Ottawa Airport (YOW):
All-Time Records
Times in Eastern Daylight Time (EDT = GMT-4)
|
|
|
STATISTICS from Ottawa Airport (YOW)
ALL-TIME RECORDS FOR September 01 |
Daily Reading |
RecHi |
Yr |
RecLo |
Yr |
HiMean |
Yr |
LoMean |
>Yr |
High Temperature |
33.9 |
° C |
1953 |
9.9 |
° C |
2017 |
|
|
|
|
|
|
Low Temperature |
18.2 |
° C |
2018 |
6.1 |
° C |
1967 |
|
|
|
|
|
|
| Mean Temperature |
23.2 |
° C |
2018 |
9.0 |
° C |
2017 |
< > 23.2 |
° C |
2018 |
9.0 |
° C |
2017 |
Humidex |
36 |
|
2018 |
|
|
|
|
|
|
|
|
|
Wind Chill |
|
|
|
0 |
|
n/a |
|
|
|
|
|
|
Dew Point |
20.9 |
° C |
2018 |
0.0 |
° C |
n/a |
19.4 |
° C |
2018 |
+5.0 |
° C |
2017 |
Relative Humidity |
100 |
% |
2025 |
0 |
% |
n/a |
82 |
% |
2020 |
64 |
% |
2017 |
Barometric Pressure |
1028.0 |
mb |
2019 |
0.0 |
mb |
n/a |
1025.0 |
mb |
2025 |
1009.0 |
mb |
2024 |
Visibility |
|
|
|
|
|
|
24 |
km |
2025 |
24 |
km |
2025 |
Winds |
27 |
km/h |
2017 |
|
|
|
15 |
km/h |
2017 |
3 |
km/h |
2024 |
-from |
WNW |
|
|
|
|
NNW |
|
WNW |
|
-Max Gust |
35 |
km/h |
2017 |
|
|
|
|
|
|
|
|
| |
Daily Total |
Most |
Yr |
|
|
|
|
|
|
|
|
|
Snowfall |
33.5 |
cm |
2018 |
|
|
|
|
|
|
|
|
- Water Equivalent |
0.0 |
mm |
2017 |
|
|
|
|
|
|
|
|
Rainfall |
39.6 |
mm |
1977 |
|
|
|
|
|
|
|
|
Total Precipitation |
39.6 |
mm |
1977 |
|
|
|
|
|
|
|
|
| |
|
ALL TIME SINGLE-DAY RECORDS FOR September |
Daily Reading |
RecHi |
Y-D |
RecLo |
Y-D |
HiMean |
Y-D |
LoMean |
Y-D |
High Temperature |
33.2 |
° C |
2018-05 |
6.3 |
° C |
2017-02 |
|
|
|
|
|
|
Low Temperature |
28.0 |
° C |
2017-16 |
-3.0 |
° C |
2020-21 |
|
|
|
|
|
|
| Mean Temperature |
28.0 |
° C |
2017-16 |
5.6 |
° C |
2017-02 |
< > 28.0 |
° C |
2017-16 |
5.6 |
° C |
2017-02 |
Humidex |
41 |
|
2017-24 |
|
|
|
|
|
|
|
|
|
Wind Chill |
|
|
|
-2 |
|
2020-19 |
|
|
|
|
|
|
Dew Point |
23.6 |
° C |
2018-03 |
-3.6 |
° C |
2025-20 |
22.0 |
° C |
2018-03 |
-0.3 |
° C |
2025-20 |
Relative Humidity |
100 |
% |
2017-04 |
0 |
% |
n/a-n/a |
100 |
% |
2017-18 |
48 |
% |
2017-17 |
Barometric Pressure |
1038.0 |
mb |
2020-21 |
0.0 |
mb |
n/a-n/a |
1033.5 |
mb |
2020-20 |
1000.0 |
mb |
2017-05 |
Visibility |
|
|
|
|
|
|
24 |
km |
2025-01 |
12 |
km |
2025-05 |
Winds |
41 |
km/h |
2025-05 |
|
|
|
19 |
km/h |
2024-08 |
0 |
km/h |
2017-15 |
-from |
SSW |
|
|
|
|
NNW |
|
N |
|
-Max Gust |
46 |
km/h |
