Ottawa Airport (YOW):
BAROMETRIC PRESSURE
RELATIVE HUMIDITY
Times in Eastern Standard Time (EST = GMT-5)
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LIVE OBSERVATIONS at Ottawa Airport (YOW) - Thursday, February 12, 2026 at 16:00 EST
TODAY: |
Thursday |
Reading |
Time |
CTO |
RecHi |
YY |
RecLo |
YY |
|
Current Barometric Pressure: |
1019.0 |
mb |
|
1018.1 |
mb |
|
|
|
|
|
|
|
Maximum Today: |
1019.0 |
mb |
09:00 |
1018.5 |
mb |
1040.0 |
mb |
2018 |
|
|
|
|
Minimum: |
1013.0 |
mb |
00:00 |
1012.4 |
mb |
|
|
|
1000.0 |
mb |
2017 |
|
| Mean: |
1016.0 |
mb |
|
1015.4 |
mb |
1030.5 |
mb |
2021 |
1010.5 |
mb |
2015 |
|
| |
Current Relative Humidity: |
43 |
% |
|
50 |
% |
|
|
|
|
|
|
|
Maximum Today: |
80 |
% |
03:00 |
81 |
% |
100 |
% |
2017 |
|
|
|
|
Minimum: |
43 |
% |
16:00 |
44 |
% |
|
|
|
40 |
% |
2025 |
|
| Mean: |
62 |
% |
|
62 |
% |
92 |
% |
2017 |
56 |
% |
2025 |
|
| |
|
YESTERDAY: |
Wednesday |
Reading |
Time |
CTO |
RecHi |
YY |
RecLo |
YY |
|
Maximum Barometric Pressure: |
1013.0 |
mb |
23:00 |
1012.4 |
mb |
1037.0 |
mb |
2014 |
|
|
|
|
Minimum: |
1005.0 |
mb |
04:00 |
1003.9 |
mb |
|
|
|
1003.0 |
mb |
2022 |
|
| Mean: |
1009.0 |
mb |
|
1008.2 |
mb |
1032.0 |
mb |
2014 |
1007.0 |
mb |
2022 |
|
| |
Maximum Relative Humidity: |
88 |
% |
04:00 |
89 |
% |
98 |
% |
2018 |
|
|
|
|
Minimum: |
69 |
% |
16:00 |
68 |
% |
|
|
|
39 |
% |
2025 |
|
| Mean: |
78 |
% |
|
78 |
% |
90 |
% |
2018 |
58 |
% |
2025 |
|
| |
|
TOMORROW: |
Friday |
|
RecHi |
YY |
RecLo |
YY |
|
Barometric Pressure: |
|
1045.0 |
mb |
2018 |
990.0 |
mb |
2014 |
|
| Daily Mean BP: |
|
1038.5 |
mb |
2018 |
995.9 |
mb |
2014 |
|
| |
Relative Humidity: |
|
100 |
% |
2017 |
48 |
% |
2016 |
|
| Daily Mean BP: |
|
1038.5 |
% |
2018 |
995.9 |
% |
2014 |
|
| |
|
THIS MONTH: |
Feb Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Monthly Mean BP: |
1017.8 |
mb |
1016.6 |
mb |
169988485.1 |
mb |
2017 |
-107499066.0 |
mb |
2015 |
|
| |
| Monthly Mean RH: |
69 |
% |
70 |
% |
1869762592 |
% |
2017 |
-1225804048 |
% |
2015 |
|
| |
|
Daily Extremes + Records |
Max |
DD |
Min |
DD |
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
1031.0 |
mb |
08 |
1001.0 |
mb |
06 |
1045.0 |
mb |
2018-13 |
985.0 |
mb |
2020-07 |
|
| Daily Mean BP: |
1028.0 |
mb |
08 |
1007.0 |
mb |
06 |
1039.2 |
mb |
2015-28 |
989.7 |
mb |
2016-25 |
|
| |
Relative Humidity: |
90 |
% |
03 |
42 |
% |
09 |
100 |
% |
2014-01 |
32 |
% |
2021-26 |
|
| Daily Mean RH: |
82 |
% |
03 |
57 |
% |
