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Post-storm snowfall totals certified by a meteorologist.
User-friendly reports, charts, and graphs.
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Reduce conflict and support post-storm documentation for all types of winter service contracts with Certified Snowfall Totals reports plus the addition of VeriFreeze. VeriFreeze provides a daily certification of the occurrence of ice formation due to a recent refreeze event.
All the benefits of the Nation's Leading snowfall verification source, without daily pavement verification. CST provides a complete database of snow and ice events for all you subscribed postal codes. All quality controlled and verified by a meteorologist.
If you need an exact snowfall total or ice verification in Ottawa, K1S, look no further. At WeatherWorks, our meteorologists hold the highest quality control standards in offering the most accurate and reliable post-storm totals after each snow or ice event. With Certified Snowfall Totals, you’re getting more than a number – you’re getting complete documentation of the winter storm event from start to finish. Still not sure if you need CST? Request a FREE demo now.
| Date | Precipitation | Summary |
|---|---|---|
| April 16th, 2025 | Snow | Intermittent Wet Snow Showers April 16th |
| April 10th - 11th, 2025 | Snow | A Few Rounds of Wet Snow Before Rain April 10-11 |
| April 7th - 8th, 2025 | Snow | Rain Changes Over to Periods of Moderate to Locally Heavy Snow April 7-8 |
| April 2nd - 3rd, 2025 | Snow | Some Snow Changes Over to Rain April 2-3 |
| March 29th - 30th, 2025 | Sleet | A Little Sleet Mixes in Before a Changeover to Rain March 29-30 |
| March 28th - 29th, 2025 | Snow | Snowstorm with Periods of Heavy Snowfall Rates from March 28-29 |
| March 27th - 28th, 2025 | Snow | Isolated Snow Showers Mixed with Rain from March 27-28 |
| March 25th - 26th, 2025 | Snow | Snow Showers Mixed with Rain from March 25-26 |
| March 24th, 2025 | Snow | Period of Moderate Snow on the Morning of March 24th |
| March 22nd, 2025 | Snow | Brief Snow Squall on March 22nd |
| March 20th - 21st, 2025 | Snow | Isolated Snow Showers from March 20-21 |
| March 9th - 10th, 2025 | Snow | Period of Light Snow from March 9-10 |
| March 9th, 2025 | Snow | Scattered Snow Showers from the Morning to Early Afternoon on March 9th |
| March 7th - 8th, 2025 | Snow | Scattered Snow Showers from March 7-8 |
| March 6th - 7th, 2025 | Snow | Periods of Light Snow from March 6-7 |
| March 4th, 2025 | Snow | Period of Steady Snow Changes to Rain on March 4th |
| March 3rd, 2025 | Snow | Scattered Flurries and Snow Showers on March 3rd |
| March 1st, 2025 | Snow | Leftover Flurries and Snow Showers on March 1st |
| February 28th - March 1st, 2025 | Snow | Period of Moderate Snow with Brief Heavy Snowfall Rates from February 28 - March 1 |
| February 27th - 28th, 2025 | Snow | Burst of Moderate to Heavy Snow Followed by Intermittent Snow Showers from February 27-28 |
| February 25th - 26th, 2025 | Snow | Isolated Flurries and Snow Showers Mixed With Rain from February 25-26 |
| February 24th, 2025 | Snow | Light Rain Showers Occasionally Mixed With Wet Snow on February 24th |
| February 22nd - 23rd, 2025 | Snow | Periods of Light Snow from February 22-23 |
| February 20th - 21st, 2025 | Snow | Periods of Light Snow from February 20-21 |
| February 18th, 2025 | Snow | Scattered Flurries and Light Snow on February 18th |
| February 15th - 17th, 2025 | Snow | A Major Snowstorm With Periods of Intense Snowfall Rates from February 15-17 |
| February 12th - 13th, 2025 | Snow | A Snowstorm with Heavy Snowfall Rates from February 12-13 |
| February 8th - 11th, 2025 | Snow | Period of Steady Snow Followed by Scattered Snow Showers from February 8-11 |
| February 6th - 8th, 2025 | Snow | Periods of Moderate to Heavy Snow Followed by Snow Showers from February 6-8 |
| February 2nd - 5th, 2025 | Snow | Periods of Steady Snow Followed By Scattered Flurries from February 2-5 |
| January 30th - 31st, 2025 | Snow | Periods of Light Snow from January 30-31 |
| January 27th - 29th, 2025 | Snow | Back-to-Back Storm Systems Bring Steady Snow from January 27-29 |
| January 25th - 27th, 2025 | Snow | Scattered Snow Showers of Varying Intensity from January 25-27 |
| January 22nd - 23rd, 2025 | Snow | Periods of Steady Snow from January 22-23 |
| January 18th - 21st, 2025 | Snow | Scattered Flurries and Snow Showers from January 18-21 |
| January 18th, 2025 | Snow | Period of Light Snow Mixed With Rain on January 18th |
