Ottawa Airport (YOW):
BAROMETRIC PRESSURE
RELATIVE HUMIDITY
Times in Eastern Daylight Time (EDT = GMT-4)
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LIVE OBSERVATIONS at Ottawa Airport (YOW) - Tuesday, July 1, 2025 at 02:24 EDT
TODAY: |
Tuesday |
Reading |
Time |
CTO |
RecHi |
YY |
RecLo |
YY |
|
Current Barometric Pressure: |
1007.0 |
mb |
|
1006.3 |
mb |
|
|
|
|
|
|
|
Maximum Today: |
1007.0 |
mb |
01:00 |
1006.6 |
mb |
1023.0 |
mb |
2024 |
|
|
|
|
Minimum: |
1007.0 |
mb |
01:00 |
1006.3 |
mb |
|
|
|
1002.0 |
mb |
2015 |
|
| Mean: |
1007.0 |
mb |
|
1006.4 |
mb |
1020.0 |
mb |
2024 |
1004.8 |
mb |
2015 |
|
| |
Current Relative Humidity: |
100 |
% |
|
86 |
% |
|
|
|
|
|
|
|
Maximum Today: |
100 |
% |
01:00 |
86 |
% |
100 |
% |
2015 |
|
|
|
|
Minimum: |
100 |
% |
01:00 |
77 |
% |
|
|
|
32 |
% |
2016 |
|
| Mean: |
100 |
% |
|
82 |
% |
99 |
% |
2017 |
60 |
% |
2024 |
|
| |
|
YESTERDAY: |
Monday |
Reading |
Time |
CTO |
RecHi |
YY |
RecLo |
YY |
|
Maximum Barometric Pressure: |
1015.0 |
mb |
01:00 |
1014.7 |
mb |
1023.0 |
mb |
2022 |
|
|
|
|
Minimum: |
1008.0 |
mb |
22:00 |
1006.9 |
mb |
|
|
|
0.0 |
mb |
2014 |
|
| Mean: |
1011.5 |
mb |
|
1010.8 |
mb |
1018.5 |
mb |
2022 |
0.0 |
mb |
2014 |
|
| |
Maximum Relative Humidity: |
100 |
% |
02:00 |
83 |
% |
100 |
% |
2017 |
|
|
|
|
Minimum: |
40 |
% |
17:00 |
37 |
% |
|
|
|
0 |
% |
2014 |
|
| Mean: |
70 |
% |
|
60 |
% |
226 |
% |
2014 |
0 |
% |
2014 |
|
| |
|
TOMORROW: |
Wednesday |
|
RecHi |
YY |
RecLo |
YY |
|
Barometric Pressure: |
|
1025.0 |
mb |
2024 |
1006.0 |
mb |
2016 |
|
| Daily Mean BP: |
|
1023.0 |
mb |
2024 |
1007.5 |
mb |
2019 |
|
| |
Relative Humidity: |
|
98 |
% |
2018 |
36 |
% |
2019 |
|
| Daily Mean BP: |
|
1023.0 |
% |
2024 |
1007.5 |
% |
2019 |
|
| |
|
THIS MONTH: |
Jul Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Monthly Mean BP: |
n/a |
mb |
n/a |
mb |
80853145.5 |
mb |
2016 |
0.0 |
mb |
2015 |
|
| |
| Monthly Mean RH: |
n/a |
% |
n/a |
% |
99 |
% |
2014 |
-1 |
% |
2016 |
|
| |
|
Daily Extremes + Records |
Max |
DD |
Min |
DD |
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
n/a |
mb |
n/a |
n/a |
mb |
n/a |
1027.0 |
mb |
2018-07 |
998.0 |
mb |
2020-12 |
|
| Daily Mean BP: |
n/a |
mb |
n/a |
n/a |
mb |
n/a |
1025.5 |
mb |
2018-07 |
1000.5 |
mb |
2022-21 |
|
| |
Relative Humidity: |
n/a |
% |
n/a |
n/a |
% |
n/a |
100 |
% |
2015-01 |
25 |
% |
2019-08 |
|
| Daily Mean RH: |
n/a |
% |
n/a |
n/a |
% |
n/a |
100 |
% |
2017-08 |
46 |
% |
2018-08 |
|
| |
|
LAST MONTH: |
Jun Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Mean Barometric Pressure: |
1013.7 |
mb |
1013.1 |
mb |
1014.3 |
mb |
2015 |
0.0 |
mb |
2014 |
|
| |
| Mean Relative Humidity: |
71 |
% |
61 |
% |
99 |
% |
2014 |
0 |
% |
2014 |
|
| |
|
Daily Extremes + Records |
Max |
DD |
Min |
DD |
