Ottawa Airport (YOW):
BAROMETRIC PRESSURE
RELATIVE HUMIDITY
Times in Eastern Daylight Time (EDT = GMT-4)
|
|
|
LIVE OBSERVATIONS at Ottawa Airport (YOW) - Wednesday, April 22, 2026 at 05:00 EDT
TODAY: |
Wednesday |
Reading |
Time |
CTO |
RecHi |
YY |
RecLo |
YY |
|
Current Barometric Pressure: |
1015.0 |
mb |
|
1015.1 |
mb |
|
|
|
|
|
|
|
Maximum Today: |
1017.0 |
mb |
01:00 |
1016.8 |
mb |
1032.0 |
mb |
2022 |
|
|
|
|
Minimum: |
1015.0 |
mb |
04:00 |
1014.7 |
mb |
|
|
|
1000.0 |
mb |
2014 |
|
| Mean: |
1016.0 |
mb |
|
1015.8 |
mb |
1029.5 |
mb |
2018 |
1002.5 |
mb |
2015 |
|
| |
Current Relative Humidity: |
58 |
% |
|
55 |
% |
|
|
|
|
|
|
|
Maximum Today: |
58 |
% |
05:00 |
55 |
% |
100 |
% |
2025 |
|
|
|
|
Minimum: |
51 |
% |
02:00 |
46 |
% |
|
|
|
17 |
% |
2018 |
|
| Mean: |
54 |
% |
|
50 |
% |
87 |
% |
2016 |
52 |
% |
2018 |
|
| |
|
YESTERDAY: |
Tuesday |
Reading |
Time |
CTO |
RecHi |
YY |
RecLo |
YY |
|
Maximum Barometric Pressure: |
1026.0 |
mb |
01:00 |
1025.2 |
mb |
1030.0 |
mb |
2022 |
|
|
|
|
Minimum: |
1018.0 |
mb |
23:00 |
1016.8 |
mb |
|
|
|
990.0 |
mb |
2020 |
|
| Mean: |
1022.0 |
mb |
|
1021.0 |
mb |
1027.5 |
mb |
2018 |
996.5 |
mb |
2020 |
|
| |
Maximum Relative Humidity: |
83 |
% |
06:00 |
73 |
% |
100 |
% |
2025 |
|
|
|
|
Minimum: |
36 |
% |
18:00 |
34 |
% |
|
|
|
16 |
% |
2016 |
|
| Mean: |
60 |
% |
|
54 |
% |
92 |
% |
2014 |
46 |
% |
2016 |
|
| |
|
TOMORROW: |
Thursday |
|
RecHi |
YY |
RecLo |
YY |
|
Barometric Pressure: |
|
1032.0 |
mb |
2018 |
1000.0 |
mb |
2015 |
|
| Daily Mean BP: |
|
1029.0 |
mb |
2022 |
1003.0 |
mb |
2015 |
|
| |
Relative Humidity: |
|
100 |
% |
2017 |
16 |
% |
2018 |
|
| Daily Mean BP: |
|
1029.0 |
% |
2022 |
1003.0 |
% |
2015 |
|
| |
|
THIS MONTH: |
Apr Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Monthly Mean BP: |
1017.9 |
mb |
1017.1 |
mb |
1018.3 |
mb |
2016 |
-14.0 |
mb |
2014 |
|
| |
| Monthly Mean RH: |
71 |
% |
71 |
% |
100 |
% |
2014 |
0 |
% |
2015 |
|
| |
|
Daily Extremes + Records |
Max |
DD |
Min |
DD |
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
1037.0 |
mb |
08 |
1001.0 |
mb |
18 |
1037.0 |
mb |
2026-08 |
986.0 |
mb |
2020-09 |
|
| Daily Mean BP: |
1033.0 |
mb |
08 |
1006.5 |
mb |
05 |
1033.5 |
mb |
2016-16 |
993.0 |
mb |
2020-09 |
|
| |
Relative Humidity: |
100 |
% |
16 |
22 |
% |
20 |
100 |
% |
2015-04 |
14 |
% |
2020-25 |
|
| Daily Mean RH: |
96 |
% |
15 |
50 |
% |
08 |
100 |
% |
2017-13 |
35 |
% |
2016-24 |
|
| |
|
LAST MONTH: |
Mar Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Mean Barometric Pressure: |
1017.3 |
mb |
1016.4 |
mb |
1018.4 |
mb |
2020 |
-35.1 |
mb |
2014 |
|
| |
| Mean Relative Humidity: |
70 |
% |
69 |
% |
100 |
% |
2014 |
0 |
% |
2015 |
|
| |
|
Daily Extremes + Records |
Max |
DD |
Min |
DD |