09 |
100 |
% |
2018-20 |
48 |
% |
2024-29 |
|
| |
|
LAST MONTH: |
Jan Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Mean Barometric Pressure: |
1014.1 |
mb |
1013.0 |
mb |
170199997.2 |
mb |
2017 |
-108179039.6 |
mb |
2015 |
|
| |
| Mean Relative Humidity: |
74 |
% |
77 |
% |
1881171822 |
% |
2017 |
-1225562384 |
% |
2015 |
|
| |
|
Daily Extremes + Records |
Max |
DD |
Min |
DD |
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
1041.0 |
mb |
24 |
993.0 |
mb |
14 |
1046.0 |
mb |
2018-15 |
0.0 |
mb |
2015-01 |
|
| Daily Mean BP: |
1037.5 |
mb |
24 |
997.0 |
mb |
14 |
1041.0 |
mb |
2018-15 |
883.0 |
mb |
2015-01 |
|
| |
Relative Humidity: |
97 |
% |
11 |
41 |
% |
23 |
100 |
% |
2016-01 |
32 |
% |
2017-11 |
|
| Daily Mean RH: |
87 |
% |
07 |
54 |
% |
24 |
100 |
% |
2017-18 |
53 |
% |
2019-28 |
|
| |
|
NEXT MONTH: |
March Monthly Records |
|
RecHi |
YY |
RecLo |
YY |
|
| Mean Barometric Pressure: |
|
1018.4 |
mb |
2020 |
-35.1 |
mb |
2014 |
|
| |
| Mean Relative Humidity: |
|
100 |
% |
2014 |
0 |
% |
2015 |
|
| |
|
March Daily Records |
|
RecHi |
YY-DD |
RecLo |
YY-DD |
|
Barometric Pressure: |
|
1043.0 |
mb |
2017-05 |
986.0 |
mb |
2025-06 |
|
| Daily Mean BP: |
|
1039.9 |
mb |
2017-05 |
992.5 |
mb |
2025-06 |
|
| |
Relative Humidity: |
|
100 |
% |
2015-15 |
15 |
% |
2021-22 |
|
| Daily Mean RH: |
|
98 |
% |
2018-14 |
46 |
% |
2017-13 |
|
| |
|
THIS YEAR: |
2026 Means + Records |
Mean |
CTO |
RecHi |
YY |
RecLo |
YY |
|
| Annual Mean BP: |
1017.3 |
mb |
1013.0 |
mb |
13545939.2 |
mb |
2013 |
-121942637.6 |
mb |
2013 |
|
| |
| Annual Mean RH: |
68 |
% |
77 |
% |
134532195 |
% |
2013 |
-1225007104 |
% |
2056 |
|
| |
|
Monthly Extremes + Records |
Max |
MM |
Min |
MM |
RecHi |
YY-MM |
RecLo |
YY-MM |
|
| Monthly Mean BP: |
1014.1 |
mb |
Jan |
1014.1 |
mb |
Jan |
170199997.2 |
mb |
2016-Sep |
-108179039.6 |
mb |
2015-Jan |
|
| |
| Monthly Mean RH: |
74 |
% |
Jan |
74 |
% |
Jan |
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 |
993.0 |
mb |
Jan-14 |
13554508.8 |
mb |
2014-01-31 |
-122673840.8 |
mb |
2014-01-31 |
|
| Daily Mean BP: |
1037.5 |
mb |
Jan-24 |
997.0 |
mb |
Jan-14 |
13554518.4 |
mb |
2014-01-31 |
0.0 |
mb |
2014-01-31 |
|
| |
Relative Humidity: |
97 |
% |
Jan-11 |
41 |
% |
Jan-23 |
100 |
% |
2015-03-15 |
-1224780080 |
% |
2014-01-31 |
|
| Daily Mean RH: |
87 |
% |
Jan-07 |
54 |
% |
Jan-24 |
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 |
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