| 413-4 | Somerset v Devon | The Recreation Ground, Torquay | 1990 | a6608 |
| 405 | Somerset v Nottinghamshire | The Cooper Associates County Ground, Taunton | 2017 | a25664 |
| 403-3 | Somerset v Scotland | County Ground, Taunton | 2009 | a19793 |
| 377-9 | Somerset v Sussex | County Ground, Hove | 2003 | a15336 |
| 372-7 | Somerset v Glamorgan | The Cooper Associates County Ground, Taunton | 2018 | a26416 |
| 371-8 | Somerset v Kent | County Ground, Taunton | 2014 | a23446 |
| 368-4 | Somerset v Glamorgan | County Ground, Taunton | 2010 | a20759 |
| 367-5 | Somerset v Herefordshire | County Ground, Taunton | 1997 | a10584 |
| 360-3 | Somerset v Glamorgan | The Gnoll, Neath | 1990 | a6658 |
| 360-7 | Somerset v Hampshire | The Ageas Bowl, Southampton | 2018 | a26480 |
| 358-9 | Somerset v Kent | The Cooper Associates County Ground, Taunton | 2019 | a27282 |
| 354-6 | Somerset v Kent | The Cooper Associates County Ground, Taunton | 2017 | a25516 |
| 353-5 | Somerset v Essex | The Cooper Associates County Ground, Taunton | 2019 | a27329 |
| 349-4 | Somerset v Oxfordshire | The Butts Way, Kingston Blount | 1994 | a8688 |
| 349-7 | Somerset v Ireland | County Ground, Taunton | 1997 | a10473 |
| 345-6 | Somerset v Australians | County Ground, Taunton | 2005 | a16672 |
| 345-4 | Somerset v Yorkshire | County Ground, Taunton | 2005 | a16791 |
| 344-5 | Somerset v Kent | County Ground, Taunton | 2002 | a14428 |
| 341-8 | Somerset v Ireland | County Ground, Taunton | 2007 | a18213 |
| 339-9 | Somerset v Warwickshire | Edgbaston, Birmingham | 1995 | a9308 |
| 338-5 | Somerset v Kent | St Lawrence Ground, Canterbury | 2006 | a17391 |
| 338-5 | Somerset v Yorkshire | Headingley, Leeds | 2013 | a22617 |
| 338-3 | Somerset v Glamorgan | The SSE SWALEC Stadium, Cardiff | 2017 | a25534 |
| 337-8 | Somerset v Worcestershire | Blackfinch New Road, Worcester | 2019 | a27379 |
| 337 | Somerset v Nottinghamshire | Trent Bridge, Nottingham | 2019 | a27383 |
| 335-6 | Somerset v Middlesex | The Cooper Associates County Ground, Taunton | 2022 | a29377 |
| 334-4 | Somerset v Leicestershire | The Cooper Associates County Ground, Taunton | 2024 | a31092 |
| 333-8 | Somerset v Suffolk | County Ground, Taunton | 1996 | a9924 |
| 333-4 | Somerset v Gloucestershire | County Ground, Taunton | 2008 | a19125 |
| 333 | Somerset v Durham | The Cooper Associates County Ground, Taunton | 2022 | a29355 |
| 333-5 | Somerset v Derbyshire | The Incora County Ground, Derby | 2023 | a30168 |
| 332-6 | Somerset v Sri Lankans | County Ground, Taunton | 2006 | a17483 |
| 332-5 | Somerset v Middlesex | Lord's Cricket Ground, St John's Wood | 2007 | a18251 |
| 330-4 | Somerset v Glamorgan | Sophia Gardens, Cardiff | 1978 | a2237 |
| 328 | Somerset v Northamptonshire | County Ground, Northampton | 2023 | a30124 |
| 327-8 | Somerset v Durham | County Ground, Taunton | 2015 | a24173 |
| 326-7 | Somerset v Leicestershire | The Cooper Associates County Ground, Taunton | 2021 | a28516 |
| 325-6 | Somerset v Surrey | County Ground, Taunton | 2005 | a16598 |
| 323-3 | Somerset v Leicestershire | Grace Road, Leicester | 2013 | a22642 |
| 322-4 | Somerset v Middlesex | Lord's Cricket Ground, St John's Wood | 1996 | a9800 |
| 322-7 | Somerset v Glamorgan | The Cooper Associates County Ground, Taunton | 2016 | a24833 |
| 321-5 | Somerset v Sussex | County Ground, Hove | 1990 | a6548 |
| 319-2 | Somerset v Hampshire | County Ground, Southampton | 1987 | a5221 |
| 319-4 | Somerset v Nottinghamshire | County Ground, Taunton | 1994 | a8728 |
| 318-6 | Somerset v Sussex | The Cooper Associates County Ground, Taunton | 2023 | a30131 |
| 316-5 | Somerset v Ireland | Woodvale Road, Eglinton | 1995 | a9235 |