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
1040.0 |
mb |
02 |
988.0 |
mb |
16 |
1043.0 |
mb |
2017-05 |
986.0 |
mb |
2025-06 |
|
| Daily Mean BP: |
1037.0 |
mb |
02 |
999.0 |
mb |
16 |
1039.9 |
mb |
2017-05 |
992.5 |
mb |
2025-06 |
|
| |
Relative Humidity: |
99 |
% |
07 |
28 |
% |
02 |
100 |
% |
2015-15 |
15 |
% |
2021-22 |
|
| Daily Mean RH: |
88 |
% |
07 |
49 |
% |
02 |
98 |
% |
2018-14 |
46 |
% |
2017-13 |
|
| |
|
NEXT MONTH: |
May Monthly Records |
|
RecHi |
YY |
RecLo |
YY |
|
| Mean Barometric Pressure: |
|
80853145.5 |
mb |
2016 |
-3.5 |
mb |
2014 |
|
| |
| Mean Relative Humidity: |
|
99 |
% |
2014 |
-1 |
% |
2016 |
|
| |
|
May Daily Records |
|
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
|
1032.0 |
mb |
2018-18 |
990.0 |
mb |
2017-06 |
|
| Daily Mean BP: |
|
1029.5 |
mb |
2018-18 |
994.0 |
mb |
2017-07 |
|
| |
Relative Humidity: |
|
100 |
% |
2016-02 |
0 |
% |
2016-05 |
|
| Daily Mean RH: |
|
100 |
% |
2017-03 |
32 |
% |
2018-22 |
|
| |
|
THIS YEAR: |
2026 Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Annual Mean BP: |
1017.3 |
mb |
1014.7 |
mb |
13545939.2 |
mb |
2013 |
-121942637.6 |
mb |
2013 |
|
| |
| Annual Mean RH: |
72 |
% |
72 |
% |
134532195 |
% |
2013 |
-1225007104 |
% |
2056 |
|
| |
|
Monthly Extremes + Records |
Max |
MM |
Min |
MM |
RecHi |
YY-MM |
RecLo |
YY-MM |
|
| Monthly Mean BP: |
1017.3 |
mb |
Mar |
1014.1 |
mb |
Jan |
170199997.2 |
mb |
2016-Sep |
-108179039.6 |
mb |
2015-Jan |
|
| |
| Monthly Mean RH: |
74 |
% |
Jan |
68 |
% |
Feb |
1881171822 |
% |
2016-Sep |
-1225804048 |
% |
2015-Feb |
|
| |
|
Daily Extremes + Records |
Max |
MM-DD |
Min |
MM-DD |
RecHi |
Date |
RecLo |
Date |
|
Barometric Pressure: |
1041.0 |
mb |
Jan-24 |
988.0 |
mb |
Mar-16 |
13554508.8 |
mb |
2014-01-31 |
-122673840.8 |
mb |
2014-01-31 |
|
| Daily Mean BP: |
1037.5 |
mb |
Jan-24 |
997.0 |
mb |
Mar-16 |
13554518.4 |
mb |
2014-01-31 |
0.0 |
mb |
2014-01-31 |
|
| |
Relative Humidity: |
100 |
% |
Apr-16 |
22 |
% |
Apr-20 |
100 |
% |
2015-03-15 |
-1224780080 |
% |
2014-01-31 |
|
| Daily Mean RH: |
96 |
% |
Apr-15 |
49 |
% |
Mar-02 |
100 |
% |
2015-12-02 |
-1081677968 |
% |
2056-01-31 |
|
| |
|
LAST YEAR: |
2025 Means |
Mean |
CTO |
|
| Annual Mean BP: |
1015.2 |
mb |
1014.4 |
mb |
|
| |
| Annual Mean RH: |
72 |
% |
67 |
% |
|
|
Monthly Extremes |
Max |
MM |
Min |
MM |
|
| Monthly Mean BP: |
1019.3 |
mb |
Oct |
1010.6 |
mb |
Mar |
|
| |
| Monthly Mean RH: |
80 |
% |
Nov |
66 |
% |
Apr |
|
|
Daily Extremes |
Max |
MM-DD |
Min |
MM-DD |
|
Barometric Pressure: |
1037.0 |
mb |
Feb-01 |
985.0 |
mb |
Dec-19 |
|
| Daily Mean BP: |
1033.0 |
mb |
Oct-09 |
985.0 |
mb |
Oct-31 |
|
| |
Relative Humidity: |
100 |
% |
Jan-01 |
18 |
% |
Apr-17 |
|
| Daily Mean RH: |
100 |
% |
Jul-07 |
40 |
% |
May-11 |
|
| |
|
