Marlborough, Wiltshire
| Year | No.Years | Act.Mean Temp | Cum.Mean Temp | Av.Mean Temp |
| 1984 | 1 | 3.32 | 3.32 | 3.32 |
| 1985 | 2 | 0.30 | 3.62 | 1.81 |
| 1986 | 3 | 3.14 | 6.76 | 2.25 |
| 1987 | 4 | -0.15 | 6.61 | 1.65 |
| 1988 | 5 | 4.93 | 11.54 | 2.31 |
| 1989 | 6 | 5.70 | 17.24 | 2.87 |
| 1990 | 7 | 6.38 | 23.62 | 3.37 |
| 1991 | 8 | 2.90 | 26.52 | 3.32 |
| 1992 | 9 | 2.77 | 29.29 | 3.25 |
| 1993 | 10 | 6.00 | 35.29 | 3.53 |
| 1994 | 11 | 5.02 | 40.31 | 3.66 |
| 1995 | 12 | 4.66 | 44.97 | 3.75 |
| 1996 | 13 | 4.21 | 49.18 | 3.78 |
| 1997 | 14 | 1.78 | 50.96 | 3.64 |
| 1998 | 15 | 4.66 | 55.62 | 3.71 |
| 1999 | 16 | 5.21 | 60.83 | 3.80 |
| 2000 | 17 | 3.91 | 64.74 | 3.81 |
| 2001 | 18 | 3.03 | 67.77 | 3.77 |
| 2002 | 19 | 5.48 | 73.25 | 3.86 |
| 2003 | 20 | 3.58 | 76.83 | 3.84 |
| 2004 | 21 | 4.84 | 81.67 | 3.89 |
| 2005 | 22 | 5.34 | 87.01 | 3.96 |
| 2006 | 23 | 3.68 | 90.69 | 3.94 |
| 2007 | 24 | 6.53 | 97.22 | 4.05 |
| 2008 | 25 | 6.22 | 103.44 | 4.14 |
| 2009 | 26 | 2.01 | 105.45 | 4.06 |
| 2010 | 27 | 0.48 | 105.93 | 3.92 |
| 2011 | 28 | 3.52 | 109.45 | 3.91 |
| 2012 | 29 | 5.17 | 114.62 | 3.95 |