
2025 |
24 |
km |
2025 |
Winds |
23 |
km/h |
2024 |
|
|
|
11 |
km/h |
2019 |
1 |
km/h |
2020 |
-from |
WSW |
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NNW |
|
ENE |
|
-Max Gust |
n/a |
km/h |
n/a |
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Daily Total |
Most |
Yr |
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Snowfall |
31.7 |
cm |
1995 |
|
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|
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- Water Equivalent |
0.0 |
mm |
2017 |
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Rainfall |
29.4 |
mm |
2015 |
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Total Precipitation |
29.4 |
mm |
2015 |
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ALL TIME SINGLE-DAY RECORDS FOR August |
Daily Reading |
RecHi |
Y-D |
RecLo |
Y-D |
HiMean |
Y-D |
LoMean |
Y-D |
High Temperature |
35.1 |
° C |
2025-12 |
0.0 |
° C |
2024-31 |
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Low Temperature |
26.1 |
° C |
2017-15 |
0.0 |
° C |
2017-01 |
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| Mean Temperature |
27.2 |
° C |
2022-07 |
0.0 |
° C |
2024-31 |
< > 27.2 |
° C |
2022-07 |
0.0 |
° C |
2024-31 |
Humidex |
43 |
|
2018-06 |
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Wind Chill |
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0 |
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n/a-n/a |
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Dew Point |
24.9 |
° C |
2024-02 |
0.0 |
° C |
n/a-n/a |
22.4 |
° C |
2018-28 |
6.0 |
° C |
2025-18 |
Relative Humidity |
100 |
% |
2017-01 |
0 |
% |
n/a-n/a |
100 |
% |
2017-04 |
56 |
% |
2025-01 |
Barometric Pressure |
1032.0 |
mb |
2025-06 |
0.0 |
mb |
n/a-n/a |
1030.0 |
mb |
2025-06 |
999.5 |
mb |
2020-29 |
Visibility |
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|
|
24 |
km |
2025-01 |
9 |
km |
2025-03 |
Winds |
60 |
km/h |
2026-10 |
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|
20 |
km/h |
2017-06 |
0 |
km/h |
2017-08 |
-from |
NNW |
|
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|
NNE |
|
E |
|
-Max Gust |
47 |
km/h |
2017-22 |
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| |
Daily Total |
Most |
Yr |
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Snowfall |
0.0 |
cm |
2017-01 |
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- Water Equivalent |
0.0 |
mm |
2017-01 |
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Rainfall |
31.0 |
mm |
2017-01 |
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Total Precipitation |
31.0 |
mm |
2017-01 |
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ALL TIME MONTHLY RECORDS FOR August |
Monthly Mean |
RecHi |
Yr |
RecLo |
Yr |
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High Temperature |
27.8 |
° C |
2021 |
17.5 |
° C |
2024 |
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Low Temperature |
16.3 |
° C |
2021 |
10.5 |
° C |
2024 |
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| Mean Temperature |
22.0 |
° C |
2021 |
14.0 |
° C |
2024 |
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Dew Point |
17.8 |
° C |
2021 |
12.3 |
° C |
2025 |
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Relative Humidity |
79 |
% |
2024 |
68 |
% |
2025 |
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Barometric Pressure |
1018.8 |
mb |
2025 |
1012.7 |
mb |
2020 |
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Visibility |
21 |
km |
2025 |
21 |
km |
2025 |
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Winds |
12 |
km/h |
2025 |
6 |
km/h |
2021 |
|
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-from |
ENE |
|
SE |
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| |
Daily Total |
Most |
Yr |
Least |
Yr |
|
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Snowfall |
0.0 |
cm |
2017 |
0.0 |
cm |
2017 |
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- Water Equivalent |
0.0 |
mm |
2017 |
0.0 |
mm |
2017 |
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Rainfall |
182.3 |
mm |
2024 |
0.0 |
mm |
2018 |
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Total Precipitation |
182.3 |
mm |
2024 |
0.0 |
mm |
2018 |
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ALL TIME SINGLE-DAY RECORDS |
Daily Reading |
RecHi |
Y-M-D |
RecLo |
Y-M-D |
HiMean |
Y-M-D |
LoMean |
Y-M-D |
High Temperature |
35.4 |
° C |
2018-07-02 |
-123074546.4 |
° C |
2014-01-31 |
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Low Temperature |
34.7 |
° C |
2017-07-11 |
-108141203.2 |
° C |
2014-01-31 |
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| Mean Temperature |
13472669.6 |
° C |
2014-01-31 |
-25.6 |
° C |
2022-01-22 |
< > 13472669.6 |
° C |
2014-01-31 |
-25.6 |
° C |
2022-01-22 |
Humidex |
13472667 |
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2000-10-14 |
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Wind Chill Index |
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-41 |
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2016-02-13 |
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Dew Point |
38.0 |
° C |
2015-10-27 |