| January 16th - 17th, 2025 | Snow | Periods of Flurries and Light Snow from January 16-17 |
| January 12th - 14th, 2025 | Snow | Periods of Light Snow from January 12-14 |
| January 11th, 2025 | Snow | Scattered Snow Showers on January 11th |
| January 6th - 9th, 2025 | Snow | Scattered Snow Showers from January 6-9 |
| January 3rd - 5th, 2025 | Snow | Periods of Flurries and Light Snow from January 3-5 |
| January 1st - 2nd, 2025 | Snow | Periods of Steady Snow from January 1-2 |
| Date | Precipitation | Summary |
|---|---|---|
| December 29th, 2024 | Snow | Brief Intermittent Snow Showers Changed to Rain on December 29th |
| December 28th, 2024 | Snow | Periods of Flurries and Light Snow Mixed With Rain on December 28th |
| December 24th - 27th, 2024 | Snow | Scattered Snow Showers from December 24-27 |
| December 23rd - 24th, 2024 | Snow | Period of Steady, Moderate Snowfall Brings Impactful Accumulation from December 23-24 |
| December 20th - 21st, 2024 | Snow | Period of Light Snow from December 20-21 |
| December 18th - 19th, 2024 | Snow | Periodic Snow Showers from December 18-19 |
| December 15th - 16th, 2024 | Snow | Widely Scattered Snow Showers from December 15-16 |
| December 12th - 13th, 2024 | Snow | Intermittent Snow Showers from December 12-13 |
| December 9th - 10th, 2024 | Snow | Period of Snow Changes to Rain on December 9-10 |
| December 7th - 8th, 2024 | Snow | Period of Steady and Impactful Snow from December 7-8 |
| December 5th - 6th, 2024 | Snow | Period of Flurries and Light Snow from December 5-6 |
| December 4th - 5th, 2024 | Snow | Long Duration Steady Snow from December 4-5 |
| December 1st - 3rd, 2024 | Snow | Scattered Snow Showers from December 1-3 |
| November 29th - 30th, 2024 | Snow | Scattered Snow Showers From November 29-30 |
| April 20th, 2024 | Snow | Snow for Apr 20th |
| April 3rd - 5th, 2024 | Snow | Snow for Apr 3-5 |
| March 22nd - 23rd, 2024 | Snow | Snow for Mar 22-23 |
| March 20th - 21st, 2024 | Snow | Snow for Mar 20-21 |
| March 18th - 20th, 2024 | Snow | Snow for Mar 18-20 |
| March 10th - 11th, 2024 | Snow | Snow for Mar 10-11 |
| February 25th - 26th, 2024 | Snow | Snow for Feb 25-26 |
| February 21st - 22nd, 2024 | Snow | Snow for Feb 21-22 |
| February 17th - 19th, 2024 | Snow | Snow for Feb 17-19 |
| February 15th - 17th, 2024 | Snow | Snow for Feb 15-17 |
| February 13th - 14th, 2024 | Snow | Snow for Feb 13-14 |
| February 10th - 12th, 2024 | Snow | Snow for Feb 10-12 |
| January 28th - 29th, 2024 | Snow | Snow for Jan 28-29 |
| January 27th, 2024 | Snow | Snow for Jan 27th |
| January 26th, 2024 | Snow | Snow for Jan 26th |
| January 22nd - 24th, 2024 | Wintry Mix | Snow for Jan 22-24 |
| January 20th - 21st, 2024 | Snow | Snow for Jan 20-21 |
| January 18th - 20th, 2024 | Snow | Snow for Jan 18-20 |
| January 15th - 17th, 2024 | Snow | Snow for Jan 15-17 |
| January 14th - 15th, 2024 | Snow | Snow for Jan 14-15 |
| January 11th - 14th, 2024 | Snow | Snow for Jan 11-14 |
| January 10th - 12th, 2024 | Snow | Snow for Jan 10-12 |
| January 9th - 10th, 2024 | Snow | Snow for Jan 9-10 |
| January 6th - 8th, 2024 | Snow | Snow for Jan 6-8 |
| January 4th - 5th, 2024 | Snow | Snow for Jan 4-5 |
| January 2nd - 4th, 2024 | Snow | Snow for Jan 2-4 |
| Date | Precipitation | Summary |
|---|---|---|
| December 31st, 2023 - January 1st, 2024 | Snow | Snow for Dec 31 - Jan 1 |
| December 23rd - 24th, 2023 | Snow | Wintry Mix for Dec 23-24 |
| December 18th - 19th, 2023 | Wintry Mix | Wintry Mix for Dec 18-19 |
| December 12th - 13th, 2023 | Snow | Snow for Dec 12-13 |
| December 10th - 12th, 2023 | Wintry Mix | Snow for Dec 10-12 |
| December 6th - 8th, 2023 | Snow | Snow for Dec 6-8 |
| December 5th - 6th, 2023 | Snow | Snow for Dec 5-6 |
| December 4th - 5th, 2023 | Snow | Snow for Dec 4-5 |
| December 3rd - 4th, 2023 | Wintry Mix | Wintry Mix for Dec 3-4 |
| December 1st - 2nd, 2023 | Snow | Snow for Dec 1-2 |
| November 26th - 30th, 2023 | Snow | Snow for Nov 26-30 |
| November 22nd, 2023 | Snow | Snow for Nov 22nd |
| November 21st - 22nd, 2023 | Wintry Mix | Wintry Mix for Nov 21-22 |
| November 18th - 20th, 2023 | Snow | Snow for Nov 18-20 |
| November 17th, 2023 | Snow | Snow for Nov 17th |
| November 13th - 14th, 2023 | Snow | Snow for Nov 13-14 |
| November 7th - 9th, 2023 | Snow | Snow for Nov 7-9 |
| November 6th, 2023 | Snow | Snow for Nov 6th |
| October 30th, 2023 | Snow | Intervals of Snow and Sleet Mix October 30th |
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