Ottawa Airport (YOW):
PRECIPITATION ANALYSES
Times in Eastern Daylight Time (EDT = GMT-4)
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LIVE OBSERVATIONS at Ottawa Airport (YOW) - Tuesday, May 12, 2026 at 11:00 EDT
TODAY: |
Tuesday Totals + Records |
Total |
Normal |
RecHi |
YY |
|
| Snow: |
0.0 |
cm |
0.0 |
cm |
4.6 |
cm |
1996 |
|
| -Water Equivalent: |
0.0 |
mm |
0.0 |
mm |
0.0 |
mm |
2017 |
|
| Rain: |
0.0 |
mm |
0.0 |
mm |
39.6 |
mm |
2006 |
|
| Total Precipitation: |
0.0 |
mm |
0.0 |
mm |
39.6 |
mm |
2006 |
|
| |
|
YESTERDAY: |
Monday Totals + Records |
Total |
Normal |
RecHi |
YY |
|
| Snow: |
0.0 |
cm |
0.0 |
cm |
0.3 |
cm |
1969 |
|
| -Water Equivalent: |
0.0 |
mm |
0.0 |
mm |
0.0 |
mm |
2017 |
|
| Rain: |
0.2 |
mm |
0.0 |
mm |
32.5 |
mm |
1943 |
|
| Total Precipitation: |
0.2 |
mm |
0.0 |
mm |
32.5 |
mm |
1943 |
|
| |
|
TOMORROW: |
Wednesday All-Time Records |
|
Normal |
RecHi |
YY |
|
| Snow: |
|
0.0 |
cm |
27.9 |
cm |
1998 |
|
| -Water Equivalent: |
|
0.0 |
mm |
0.0 |
mm |
2017 |
|
| Rain: |
|
0.0 |
mm |
24.9 |
mm |
1956 |
|
| Total Precipitation: |
|
0.0 |
mm |
24.9 |
mm |
1956 |
|
| |
|
THIS MONTH: |
May Totals + Records |
May |
Normal |
Diff. |
RecHi |
YY |
RecLo |
YY |
|
| Snow: |
0.0 |
cm |
0.0 |
cm |
|
cm |
329011.1 |
cm |
2016 |
0.0 |
cm |
2016 |
|
| -Water Equivalent: |
0.0 |
mm |
0.0 |
mm |
|
mm |
1026.0 |
mm |
2014 |
-107650034.3 |
mm |
2016 |
|
| Rain: |
8.4 |
mm |
0.0 |
mm |
|
mm |
188.8 |
mm |
2017 |
-107650034.1 |
mm |
2016 |
|
| Total Precipitation: |
8.4 |
mm |
0.0 |
mm |
|
mm |
1024.9 |
mm |
2014 |
-108722904.8 |
mm |
2016 |
|
|
Daily Extremes + Records |
Max |
Day |
RecHi |
YY-DD |
|
| Daily Snow: |
0.0 |
cm |
01 |
0.0 |
cm |
2017-02 |
|
| -Water Equivalent: |
0.0 |
mm |
01 |
0.0 |
mm |
2017-02 |
|
| Daily Rain: |
0.0 |
mm |
01 |
38.6 |
mm |
2017-02 |
|
| Daily Total Precipitation: |
0.0 |
mm |
01 |
38.6 |
mm |
2017-02 |
|
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LAST MONTH: |
April Totals + Records |
Apr |
Normal |
Diff. |
RecHi |
YY |
RecLo |
YY |
|
| Snow: |
0.6 |
cm |
0.0 |
cm |
|
cm |
18.4 |
cm |
2025 |
0.0 |
cm |
2025 |
|
| -Water Equivalent: |
0.2 |
mm |
0.0 |
mm |
|
mm |
1042.0 |
mm |
2014 |
0.0 |
mm |
2015 |
|
| Rain: |
112.8 |
mm |
0.0 |
mm |
|
mm |
121.6 |
mm |
2017 |
0.0 |
mm |
2015 |
|
| Total Precipitation: |
113.0 |
mm |
0.0 |
mm |
|
mm |
1038.1 |
mm |
2014 |
0.0 |
mm |
2015 |
|
|
Daily Extremes + Records |
Max |
Day |
RecHi |
YY-DD |
|
| Daily Snow: |
0.0 |
cm |
01 |
0.0 |
cm |
2017-10 |
|
| -Water Equivalent: |
0.0 |
mm |
01 |
0.0 |
mm |
2017-10 |
|
| Daily Rain: |
16.6 |
mm |
29 |
33.0 |
mm |
2021-30 |
|
| Daily Total Precipitation: |
16.6 |
mm |
29 |
33.0 |
mm |
2021-30 |
|
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NEXT MONTH: |
June Totals + Records |