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
1024.0 |
mb |
13 |
998.0 |
mb |
01 |
1033.0 |
mb |
2020-15 |
993.0 |
mb |
2024-23 |
|
| Daily Mean BP: |
1022.5 |
mb |
13 |
1003.0 |
mb |
19 |
1030.5 |
mb |
2020-15 |
997.5 |
mb |
2016-07 |
|
| |
Relative Humidity: |
100 |
% |
01 |
29 |
% |
08 |
100 |
% |
2015-13 |
0 |
% |
2015-03 |
|
| Daily Mean RH: |
84 |
% |
09 |
54 |
% |
08 |
100 |
% |
2017-30 |
40 |
% |
2016-19 |
|
| |
|
NEXT MONTH: |
August Monthly Records |
|
RecHi |
YY |
RecLo |
YY |
|
| Mean Barometric Pressure: |
|
1015.4 |
mb |
2021 |
1012.7 |
mb |
2020 |
|
| |
| Mean Relative Humidity: |
|
79 |
% |
2024 |
73 |
% |
2017 |
|
| |
|
August Daily Records |
|
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
|
1028.0 |
mb |
2019-25 |
0.0 |
mb |
n/a-n/a |
|
| Daily Mean BP: |
|
1026.5 |
mb |
2017-27 |
999.5 |
mb |
2020-29 |
|
| |
Relative Humidity: |
|
100 |
% |
2017-01 |
0 |
% |
n/a-n/a |
|
| Daily Mean RH: |
|
100 |
% |
2017-04 |
59 |
% |
2017-15 |
|
| |
|
THIS YEAR: |
2025 Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Annual Mean BP: |
1014.2 |
mb |
1013.4 |
mb |
13545939.2 |
mb |
2013 |
-121942637.6 |
mb |
2013 |
|
| |
| Annual Mean RH: |
71 |
% |
66 |
% |
134532195 |
% |
2013 |
-1225007104 |
% |
2056 |
|
| |
|
Monthly Extremes + Records |
Max |
MM |
Min |
MM |
RecHi |
YY-MM |
RecLo |
YY-MM |
|
| Monthly Mean BP: |
1017.7 |
mb |
Feb |
1010.6 |
mb |
Mar |
170199997.2 |
mb |
2016-Sep |
-108179039.6 |
mb |
2015-Jan |
|
| |
| Monthly Mean RH: |
74 |
% |
Jan |
66 |
% |
Apr |
1881171822 |
% |
2016-Sep |
-1225804048 |
% |
2015-Feb |
|
| |
|
Daily Extremes + Records |
Max |
MM-DD |
Min |
MM-DD |
RecHi |
Date |
RecLo |
Date |
|
Barometric Pressure: |
1037.0 |
mb |
Feb-01 |
986.0 |
mb |
Mar-06 |
13554508.8 |
mb |
2014-01-31 |
-122673840.8 |
mb |
2014-01-31 |
|
| Daily Mean BP: |
1031.0 |
mb |
Feb-01 |
992.5 |
mb |
Mar-06 |
13554518.4 |
mb |
2014-01-31 |
0.0 |
mb |
2014-01-31 |
|
| |
Relative Humidity: |
100 |
% |
Jan-01 |
18 |
% |
Apr-17 |
100 |
% |
2015-03-15 |
-1224780080 |
% |
2014-01-31 |
|
| Daily Mean RH: |
96 |
% |
Apr-11 |
40 |
% |
May-11 |
100 |
% |
2015-12-02 |
-1081677968 |
% |
2056-01-31 |
|
| |
|
LAST YEAR: |
2024 Means |
Mean |
CTO |
|
| Annual Mean BP: |
1017.6 |
mb |
1015.4 |
mb |
|
| |
| Annual Mean RH: |
77 |
% |
68 |
% |
|
|
Monthly Extremes |
Max |
MM |
Min |
MM |
|
| Monthly Mean BP: |
1019.9 |
mb |
Dec |
1014.9 |
mb |
Nov |
|
| |
| Monthly Mean RH: |
84 |
% |
Dec |
72 |
% |
Oct |
|
|
Daily Extremes |
Max |
MM-DD |
Min |
MM-DD |
|
Barometric Pressure: |
1050.0 |
mb |
Dec-14 |
994.0 |
mb |
Dec-05 |
|
| Daily Mean BP: |
1047.0 |
mb |
Dec-14 |
994.0 |
mb |
Dec-30 |
|
| |
Relative Humidity: |
100 |
% |
Oct-07 |
19 |
% |
Oct-28 |
|
| Daily Mean RH: |
100 |
% |
Dec-10 |
42 |
% |
Oct-28 |
|
| |
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