| No. | Location | Temp |
| 1 | Hamilton Rbg Cs, Ont (Canada) | 23.1° C |
| 2 | Sarnia Climate, Ont (Canada) | 23° C |
| 3 | Sarnia Chris Hadfield A, Ont (Canada) | 22.7° C |
| 4 | Point Pelee Cs, Ont (Canada) | 22.5° C |
| 5 | Toronto Pearson Int'L. Ont. (Canada) | 22.5° C |
| 6 | Windsor, Ont. (Canada) | 22.5° C |
| 7 | Burlington Piers (Canada) | 22.3° C |
| 8 | Vineland Station Rcs, Ont (Canada) | 22.1° C |
| 9 | Goderich Automatic Weather Reporting System (Canada) | 22° C |
| 10 | Guelph Turfgrass Ins (Canada) | 22° C |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | ||
| No. | Location | Temp |
| 1 | Margaret Lake, Yt (Canada) | -20° C |
| 2 | Hall Beach A, Nu (Canada) | -19.4° C |
| 3 | Hall Beach Climate, Nu (Canada) | -19.3° C |
| 4 | Kugaaruk Climate, Nu (Canada) | -18.7° C |
| 5 | Burwash Y. T. (Canada) | -17.9° C |
| 6 | Burwash, Yt (Canada) | -17.7° C |
| 7 | Old Crow Automatic Weather Reporting System (Canada) | -17.1° C |
| 8 | Pond Inlet Climate, Nu (Canada) | -16.2° C |
| 9 | Coral Harbour, N. W. T. (Canada) | -16° C |
| 10 | Clyde River Climate, Nu (Canada) | -15.5° C |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | ||
| No. | Location | Precip |
| 1 | Ridgetown Rcs, Ont (Canada) | 17.3 mm |
| 2 | Vineland Station Rcs, Ont (Canada) | 17.3 mm |
| 3 | Sarnia Climate, Ont (Canada) | 17.2 mm |
| 4 | Port Weller, Ont. (Canada) | 17 mm |
| 5 | Point Pelee Cs, Ont (Canada) | 17 mm |
| 6 | Cedar Springs (Canada) | 16.9 mm |
| 7 | Burlington Piers (Canada) | 16.8 mm |
| 8 | Sarnia Chris Hadfield A, Ont (Canada) | 16.7 mm |
| 9 | Delhi Cs, Ont. (Canada) | 16.7 mm |
| 10 | Goderich Automatic Weather Reporting System (Canada) | 16.6 mm |
| Script courtesy of Michael Holden of Relay Weather. Data courtesy of Ogimet | ||
| Warning: Many data filters have been introduced to the above data. Use caution with this data as some extreme values can be erroneous due to unsuspected errors in synop reports. All data should be verified. Note that the values we listed here are from international released synop reports, and for certain there will be other extreme values not in this list |