Marlborough, Wiltshire
| Year | No.Years | Act. Mean Temp | Cum. Mean Temp | Av. Mean Temp |
| 1984 | 1 | 3.27 | 3.27 | 3.27 |
| 1985 | 2 | 1.85 | 5.12 | 2.56 |
| 1986 | 3 | -2.02 | 3.10 | 1.03 |
| 1987 | 4 | 3.88 | 6.98 | 1.75 |
| 1988 | 5 | 4.01 | 10.99 | 2.20 |
| 1989 | 6 | 5.69 | 16.68 | 2.78 |
| 1990 | 7 | 7.04 | 23.72 | 3.39 |
| 1991 | 8 | 0.89 | 24.61 | 3.08 |
| 1992 | 9 | 4.80 | 29.41 | 3.27 |
| 1993 | 10 | 4.09 | 33.50 | 3.35 |
| 1994 | 11 | 3.38 | 36.88 | 3.35 |
| 1995 | 12 | 6.38 | 43.26 | 3.61 |
| 1996 | 13 | 2.14 | 45.40 | 3.49 |
| 1997 | 14 | 6.39 | 51.79 | 3.70 |
| 1998 | 15 | 6.51 | 58.30 | 3.89 |
| 1999 | 16 | 4.83 | 63.13 | 3.95 |
| 2000 | 17 | 5.67 | 68.80 | 4.05 |
| 2001 | 18 | 4.35 | 73.15 | 4.06 |
| 2002 | 19 | 6.55 | 79.70 | 4.19 |
| 2003 | 20 | 3.83 | 83.53 | 4.18 |
| 2004 | 21 | 4.90 | 88.43 | 4.21 |
| 2005 | 22 | 3.78 | 92.21 | 4.19 |
| 2006 | 23 | 2.74 | 94.95 | 4.13 |
| 2007 | 24 | 5.61 | 100.56 | 4.19 |
| 2008 | 25 | 4.49 | 105.05 | 4.20 |
| 2009 | 26 | 3.41 | 108.46 | 4.17 |
| 2010 | 27 | 3.08 | 111.54 | 4.13 |
| 2011 | 28 | 6.08 | 117.62 | 4.20 |