Jun |
Normal |
Diff. |
RecHi |
YY |
RecLo |
YY |
|
| Snow: |
|
|
0.0 |
cm |
|
|
0.0 |
cm |
2015 |
0.0 |
cm |
2015 |
|
| -Water Equivalent: |
|
|
0.0 |
mm |
|
|
1027.0 |
mm |
2014 |
0.0 |
mm |
2014 |
|
| Rain: |
|
|
0.0 |
mm |
|
|
139.4 |
mm |
2017 |
0.0 |
mm |
2015 |
|
| Total Precipitation: |
|
|
0.0 |
mm |
|
|
1023.5 |
mm |
2014 |
0.0 |
mm |
2015 |
|
|
Daily All-Time Records |
|
RecHi |
YY-DD |
|
| Daily Snow: |
|
0.0 |
cm |
2017-01 |
|
| -Water Equivalent: |
|
0.0 |
mm |
2017-01 |
|
| Daily Rain: |
|
34.7 |
mm |
2021-30 |
|
| Daily Total Precipitation: |
|
34.7 |
mm |
2021-30 |
|
| |
|
THIS YEAR: |
Annual Totals + Records |
2026 |
Normal |
Diff. |
RecHi |
YY |
RecLo |
YY |
|
| Snow: |
170.9 |
cm |
0.0 |
cm |
|
cm |
188117182.2 |
cm |
2017 |
-0.1 |
cm |
2017 |
|
| -Water Equivalent: |
103.4 |
mm |
0.0 |
mm |
|
mm |
185002399.4 |
mm |
2016 |
-108213343.6 |
mm |
2128 |
|
| Rain: |
181.7 |
mm |
0.0 |
mm |
|
mm |
176910475.6 |
mm |
2017 |
-108212291.6 |
mm |
2016 |
|
| Total Precipitation: |
285.1 |
mm |
0.0 |
mm |
|
mm |
176910475.6 |
mm |
2016 |
-108729548.8 |
mm |
2015 |
|
|
Monthly Extremes + Records |
Max |
MM |
Min |
MM |
RecHi |
YY-MM |
RecLo |
YY-MM |
|
| Snow: |
81.6 |
cm |
Jan |
0.6 |
cm |
Jan |
188117182.2 |
cm |
2017-Feb |
-0.1 |
cm |
2017-Feb |
|
| -Water Equivalent: |
49.2 |
mm |
Jan |
0.2 |
mm |
Apr |
185002399.4 |
mm |
2016-Sep |
-108213343.6 |
mm |
2128-May |
|
| Rain: |
112.8 |
mm |
Apr |
0.9 |
mm |
Feb |
176910475.6 |
mm |
2017-Feb |
-108212291.6 |
mm |
2016-Feb |
|
| Total Precipitation: |
113.0 |
mm |
Apr |
31.3 |
mm |
Feb |
176910475.6 |
mm |
2016-Sep |
-108729548.8 |
mm |
2015-Feb |
|
|
Daily Extremes + Records |
Max |
M-DD |
RecHi |
Date |
|
| Daily Snow: |
1.2 |
cm |
Feb-27 |
9.0 |
cm |
2025-02-27 |
|
| -Water Equivalent: |
0.4 |
mm |
Feb-27 |
13554518.4 |
mm |
2014-01-31 |
|
| Daily Rain: |
16.6 |
mm |
Apr-29 |
57.2 |
mm |
2019-10-31 |
|
| Daily Total Precipitation: |
16.6 |
mm |
Apr-29 |
57.2 |
mm |
2019-10-31 |
|
| |
|
LAST YEAR: |
Annual Totals |
2026 |
Normal |
Diff. |
|
| Snow: |
294.6 |
cm |
0.0 |
cm |
|
cm |
|
| -Water Equivalent: |
191.4 |
mm |
0.0 |
mm |
|
mm |
|
| Rain: |
577.5 |
mm |
0.0 |
mm |
|
mm |
|
| Total Precipitation: |
768.9 |
mm |
0.0 |
mm |
|
mm |
|
|
Monthly Extremes |
Max |
MM |
Min |
MM |
|
| Snow: |
109.3 |
cm |
Feb |
0.0 |
cm |
Feb |
|
| -Water Equivalent: |
71.0 |
mm |
Feb |
0.0 |
mm |
May |
|
| Rain: |
141.4 |
mm |
Oct |
1.2 |
mm |
Jan |
|
| Total Precipitation: |
141.4 |
mm |
Oct |
23.5 |
mm |
Jan |
|
|
Daily Extremes |
Max |
M-DD |
|
| Daily Snow: |
9.0 |
cm |
Feb-27 |
|
| -Water Equivalent: |
5.7 |
mm |
Feb-27 |
|
| Daily Rain: |
30.9 |
mm |
Oct-30 |
|
| Daily Total Precipitation: |
30.9 |
mm |
Oct-30 |
|
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