| Weekly Climate Stats (1900 - 2009) | |||||||||||||||
| Average | Average | 1 in20 | 1 in20 | Record | Record | Prob | Prob | Prob | Prob | Prob | Prob | ||||
| Week | Date | Max | Min | High | Cold | Max | Min | <0C | <-5C | <-8C | >22C | >25C | >30C | ||
| 1 | 4 Jan | 6.6 | 1.2 | 11.7 | -4.9 | 13.9 | -18.1 | 41.3% | 5.8% | 2.2% | 0.0% | 0.0% | 0.0% | ||
| 2 | 11 Jan | 6.5 | 1.1 | 11.9 | -5.4 | 14.4 | -14.9 | 39.9% | 6.5% | 2.1% | 0.0% | 0.0% | 0.0% | ||
| 3 | 18 Jan | 6.4 | 1.0 | 11.8 | -4.7 | 14.4 | -13.9 | 39.6% | 5.8% | 1.6% | 0.0% | 0.0% | 0.0% | ||
| 4 | 25 Jan | 6.3 | 0.9 | 11.6 | -4.9 | 14.4 | -16.5 | 42.2% | 5.7% | 1.8% | 0.0% | 0.0% | 0.0% | ||
| 5 | 1 Feb | 6.5 | 0.8 | 12.3 | -4.6 | 16.4 | -15.0 | 38.7% | 4.9% | 1.0% | 0.0% | 0.0% | 0.0% | ||
| 6 | 8 Feb | 6.6 | 0.7 | 12.4 | -5.1 | 16.8 | -15.0 | 38.8% | 5.6% | 1.4% | 0.0% | 0.0% | 0.0% | ||
| 7 | 15 Feb | 6.8 | 0.6 | 12.2 | -5.7 | 17.1 | -12.1 | 45.5% | 7.7% | 1.6% | 0.0% | 0.0% | 0.0% | ||
| 8 | 22 Feb | 7.2 | 0.7 | 12.7 | -4.5 | 16.3 | -12.2 | 39.5% | 4.2% | 0.6% | 0.0% | 0.0% | 0.0% | ||
| 9 | 1 Mar | 8.0 | 1.1 | 13.4 | -3.9 | 17.8 | -11.7 | 36.0% | 3.0% | 0.6% | 0.0% | 0.0% | 0.0% | ||
| 10 | 8 Mar | 8.8 | 1.6 | 14.5 | -3.4 | 22.8 | -10.6 | 30.9% | 2.7% | 0.1% | 0.1% | 0.0% | 0.0% | ||
| 11 | 15 Mar | 9.5 | 2.1 | 15.5 | -2.7 | 20.9 | -7.2 | 24.8% | 1.3% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 12 | 22 Mar | 10.4 | 2.4 | 16.4 | -2.2 | 22.2 | -6.1 | 23.1% | 0.8% | 0.0% | 0.1% | 0.0% | 0.0% | ||
| 13 | 29 Mar | 10.8 | 2.7 | 17.4 | -2.1 | 23.3 | -5.1 | 20.6% | 0.3% | 0.0% | 0.3% | 0.0% | 0.0% | ||
| 14 | 5 Apr | 11.3 | 3.1 | 16.8 | -1.5 | 26.1 | -6.1 | 16.1% | 0.4% | 0.0% | 0.4% | 0.3% | 0.0% | ||
| 15 | 12 Apr | 12.2 | 3.6 | 18.7 | -0.9 | 25.0 | -4.4 | 12.7% | 0.0% | 0.0% | 1.0% | 0.1% | 0.0% | ||
| 16 | 19 Apr | 12.9 | 4.1 | 19.8 | -0.8 | 25.0 | -4.4 | 11.7% | 0.0% | 0.0% | 2.3% | 0.3% | 0.0% | ||
| 17 | 26 Apr | 13.7 | 4.7 | 18.9 | -0.4 | 23.6 | -3.3 | 7.9% | 0.0% | 0.0% | 0.5% | 0.0% | 0.0% | ||
| 18 | 3 May | 14.5 | 5.4 | 20.9 | 0.2 | 27.2 | -3.3 | 5.3% | 0.0% | 0.0% | 3.8% | 0.8% | 0.0% | ||
| 19 | 10 May | 15.8 | 6.1 | 22.9 | 1.0 | 28.9 | -3.3 | 3.1% | 0.0% | 0.0% | 7.9% | 1.9% | 0.0% | ||
| 20 | 17 May | 16.4 | 6.8 | 22.5 | 1.6 | 28.9 | -2.9 | 1.8% | 0.0% | 0.0% | 7.1% | 1.6% | 0.0% | ||
