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) - Saturday, April 26, 2025 at 08:00 EDT
TODAY: |
Saturday |
Reading |
Time |
CTO |
RecHi |
YY |
RecLo |
YY |
|
Current Barometric Pressure: |
1007.0 |
mb |
|
1006.6 |
mb |
|
|
|
|
|
|
|
Maximum Today: |
1013.0 |
mb |
01:00 |
1012.4 |
mb |
1033.0 |
mb |
2024 |
|
|
|
|
Minimum: |
1007.0 |
mb |
06:00 |
1006.6 |
mb |
|
|
|
1001.0 |
mb |
2018 |
|
| Mean: |
1010.0 |
mb |
|
1009.5 |
mb |
1031.0 |
mb |
2024 |
1005.5 |
mb |
2018 |
|
| |
Current Relative Humidity: |
100 |
% |
|
94 |
% |
|
|
|
|
|
|
|
Maximum Today: |
100 |
% |
07:00 |
94 |
% |
100 |
% |
2018 |
|
|
|
|
Minimum: |
57 |
% |
01:00 |
55 |
% |
|
|
|
24 |
% |
2024 |
|
| Mean: |
78 |
% |
|
74 |
% |
95 |
% |
2018 |
41 |
% |
2016 |
|
| |
|
YESTERDAY: |
Friday |
Reading |
Time |
CTO |
RecHi |
YY |
RecLo |
YY |
|
Maximum Barometric Pressure: |
1025.0 |
mb |
07:00 |
1024.6 |
mb |
1031.0 |
mb |
2024 |
|
|
|
|
Minimum: |
1014.0 |
mb |
00:00 |
1012.7 |
mb |
|
|
|
1004.0 |
mb |
2018 |
|
| Mean: |
1019.5 |
mb |
|
1018.6 |
mb |
1028.5 |
mb |
2024 |
1007.4 |
mb |
2014 |
|
| |
Maximum Relative Humidity: |
82 |
% |
05:25 |
66 |
% |
100 |
% |
2018 |
|
|
|
|
Minimum: |
43 |
% |
15:00 |
39 |
% |
|
|
|
14 |
% |
2020 |
|
| Mean: |
62 |
% |
|
52 |
% |
88 |
% |
2014 |
40 |
% |
2016 |
|
| |
|
TOMORROW: |
Sunday |
|
RecHi |
YY |
RecLo |
YY |
|
Barometric Pressure: |
|
1030.0 |
mb |
2024 |
1004.0 |
mb |
2017 |
|
| Daily Mean BP: |
|
1024.5 |
mb |
2024 |
1007.0 |
mb |
2017 |
|
| |
Relative Humidity: |
|
100 |
% |
2017 |
20 |
% |
2024 |
|
| Daily Mean BP: |
|
1024.5 |
% |
2024 |
1007.0 |
% |
2017 |
|
| |
|
THIS MONTH: |
Apr Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Monthly Mean BP: |
1016.3 |
mb |
1015.5 |
mb |
1018.3 |
mb |
2016 |
-14.0 |
mb |
2014 |
|
| |
| Monthly Mean RH: |
68 |
% |
62 |
% |
100 |
% |
2014 |
0 |
% |
2015 |
|
| |
|
Daily Extremes + Records |
Max |
DD |
Min |
DD |
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
1035.0 |
mb |
02 |
994.0 |
mb |
15 |
1036.0 |
mb |
2016-16 |
986.0 |
mb |
2020-09 |
|
| Daily Mean BP: |
1026.0 |
mb |
02 |
996.5 |
mb |
15 |
1033.5 |
mb |
2016-16 |
993.0 |
mb |
2020-09 |
|
| |
Relative Humidity: |
100 |
% |
02 |
18 |
% |
17 |
100 |
% |
2015-04 |
14 |
% |
2020-25 |
|
| Daily Mean RH: |
96 |
% |
11 |
44 |
% |
17 |
100 |
% |
2017-13 |
35 |
% |
2016-24 |
|
| |
|
LAST MONTH: |
Mar Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Mean Barometric Pressure: |
1010.6 |
mb |
1009.8 |
mb |
1018.4 |
mb |
2020 |
-35.1 |
mb |
2014 |
|
| |
| Mean Relative Humidity: |
70 |
% |
66 |
% |
100 |
% |
2014 |
0 |
% |
2015 |
|
| |
|
Daily Extremes + Records |
Max |
DD |
Min |
DD |
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
1025.0 |
mb |
03 |
986.0 |
mb |
06 |
1043.0 |
mb |
2017-05 |
986.0 |
mb |
2025-06 |
|
| Daily Mean BP: |
1021.5 |
mb |
03 |
992.5 |
mb |
06 |
1039.9 |
mb |
2017-05 |
992.5 |
mb |
2025-06 |
|
| |
Relative Humidity: |
100 |
% |
04 |
28 |
% |
27 |
100 |
% |
2015-15 |
15 |
% |
2021-22 |
|
| Daily Mean RH: |
95 |
% |
05 |
48 |
% |
12 |
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: |
2025 Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Annual Mean BP: |
1015.5 |
mb |
1012.8 |
mb |
13545939.2 |
mb |
2013 |
-121942637.6 |
mb |
2013 |
|
| |
| Annual Mean RH: |
68 |
% |
70 |
% |
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 |
70 |
% |
Mar |
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 |
44 |
% |
Apr-17 |
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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