Marlborough, Wiltshire
| Year | No.Years | Actual Max. | Actual Min. | Days Max. | Days Min. | Cum. Max. | Cum. Min. | Average Max. | Average Min. |
| 1984 | 1 | 23.11 | 8.70 | 22 | 22 | 508.5 | 191.5 | 23.11 | 8.70 |
| 1985 | 2 | 21.95 | 9.42 | 46 | 42 | 1035.3 | 379.9 | 22.51 | 9.05 |
| 1986 | 3 | 21.93 | 10.56 | 68 | 64 | 1517.8 | 612.2 | 22.32 | 9.57 |
| 1987 | 4 | 21.98 | 9.75 | 88 | 83 | 1957.3 | 797.5 | 22.24 | 9.61 |
| 1988 | 5 | 19.00 | 10.20 | 112 | 106 | 2413.3 | 1032.0 | 21.55 | 9.74 |
| 1989 | 6 | 25.84 | 11.40 | 138 | 130 | 3085.1 | 1305.6 | 22.36 | 10.04 |
| 1990 | 7 | 23.72 | 9.81 | 163 | 155 | 3678.1 | 1550.9 | 22.57 | 10.01 |
| 1991 | 8 | 21.99 | 11.84 | 184 | 176 | 4139.8 | 1799.5 | 22.50 | 10.22 |
| 1992 | 9 | 20.21 | 12.00 | 203 | 195 | 4523.8 | 2027.5 | 22.28 | 10.40 |
| 1993 | 10 | 20.90 | 9.79 | 225 | 216 | 4983.6 | 2233.0 | 22.15 | 10.34 |
| 1994 | 11 | 25.06 | 11.74 | 256 | 247 | 5760.5 | 2596.8 | 22.48 | 10.49 |
| 1995 | 12 | 24.85 | 12.00 | 287 | 278 | 6530.8 | 2968.9 | 22.71 | 10.63 |
| 1996 | 13 | 23.52 | 10.48 | 318 | 309 | 7260.0 | 3293.9 | 22.77 | 10.60 |
| 1997 | 14 | 23.00 | 11.31 | 349 | 340 | 7973.1 | 3644.5 | 22.77 | 10.65 |
| 1998 | 15 | 20.49 | 11.28 | 380 | 371 | 8608.1 | 3994.1 | 22.65 | 10.77 |
| 1999 | 16 | 23.82 | 11.47 | 411 | 402 | 9346.4 | 4349.8 | 22.65 | 10.73 |
| 2000 | 17 | 20.87 | 10.99 | 442 | 433 | 9993.5 | 4690.4 | 22.51 | 10.73 |
| 2001 | 18 | 22.95 | 11.83 | 473 | 464 | 10705.0 | 5057.1 | 22.63 | 10.90 |
| 2002 | 19 | 21.50 | 11.34 | 504 | 495 | 11371.6 | 5408.5 | 22.56 | 10.93 |
| 2003 | 20 | 23.12 | 12.22 | 535 | 526 | 12088.2 | 5763.2 | 22.59 | 10.96 |
| 2004 | 21 | 21.69 | 10.84 | 566 | 557 | 12760.5 | 6099.3 | 22.55 | 10.95 |
| 2005 | 22 | 22.33 | 11.98 | 597 | 588 | 13452.8 | 6470.7 | 22.53 | 11.00 |
| 2006 | 23 | 26.77 | 13.17 | 628 | 619 | 14282.8 | 6878.9 | 22.74 | 11.11 |
| 2007 | 24 | 20.51 | 11.12 | 659 | 650 | 14918.5 | 7223.6 | 22.64 | 11.11 |
| 2008 | 25 | 21.54 | 11.38 | 690 | 681 | 15586.1 | 7576.5 | 22.59 | 11.13 |
| 2009 | 26 | 21.28 | 12.08 | 721 | 712 | 16245.8 | 7951.1 | 22.53 | 11.17 |
| 2010 | 27 | 23.43 | 12.47 | 752 | 743 | 16972.2 | 8337.6 | 22.57 | 11.22 |
| 2011 | 28 | 21.31 | 10.01 | 783 | 774 | 17632.7 | 8647.9 | 22.52 | 11.17 |