| 21 | 24 May | 17.4 | 7.5 | 23.7 | 2.9 | 31.1 | -1.5 | 0.4% | 0.0% | 0.0% | 11.9% | 3.0% | 0.3% | ||
| 22 | 31 May | 17.9 | 8.2 | 24.0 | 2.9 | 33.9 | -0.1 | 0.4% | 0.0% | 0.0% | 12.6% | 3.2% | 0.5% | ||
| 23 | 7 Jun | 18.6 | 8.9 | 25.8 | 4.3 | 32.0 | 0.8 | 0.0% | 0.0% | 0.0% | 19.0% | 7.1% | 0.6% | ||
| 24 | 14 Jun | 19.0 | 9.4 | 25.1 | 4.2 | 31.1 | 0.6 | 0.0% | 0.0% | 0.0% | 20.3% | 6.0% | 0.1% | ||
| 25 | 21 Jun | 19.6 | 10.0 | 26.0 | 5.5 | 32.0 | 1.7 | 0.0% | 0.0% | 0.0% | 23.2% | 9.2% | 0.4% | ||
| 26 | 28 Jun | 20.0 | 10.6 | 26.2 | 5.6 | 32.8 | 0.0 | 0.0% | 0.0% | 0.0% | 26.8% | 9.5% | 0.9% | ||
| 27 | 5 Jul | 20.9 | 11.0 | 26.9 | 6.7 | 32.8 | 2.8 | 0.0% | 0.0% | 0.0% | 37.0% | 14.4% | 1.0% | ||
| 28 | 12 Jul | 21.2 | 11.5 | 27.9 | 7.3 | 33.3 | 4.4 | 0.0% | 0.0% | 0.0% | 40.5% | 19.0% | 1.9% | ||
| 29 | 19 Jul | 21.4 | 11.7 | 27.7 | 7.1 | 33.3 | 2.8 | 0.0% | 0.0% | 0.0% | 39.2% | 16.5% | 2.1% | ||
| 30 | 26 Jul | 21.8 | 11.9 | 28.1 | 7.5 | 32.4 | 2.8 | 0.0% | 0.0% | 0.0% | 44.9% | 20.0% | 1.6% | ||
| 31 | 2 Aug | 21.8 | 11.9 | 28.1 | 7.5 | 34.5 | 2.8 | 0.0% | 0.0% | 0.0% | 43.8% | 19.1% | 1.2% | ||
| 32 | 9 Aug | 21.7 | 11.9 | 28.1 | 7.4 | 35.7 | 4.9 | 0.0% | 0.0% | 0.0% | 42.3% | 16.4% | 2.1% | ||
| 33 | 16 Aug | 21.7 | 11.5 | 27.3 | 7.2 | 35.8 | 3.3 | 0.0% | 0.0% | 0.0% | 42.5% | 15.7% | 0.9% | ||
| 34 | 23 Aug | 21.0 | 11.2 | 26.8 | 6.4 | 32.2 | 2.2 | 0.0% | 0.0% | 0.0% | 35.7% | 13.5% | 0.8% | ||
| 35 | 30 Aug | 20.6 | 10.8 | 26.4 | 6.1 | 33.3 | 2.8 | 0.0% | 0.0% | 0.0% | 30.4% | 10.8% | 1.6% | ||
| 36 | 6 Sep | 20.1 | 10.2 | 25.6 | 5.2 | 32.9 | 1.1 | 0.0% | 0.0% | 0.0% | 26.0% | 9.4% | 0.6% | ||
| 37 | 13 Sep | 18.8 | 9.7 | 24.5 | 4.7 | 31.7 | 1.0 | 0.0% | 0.0% | 0.0% | 16.1% | 4.0% | 0.3% | ||
| 38 | 20 Sep | 18.1 | 9.3 | 23.1 | 4.0 | 27.2 | -1.1 | 0.3% | 0.0% | 0.0% | 8.7% | 1.9% | 0.0% | ||
| 39 | 27 Sep | 17.4 | 8.8 | 22.1 | 3.2 | 26.7 | -1.1 | 0.4% | 0.0% | 0.0% | 6.2% | 0.8% | 0.0% | ||
| 40 | 4 Oct | 16.3 | 8.0 | 21.2 | 2.5 | 27.1 | -2.2 | 0.9% | 0.0% | 0.0% | 2.9% | 0.6% | 0.0% | ||
| 41 | 11 Oct | 15.5 | 7.3 | 20.4 | 1.4 | 25.6 | -1.1 | 1.7% | 0.0% | 0.0% | 2.2% | 0.3% | 0.0% | ||
| 42 | 18 Oct | 14.0 | 6.6 | 18.4 | 0.6 | 23.3 | -3.9 | 3.9% | 0.0% | 0.0% | 0.3% | 0.0% | 0.0% | ||