-108172902.3 |
° C |
2056-01-31 |
37.7 |
° C |
2015-10-27 |
-108167792.0 |
° C |
2056-01-31 |
Relative Humidity |
100 |
% |
2015-03-15 |
-1224780080 |
% |
2014-01-31 |
100 |
% |
2015-12-02 |
-1081677968 |
% |
2056-01-31 |
Barometric Pressure |
13554508.8 |
mb |
2014-01-31 |
-122673840.8 |
mb |
2014-01-31 |
13554518.4 |
mb |
2014-01-31 |
0.0 |
mb |
2014-01-31 |
Visibility |
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|
102 |
km |
2015-11-08 |
0 |
km |
2015-01-24 |
Winds |
62 |
km/h |
2024-11-08 |
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|
36 |
km/h |
2019-02-25 |
0 |
km/h |
2017-07-30 |
-from |
NNW |
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|
ESE |
|
WNW |
|
-Max Gust |
83 |
km/h |
2018-05-04 |
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Daily Total |
Most |
Y-M-D |
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Snowfall |
9.0 |
cm |
2025-02-27 |
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- Water Equivalent |
13554518.4 |
mm |
2014-01-31 |
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Rainfall |
57.2 |
mm |
2019-10-31 |
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Total Precipitation |
57.2 |
mm |
2019-10-31 |
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ALL TIME SINGLE-MONTH RECORDS |
Monthly Mean |
RecHi |
Y-M |
RecLo |
Y-M |
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High Temperature |
193615831.330.5 |
° C |
2016-09 |
-122652668.0 |
° C |
2015-02 |
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Low Temperature |
133000762.5 |
° C |
2017-02 |
-108213290.4 |
° C |
2007-11 |
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| Mean Temperature |
193615831.3 |
° C |
2016-09 |
-14.2 |
° C |
2022-01 |
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Dew Point |
168410453.0 |
° C |
2016-09 |
-185159859.2 |
° C |
2013-07 |
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Relative Humidity |
1881171822 |
% |
2016-09 |
-1225804048 |
% |
2015-02 |
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Barometric Pressure |
170199997.2 |
mb |
2016-09 |
-108179039.6 |
mb |
2015-01 |
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Visibility |
193694244 |
km |
2017-02 |
|
km |
2013-07 |
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Winds |
1936158313 |
km/h |
2017-02 |
-1074990030 |
km/h |
2015-02 |
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-from |
N |
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N |
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Daily Total |
Most |
Y-M |
Least |
Y-M |
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Snowfall |
188117182.2 |
cm |
2017-02 |
-0.1 |
cm |
2017-02 |
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- Water Equivalent |
185002399.4 |
mm |
2016-09 |
-108213343.6 |
mm |
2128-05 |
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Rainfall |
176910475.6 |
mm |
2017-02 |
-108212291.6 |
mm |
2016-02 |
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Total Precipitation |
176910475.6 |
mm |
2016-09 |
-108729548.8 |
mm |
2015-02 |
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ALL TIME SINGLE-YEAR RECORDS |
Annual Mean |
RecHi |
Yr |
RecLo |
Yr |
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High Temperature |
13459293.0 |
° C |
2056 |
-123149276.8 |
° C |
2014 |
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Low Temperature |
13547318.4 |
° C |
2014 |
-108141203.2 |
° C |
2014 |
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| Mean Temperature |
13472672.8 |
° C |
2013 |
-108127606.7 |
° C |
2056 |
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Dew Point |
95998362.4 |
° C |
2014 |
-121942637.6 |
° C |
2013 |
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Relative Humidity |
134532195 |
% |
2013 |
-1225007104 |
% |
2056 |
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Barometric Pressure |
13545939.2 |
mb |
2013 |
-121942637.6 |
mb |
2013 |
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Visibility |
13522642 |
km |
2056 |
n/a |
km |
2013 |
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Winds |
808531037 |
km/h |
2014 |
-1219534800 |
km/h |
2013 |
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-from |
N |
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N |
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Annual Total |
Most |
Yr |
Least |
Yr |
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Snowfall |
13554518.4 |
cm |
2014 |
-107701043.1 |
cm |
2014 |
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- Water Equivalent |
13554508.8 |
mm |
2014 |
-122673840.8 |
mm |
2014 |
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Rainfall |
1092.9 |
mm |
2017 |
-121739938.4 |
mm |
2056 |
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Total Precipitation |
13554518.4 |
mm |
2014 |
-122510912.0 |
mm |
2056 |
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ADMINSTRATIVE INFO |
Name of Record Set:
Start Date:
End Date:
Date Calculated:
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1800-01-00@00:00
n/a
2000-12-31
3126-06-19 @ 22:45
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