| 316-5 | Somerset v Derbyshire | County Ground, Derby | 2004 | a15899 |
| 316-5 | Somerset v Derbyshire | The Cooper Associates County Ground, Taunton | 2024 | a31039 |
| 315-8 | Somerset v Surrey | County Ground, Taunton | 1999 | a12082 |
| 315-5 | Somerset v Durham | County Ground, Taunton | 2014 | a23427 |
| 312-6 | Somerset v Essex | County Ground, Taunton | 2010 | a20769 |
| 310-3 | Somerset v Derbyshire | County Ground, Taunton | 1990 | a6510 |
| 310-9 | Somerset v Glamorgan | County Ground, Taunton | 2007 | a18193 |
| 307-6 | Somerset v Gloucestershire | County Ground, Taunton | 1982 | a3319 |
| 306-8 | Somerset v Yorkshire | County Ground, Taunton | 2002 | a14290 |
| 305-9 | Somerset v Middlesex | John Walker's Ground, Southgate | 2003 | a15211 |
| 305-7 | Somerset v Worcestershire | County Ground, Taunton | 2015 | a24184 |
| 303-5 | Somerset v Surrey | The Brit Oval, Kennington | 2010 | a20683 |
| 303-5 | Somerset v Sussex | The 1st Central County Ground, Hove | 2017 | a25505 |
| 301-4 | Somerset v Shropshire | St Georges Recreation Ground, Telford | 1993 | a8099 |
| 300-6 | Somerset v Derbyshire | County Ground, Taunton | 2005 | a16865 |
| 299-9 | Somerset v Scotland | County Ground, Taunton | 2003 | a15170 |
| 299-4 | Somerset v Derbyshire | The Cooper Associates County Ground, Taunton | 2021 | a28468 |
| 298-6 | Somerset v Worcestershire | County Ground, Taunton | 2008 | a19141 |
| 298-5 | Somerset v Warwickshire | Edgbaston, Birmingham | 2014 | a23458 |
| 298-7 | Somerset v Glamorgan | The Cooper Associates County Ground, Taunton | 2023 | a30163 |
| 297-4 | Somerset v Warwickshire | County Ground, Taunton | 1978 | a2215 |
| 297-6 | Somerset v Sussex | County Ground, Taunton | 2005 | a16654 |
| 297-6 | Somerset v Middlesex | The Cooper Associates County Ground, Taunton | 2016 | a24839 |
| 296 | Somerset v Kent | St Lawrence Ground, Canterbury | 2009 | a19810 |
| 295-7 | Somerset v Kent | Mote Park, Maidstone | 2000 | a12821 |
| 295-6 | Somerset v Sussex | County Ground, Taunton | 2010 | a20579 |
| 294-6 | Somerset v Gloucestershire | Brightside Ground, Bristol | 2017 | a25570 |
| 293-9 | Somerset v Kent | Mote Park, Maidstone | 1996 | a9806 |
| 293-4 | Somerset v Nottinghamshire | County Ground, Taunton | 2003 | a15116 |
| 293-5 | Somerset v Middlesex | Lord's Cricket Ground, St John's Wood | 2009 | a19813 |
| 292-5 | Somerset v Surrey | The Cooper Associates County Ground, Taunton | 2019 | a27374 |
| 291-3 | Somerset v Kent | County Ground, Taunton | 2009 | a19764 |
| 291-6 | Somerset v Surrey | The Cooper Associates County Ground, Taunton | 2017 | a25488 |
| 290-6 | Somerset v Derbyshire | County Ground, Derby | 2004 | a15870 |
| 290-6 | Somerset v Gloucestershire | County Ground, Bristol | 2008 | a18984 |
| 290-6 | Somerset v Surrey | County Ground, Taunton | 2010 | a20738 |
| 289 | Somerset v Essex | County Ground, Taunton | 1989 | a6090 |
| 289-6 | Somerset v Durham | County Ground, Taunton | 2007 | a18346 |
| 288-3 | Somerset v Sussex | County Ground, Hove | 1984 | a4138 |
| 288-5 | Somerset v Hampshire | The Rose Bowl, Southampton | 2008 | a18965 |
| 287-6 | Somerset v Essex | County Ground, Taunton | 1978 | a2270 |
| 287-6 | Somerset v Middlesex | Lord's Cricket Ground, St John's Wood | 1997 | a10506 |
| 287 | Somerset v Surrey | The Foster's Oval, Kennington | 1998 | a11168 |
| 287-6 | Somerset v Leicestershire | County Ground, Taunton | 2007 | a18362 |
| 287-8 | Somerset v Warwickshire | Edgbaston, Birmingham | 2021 | a28526 |
| 287-9 | Somerset v Worcestershire | The Cooper Associates County Ground, Taunton | 2023 | a30118 |
| 286-7 | Somerset v Hampshire | County Ground, Taunton | 1981 | a3099 |
| 286 | Somerset v Lancashire | County Ground, Taunton | 2003 | a15288 |