| 43 | 25 Oct | 13.0 | 5.8 | 16.9 | -0.5 | 19.8 | -6.7 | 7.4% | 0.3% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 44 | 1 Nov | 12.0 | 5.2 | 16.2 | -0.8 | 20.6 | -6.1 | 9.4% | 0.1% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 45 | 8 Nov | 10.8 | 4.1 | 14.6 | -1.3 | 20.6 | -4.4 | 12.7% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 46 | 15 Nov | 9.4 | 3.5 | 13.9 | -2.5 | 17.2 | -6.7 | 21.2% | 0.6% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 47 | 22 Nov | 8.9 | 3.0 | 13.6 | -2.3 | 16.6 | -7.2 | 22.9% | 0.9% | 0.0% | 0.0% | 0.0% | 0.0% | ||
| 48 | 29 Nov | 8.3 | 2.5 | 12.7 | -3.2 | 15.5 | -9.1 | 26.8% | 2.3% | 0.3% | 0.0% | 0.0% | 0.0% | ||
| 49 | 6 Dec | 7.8 | 2.0 | 12.5 | -3.6 | 15.0 | -9.4 | 31.6% | 3.0% | 0.1% | 0.0% | 0.0% | 0.0% | ||
| 50 | 13 Dec | 7.2 | 1.8 | 12.5 | -3.6 | 14.9 | -12.5 | 32.2% | 2.9% | 0.6% | 0.0% | 0.0% | 0.0% | ||
| 51 | 20 Dec | 6.9 | 1.5 | 11.8 | -4.0 | 15.0 | -12.8 | 33.1% | 3.6% | 0.8% | 0.0% | 0.0% | 0.0% | ||
| 52 | 27 Dec | 6.7 | 1.4 | 11.9 | -4.6 | 15.0 | -12.0 | 35.8% | 4.8% | 1.5% | 0.0% | 0.0% | 0.0% | ||
| Earliest and Latest Events (1900 - 2009) | |||||||||||||||
| Latest Sub-Zero | 03 Jun 1965 | Latest Before Sub-Zero | 13 Dec 2009 | ||||||||||||
| Earliest Sub-Zero | 20 Sep 1919 | Median First Sub-Zero | 02 Nov | ||||||||||||
| Earliest 20C | 09 Mar 1948 | Latest Before 20C reached | 01 Jun 1983 | ||||||||||||
| Earliest 25C | 04 Apr 1946 | Median First 20C reached | 30 Apr | ||||||||||||
| Earliest 30C | 22 May 1922 | ||||||||||||||
| Latest 20C | 05 Nov 1938 | Earliest for last 20C | 29 Aug 1912 | ||||||||||||
| Latest 25C | 10 Oct 1921 | ||||||||||||||
| Latest 30C | 16 Sep 1947 | ||||||||||||||
| Largest Day to Day Changes (1900 - 2009) | |||||||||||||||
| Greatest One Day Rise in Max Temp | 11.7C | +1.1C to +12.8C | 07 Jan 1920 | ||||||||||||
| Greatest One Day Summer Rise in Max Temp | 10.0C | +13.4C to +23.4C | 21 Jul 1997 | ||||||||||||
| Greatest One Day Fall in Max Temp | 17.2C | +26.1C to +8.9C | 05 Apr 1946 | ||||||||||||
| Greatest One Day Rise in Min Temp | 14.4C | -11.1C to +3.3C | 18 Dec 1925 | ||||||||||||
| Greatest One Day Fall in Min Temp | 13.3C | +13.3C to 0.0C | 11 Oct 1961 | ||||||||||||
| Probability of an 5C Rise in Max Temp | in Winter | 1.6% | |||||||||||||
| in Spring | 2.5% | ||||||||||||||
| in Summer | 2.3% | ||||||||||||||
| in Autumn | 1.1% | ||||||||||||||