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) - Sunday, June 8, 2025 at 00:00 EDT
TODAY: |
Sunday |
Reading |
Time |
CTO |
RecHi |
YY |
RecLo |
YY |
|
Current Barometric Pressure: |
1012.0 |
mb |
|
1011.7 |
mb |
|
|
|
|
|
|
|
Maximum Today: |
1012.0 |
mb |
22:00 |
1011.7 |
mb |
1021.0 |
mb |
2015 |
|
|
|
|
Minimum: |
1010.0 |
mb |
02:00 |
1009.3 |
mb |
|
|
|
996.0 |
mb |
2016 |
|
| Mean: |
1011.0 |
mb |
|
1010.5 |
mb |
1017.0 |
mb |
2017 |
997.5 |
mb |
2016 |
|
| |
Current Relative Humidity: |
49 |
% |
|
47 |
% |
|
|
|
|
|
|
|
Maximum Today: |
79 |
% |
02:00 |
67 |
% |
100 |
% |
2017 |
|
|
|
|
Minimum: |
34 |
% |
16:00 |
29 |
% |
|
|
|
27 |
% |
2015 |
|
| Mean: |
56 |
% |
|
48 |
% |
99 |
% |
2017 |
52 |
% |
2021 |
|
| |
|
YESTERDAY: |
Saturday |
Reading |
Time |
CTO |
RecHi |
YY |
RecLo |
YY |
|
Maximum Barometric Pressure: |
1017.0 |
mb |
01:00 |
1016.4 |
mb |
1022.0 |
mb |
2015 |
|
|
|
|
Minimum: |
1011.0 |
mb |
19:00 |
1010.3 |
mb |
|
|
|
995.0 |
mb |
2024 |
|
| Mean: |
1014.0 |
mb |
|
1013.4 |
mb |
1019.7 |
mb |
2015 |
998.2 |
mb |
2016 |
|
| |
Maximum Relative Humidity: |
100 |
% |
01:00 |
84 |
% |
100 |
% |
2025 |
|
|
|
|
Minimum: |
34 |
% |
16:00 |
29 |
% |
|
|
|
28 |
% |
2019 |
|
| Mean: |
67 |
% |
|
56 |
% |
98 |
% |
2017 |
60 |
% |
2015 |
|
| |
|
TOMORROW: |
Monday |
|
RecHi |
YY |
RecLo |
YY |
|
Barometric Pressure: |
|
1024.0 |
mb |
2019 |
999.0 |
mb |
2016 |
|
| Daily Mean BP: |
|
1021.0 |
mb |
2019 |
1001.9 |
mb |
2016 |
|
| |
Relative Humidity: |
|
97 |
% |
2015 |
19 |
% |
2019 |
|
| Daily Mean BP: |
|
1021.0 |
% |
2019 |
1001.9 |
% |
2016 |
|
| |
|
THIS MONTH: |
Jun Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Monthly Mean BP: |
1012.8 |
mb |
1012.2 |
mb |
1014.3 |
mb |
2015 |
0.0 |
mb |
2014 |
|
| |
| Monthly Mean RH: |
72 |
% |
62 |
% |
99 |
% |
2014 |
0 |
% |
2014 |
|
| |
|
Daily Extremes + Records |
Max |
DD |
Min |
DD |
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
1019.0 |
mb |
03 |
998.0 |
mb |
01 |
1033.0 |
mb |
2020-15 |
993.0 |
mb |
2024-23 |
|
| Daily Mean BP: |
1016.5 |
mb |
03 |
1003.5 |
mb |
01 |
1030.5 |
mb |
2020-15 |
997.5 |
mb |
2016-07 |
|
| |
Relative Humidity: |
100 |
% |
01 |
32 |
% |
02 |
100 |
% |
2015-13 |
0 |
% |
2015-03 |
|
| Daily Mean RH: |
81 |
% |
05 |
66 |
% |
02 |
100 |
% |
2017-30 |
40 |
% |
2016-19 |
|
| |
|
LAST MONTH: |
May Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Mean Barometric Pressure: |
1014.4 |
mb |
1013.7 |
mb |
80853145.5 |
mb |
2016 |
-3.5 |
mb |
2014 |
|
| |
| Mean Relative Humidity: |
73 |
% |
65 |
% |
99 |
% |
2014 |
-1 |
% |
2016 |
|
| |
|
Daily Extremes + Records |
Max |
DD |
Min |
DD |
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
1030.0 |
mb |
11 |
994.0 |
mb |
17 |
1032.0 |
mb |
2018-18 |
990.0 |
mb |
2017-06 |
|
| Daily Mean BP: |
1026.5 |
mb |
11 |
995.5 |
mb |
31 |
1029.5 |
mb |
2018-18 |
994.0 |
mb |
2017-07 |
|
| |
Relative Humidity: |
100 |
% |
02 |
20 |
% |
27 |
100 |
% |
2016-02 |
0 |
% |
2016-05 |
|
| Daily Mean RH: |
89 |
% |
18 |
40 |
% |
11 |
100 |
% |
2017-03 |
32 |
% |
2018-22 |
|
| |
|
NEXT MONTH: |
July Monthly Records |
|
RecHi |
YY |
RecLo |
YY |
|
| Mean Barometric Pressure: |
|
80853145.5 |
mb |
2016 |
0.0 |
mb |
2015 |
|
| |
| Mean Relative Humidity: |
|
99 |
% |
2014 |
-1 |
% |
2016 |
|
| |
|
July Daily Records |
|
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
|
1027.0 |
mb |
2018-07 |
998.0 |
mb |
2020-12 |
|
| Daily Mean BP: |
|
1025.5 |
mb |
2018-07 |
1000.5 |
mb |
2022-21 |
|
| |
Relative Humidity: |
|
100 |
% |
2015-01 |
25 |
% |
2019-08 |
|
| Daily Mean RH: |
|
100 |
% |
2017-08 |
46 |
% |
2018-08 |
|
| |
|
THIS YEAR: |
2025 Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Annual Mean BP: |
1012.6 |
mb |
1013.5 |
mb |
13545939.2 |
mb |
2013 |
-121942637.6 |
mb |
2013 |
|
| |
| Annual Mean RH: |
73 |
% |
67 |
% |
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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