2017-04 |
|
|
|
|
|
|
|
|
| |
Daily Total |
Most |
Yr |
|
|
|
|
|
|
|
|
|
Snowfall |
0.0 |
cm |
2017-01 |
|
|
|
|
|
|
|
|
- Water Equivalent |
0.0 |
mm |
2017-01 |
|
|
|
|
|
|
|
|
Rainfall |
28.0 |
mm |
2017-16 |
|
|
|
|
|
|
|
|
Total Precipitation |
28.0 |
mm |
2017-16 |
|
|
|
|
|
|
|
|
| |
|
ALL TIME MONTHLY RECORDS FOR September |
Monthly Mean |
RecHi |
Yr |
RecLo |
Yr |
|
|
|
|
|
|
High Temperature |
24.1 |
° C |
2017 |
20.0 |
° C |
2024 |
|
|
|
|
|
|
Low Temperature |
11.3 |
° C |
2017 |
7.4 |
° C |
2020 |
|
|
|
|
|
|
| Mean Temperature |
17.7 |
° C |
2017 |
14.0 |
° C |
2020 |
|
|
|
|
|
|
Dew Point |
13.3 |
° C |
2017 |
9.4 |
° C |
2025 |
|
|
|
|
|
|
Relative Humidity |
78 |
% |
2022 |
69 |
% |
2025 |
|
|
|
|
|
|
Barometric Pressure |
1021.5 |
mb |
2018 |
1013.8 |
mb |
2021 |
|
|
|
|
|
|
Visibility |
21 |
km |
2025 |
21 |
km |
2025 |
|
|
|
|
|
|
Winds |
11 |
km/h |
2025 |
6 |
km/h |
2021 |
|
|
|
|
|
|
-from |
S |
|
SW |
|
|
|
|
|
|
|
| |
Daily Total |
Most |
Yr |
Least |
Yr |
|
|
|
|
|
|
Snowfall |
0.0 |
cm |
2017 |
0.0 |
cm |
2017 |
|
|
|
|
|
- Water Equivalent |
0.0 |
mm |
2017 |
0.0 |
mm |
2017 |
|
|
|
|
|
Rainfall |
110.2 |
mm |
2019 |
0.0 |
mm |
2018 |
|
|
|
|
|
Total Precipitation |
110.2 |
mm |
2019 |
0.0 |
mm |
2018 |
|
|
|
|
|
| |
|
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 |
|
|
|
|
|
|
Low Temperature |
34.7 |
° C |
2017-07-11 |
-108141203.2 |
° C |
2014-01-31 |
|
|
|
|
|
|
| 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 |
|
2000-10-14 |
|
|
|
|
|
|
|
|
|
Wind Chill Index |
|
|
|
-41 |
|
2016-02-13 |
|
|
|
|
|
|
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 |
|
|
|
|
|
|
102 |
km |
2015-11-08 |
0 |
km |
2015-01-24 |
Winds |
81 |
km/h |
2026-08-12 |
|
|
|
36 |
km/h |
2019-02-25 |
0 |
km/h |
2017-07-30 |
-from |
NW |
|
|
|
|
ESE |
|
WNW |
|
-Max Gust |
83 |
km/h |
2018-05-04 |
|
|
|
|
|
|
|
|
| |
Daily Total |
Most |
Y-M-D |
|
|
|
|
|
|
|
|
|
Snowfall |
9.0 |
cm |
2025-02-27 |
|
|
|
|
|
|
|
|
- Water Equivalent |
13554518.4 |
mm |
2014-01-31 |
|
|
|
|
|
|
|
|
Rainfall |
57.2 |
mm |
2019-10-31 |
|
|
|
|
|
|
|
|
Total Precipitation |
57.2 |
mm |
2019-10-31 |
|
|
|
|
|
|
|
|
| |
|
ALL TIME SINGLE-MONTH RECORDS |
Monthly Mean |
RecHi |
Y-M |
RecLo |
Y-M |
|
|
|
|
|
|
High Temperature |
193615831.330.5 |
° C |
2016-09 |
-122652668.0 |
