Marlborough, Wiltshire
| Year | No.Years | Actual Max. | Actual Min. | Cum.Days | Cum. Max. | Cum. Min. | Average Max. | Average Min. |
| 1984 | 1 | 21.28 | 8.33 | 30 | 617.0 | 250.0 | 21.28 | 8.33 |
| 1985 | 2 | 17.80 | 8.01 | 60 | 1151.1 | 490.4 | 19.51 | 8.17 |
| 1986 | 3 | 20.33 | 9.12 | 90 | 1761.0 | 763.9 | 19.79 | 8.49 |
| 1987 | 4 | 18.06 | 8.46 | 120 | 2302.8 | 1017.6 | 19.35 | 8.48 |
| 1988 | 5 | 18.82 | 9.10 | 150 | 2867.4 | 1290.7 | 19.24 | 8.60 |
| 1989 | 6 | 21.55 | 8.84 | 177 | 3449.2 | 1529.4 | 19.60 | 8.64 |
| 1990 | 7 | 18.09 | 8.76 | 205 | 3955.6 | 1774.7 | 19.39 | 8.66 |
| 1991 | 8 | 16.91 | 7.81 | 235 | 4462.9 | 2008.9 | 19.07 | 8.55 |
| 1992 | 9 | 21.84 | 9.00 | 265 | 5118.2 | 2278.9 | 19.39 | 8.60 |
| 1993 | 10 | 21.25 | 9.23 | 292 | 5713.3 | 2528.2 | 19.57 | 8.66 |
| 1994 | 11 | 19.51 | 7.79 | 301 | 5888.9 | 2598.3 | 19.56 | 8.63 |
| 1995 | 12 | 20.11 | 8.71 | 331 | 6492.3 | 2853.7 | 19.60 | 8.62 |
| 1996 | 13 | 21.48 | 7.54 | 361 | 7136.8 | 3079.9 | 19.74 | 8.51 |
| 1997 | 14 | 18.92 | 10.42 | 391 | 7704.5 | 3392.5 | 19.66 | 8.65 |
| 1998 | 15 | 18.62 | 10.66 | 421 | 8263.0 | 3712.4 | 19.63 | 8.82 |
| 1999 | 16 | 19.98 | 8.48 | 451 | 8862.3 | 3966.9 | 19.65 | 8.80 |
| 2000 | 17 | 20.86 | 10.53 | 481 | 9488.1 | 4282.7 | 19.73 | 8.90 |
| 2001 | 18 | 20.69 | 8.91 | 511 | 10108.8 | 4549.9 | 19.78 | 8.90 |
| 2002 | 19 | 18.94 | 9.73 | 541 | 10677.0 | 4841.7 | 19.74 | 8.95 |
| 2003 | 20 | 22.45 | 10.60 | 571 | 11350.6 | 5159.6 | 19.88 | 9.04 |
| 2004 | 21 | 21.66 | 10.34 | 601 | 12000.4 | 5469.7 | 19.97 | 9.10 |
| 2005 | 22 | 21.40 | 10.48 | 631 | 12642.4 | 5784.2 | 20.04 | 9.17 |
| 2006 | 23 | 23.33 | 9.88 | 661 | 13342.2 | 6080.7 | 20.18 | 9.20 |
| 2007 | 24 | 20.80 | 10.95 | 691 | 13966.1 | 6409.3 | 20.21 | 9.28 |
| 2008 | 25 | 19.95 | 9.67 | 721 | 14564.5 | 6699.5 | 20.20 | 9.29 |
| 2009 | 26 | 21.43 | 9.54 | 751 | 15207.3 | 6985.8 | 20.25 | 9.30 |
| 2010 | 27 | 22.41 | 9.00 | 781 | 15879.7 | 7255.8 | 20.33 | 9.29 |
| 2011 | 28 | 19.75 | 8.87 | 811 | 16472.2 | 7522.0 | 20.31 | 9.27 |