Data Tables
Daily MonthlyRankings
Daily MonthlyReports
Daily Monthly Annual Charts⚙︎ Site units
| Top monthly total | ||
| Rank | Value | Date |
| 1 | 91 | Mar 2013 |
| 2 | 35 | Mar 2010 |
| 3 | 12 | Mar 2011 |
| 4 | 0.9 | Mar 2009 |
| Bottom monthly total | ||
| Rank | Value | Date |
| 1 | 0 | Mar 2012 |
| 2 | 0 | Mar 2026 |
| 3 | 0.9 | Mar 2009 |
| 4 | 12 | Mar 2011 |
Air-frost Hrs monthly extremes: highest and lowest monthly totals.
There are 6 valid months for the chosen period from 2009 to present for Mar in London, NW3.
| Top monthly count | ||
| Rank | Value | Date |
| 1 | 31 | Mar 2026 |
| 2 | 31 | Mar 2013 |
| 3 | 31 | Mar 2012 |
| 4 | 31 | Mar 2011 |
| Bottom monthly count | ||
| Rank | Value | Date |
| 1 | 31 | Mar 2009 |
| 2 | 31 | Mar 2010 |
| 3 | 31 | Mar 2011 |
| 4 | 31 | Mar 2012 |
Air-frost Hrs monthly extremes: most and fewest days with a value.
There are 6 valid months for the chosen period from 2009 to present for Mar in London, NW3.
| Top monthly lowest | ||
| Rank | Value | Date |
| 1 | 0 | Mar 2026 |
| 2 | 0 | Mar 2013 |
| 3 | 0 | Mar 2012 |
| 4 | 0 | Mar 2011 |
| Bottom monthly lowest | ||
| Rank | Value | Date |
| 1 | 0 | Mar 2009 |
| 2 | 0 | Mar 2010 |
| 3 | 0 | Mar 2011 |
| 4 | 0 | Mar 2012 |
Air-frost Hrs monthly extremes: highest and lowest monthly minima.
There are 6 valid months for the chosen period from 2009 to present for Mar in London, NW3.
| Top monthly highest | ||
| Rank | Value | Date |
| 1 | 20 | Mar 2013 |
| 2 | 14 | Mar 2010 |
| 3 | 7 | Mar 2011 |
| 4 | 0.9 | Mar 2009 |
| Bottom monthly highest | ||
| Rank | Value | Date |
| 1 | 0 | Mar 2012 |
| 2 | 0 | Mar 2026 |
| 3 | 0.9 | Mar 2009 |
| 4 | 7 | Mar 2011 |
Air-frost Hrs monthly extremes: highest and lowest monthly maxima.
There are 6 valid months for the chosen period from 2009 to present for Mar in London, NW3.