° C |
2015-02 |
|
|
|
|
|
|
Low Temperature |
133000762.5 |
° C |
2017-02 |
-108213290.4 |
° C |
2007-11 |
|
|
|
|
|
|
| Mean Temperature |
193615831.3 |
° C |
2016-09 |
-14.2 |
° C |
2022-01 |
|
|
|
|
|
|
Dew Point |
168410453.0 |
° C |
2016-09 |
-185159859.2 |
° C |
2013-07 |
|
|
|
|
|
|
Relative Humidity |
1881171822 |
% |
2016-09 |
-1225804048 |
% |
2015-02 |
|
|
|
|
|
|
Barometric Pressure |
170199997.2 |
mb |
2016-09 |
-108179039.6 |
mb |
2015-01 |
|
|
|
|
|
|
Visibility |
193694244 |
km |
2017-02 |
|
km |
2013-07 |
|
|
|
|
|
|
Winds |
1936158313 |
km/h |
2017-02 |
-1074990030 |
km/h |
2015-02 |
|
|
|
|
|
|
-from |
N |
|
N |
|
|
|
|
|
|
|
| |
Daily Total |
Most |
Y-M |
Least |
Y-M |
|
|
|
|
|
|
Snowfall |
188117182.2 |
cm |
2017-02 |
-0.1 |
cm |
2017-02 |
|
|
|
|
|
- Water Equivalent |
185002399.4 |
mm |
2016-09 |
-108213343.6 |
mm |
2128-05 |
|
|
|
|
|
Rainfall |
176910475.6 |
mm |
2017-02 |
-108212291.6 |
mm |
2016-02 |
|
|
|
|
|
Total Precipitation |
176910475.6 |
mm |
2016-09 |
-108729548.8 |
mm |
2015-02 |
|
|
|
|
|
| |
|
ALL TIME SINGLE-YEAR RECORDS |
Annual Mean |
RecHi |
Yr |
RecLo |
Yr |
|
|
|
|
|
|
High Temperature |
13459293.0 |
° C |
2056 |
-123149276.8 |
° C |
2014 |
|
|
|
|
|
|
Low Temperature |
13547318.4 |
° C |
2014 |
-108141203.2 |
° C |
2014 |
|
|
|
|
|
|
| Mean Temperature |
13472672.8 |
° C |
2013 |
-108127606.7 |
° C |
2056 |
|
|
|
|
|
|
Dew Point |
95998362.4 |
° C |
2014 |
-121942637.6 |
° C |
2013 |
|
|
|
|
|
|
Relative Humidity |
134532195 |
% |
2013 |
-1225007104 |
% |
2056 |
|
|
|
|
|
|
Barometric Pressure |
13545939.2 |
mb |
2013 |
-121942637.6 |
mb |
2013 |
|
|
|
|
|
|
Visibility |
13522642 |
km |
2056 |
n/a |
km |
2013 |
|
|
|
|
|
|
Winds |
808531037 |
km/h |
2014 |
-1219534800 |
km/h |
2013 |
|
|
|
|
|
|
-from |
N |
|
N |
|
|
|
|
|
|
|
| |
Annual Total |
Most |
Yr |
Least |
Yr |
|
|
|
|
|
|
Snowfall |
13554518.4 |
cm |
2014 |
-107701043.1 |
cm |
2014 |
|
|
|
|
|
- Water Equivalent |
13554508.8 |
mm |
2014 |
-122673840.8 |
mm |
2014 |
|
|
|
|
|
Rainfall |
1092.9 |
mm |
2017 |
-121739938.4 |
mm |
2056 |
|
|
|
|
|
Total Precipitation |
13554518.4 |
mm |
2014 |
-122510912.0 |
mm |
2056 |
|
|
|
|
|
| |
|
ADMINSTRATIVE INFO |
Name of Record Set:
Start Date:
End Date:
Date Calculated:
|
1800-01-00@00:00
n/a
2000-12-31
3126-06-19 @ 22:45
|
|
|