| 286-8 | Somerset v Durham | Riverside Ground, Chester-le-Street | 2008 | a19078 |
| 285-4 | Somerset v Surrey | County Ground, Taunton | 1996 | a9830 |
| 285-8 | Somerset v Sussex | County Ground, Taunton | 2009 | a19832 |
| 283-5 | Somerset v Worcestershire | County Ground, Taunton | 1990 | a6643 |
| 283-9 | Somerset v Nottinghamshire | Trent Bridge, Nottingham | 1993 | a8034 |
| 283-8 | Somerset v Middlesex | County Ground, Taunton | 2003 | a15240 |
| 283 | Somerset v Middlesex | The Cooper Associates County Ground, Taunton | 2018 | a26446 |
| 283-8 | Somerset v Sussex | The 1st Central County Ground, Hove | 2019 | a27318 |
| 282-7 | Somerset v Zimbabweans | County Ground, Taunton | 2003 | a15174 |
| 281-8 | Somerset v Middlesex | County Ground, Taunton | 1980 | a2638 |
| 281-6 | Somerset v Warwickshire | County Ground, Taunton | 2005 | a16835 |
| 279-3 | Somerset v Nottinghamshire | Trent Bridge, Nottingham | 1983 | a3637 |
| 279-5 | Somerset v Surrey | The Brit Oval, Kennington | 2006 | a17428 |
| 278-7 | Somerset v Derbyshire | County Ground, Taunton | 2004 | a15848 |
| 278-9 | Somerset v Worcestershire | County Ground, Taunton | 2008 | a19001 |
| 277-3 | Somerset v Derbyshire | County Ground, Derby | 2006 | a17599 |
| 276-6 | Somerset v Essex | County Ground, Taunton | 1989 | a6116 |
| 276-9 | Somerset v Warwickshire | Edgbaston, Birmingham | 2016 | a24888 |
| 275-9 | Somerset v Surrey | County Ground, Taunton | 2003 | a15139 |
| 273-6 | Somerset v Worcestershire | County Ground, Taunton | 2002 | a14412 |
| 273-7 | Somerset v Surrey | County Ground, Taunton | 2015 | a24225 |
| 273 | Somerset v Essex | The Cloudfm County Ground, Chelmsford | 2018 | a26435 |
| 272-5 | Somerset v Northamptonshire | Wellingborough School Ground, Wellingborough | 1986 | a4968 |
| 272-7 | Somerset v British Universities | County Ground, Taunton | 1996 | a9838 |
| 272-2 | Somerset v Warwickshire | Edgbaston, Birmingham | 2009 | a19755 |
| 271-5 | Somerset v Leicestershire | County Ground, Taunton | 1982 | a3391 |
| 271-3 | Somerset v Warwickshire | Clarence Park, Weston-super-Mare | 1990 | a6688 |
| 271-9 | Somerset v Cambridgeshire | The Avenue Sports Club Ground, March | 2001 | a13564 |
| 271-5 | Somerset v Leicestershire | Lord's Cricket Ground, St John's Wood | 2001 | a13691 |
| 270-4 | Somerset v Gloucestershire | Imperial Athletic Ground, Bristol | 1975 | a1369 |
| 270 | Somerset v Warwickshire | Edgbaston, Birmingham | 1991 | a7006 |
| 270-3 | Somerset v Glamorgan | County Ground, Taunton | 2001 | a13598 |
| 270-5 | Somerset v Nottinghamshire | Trent Bridge, Nottingham | 2011 | a21328 |
| 270-7 | Somerset v Kent | The Cooper Associates County Ground, Taunton | 2024 | a30986 |
| 269-8 | Somerset v Northamptonshire | Lord's Cricket Ground, St John's Wood | 1979 | a2545 |
| 269-8 | Somerset v Essex | County Ground, Chelmsford | 1997 | a10487 |
| 269-8 | Somerset v Worcestershire | County Ground, Taunton | 2002 | a14397 |
| 268-9 | Somerset v Sussex | County Ground, Taunton | 2004 | a16030 |
| 268-5 | Somerset v Yorkshire | County Ground, Taunton | 2006 | a17565 |
| 267-8 | Somerset v Gloucestershire | County Ground, Taunton | 1997 | a10657 |
| 267-5 | Somerset v Wales Minor Counties | St Helen's, Swansea | 1999 | a12011 |
| 267-3 | Somerset v Gloucestershire | County Ground, Taunton | 2013 | a22756 |
| 267 | Somerset v Surrey | The Kia Oval, Kennington | 2014 | a23502 |
| 267-5 | Somerset v Worcestershire | The Cooper Associates County Ground, Taunton | 2024 | a31067 |
| 266-4 | Somerset v Kent | County Ground, Taunton | 1999 | a12058 |
| 266 | Somerset v Sussex | The Cooper Associates County Ground, Taunton | 2018 | a26421 |
| 266-5 | Somerset v Warwickshire | Edgbaston, Birmingham | 2022 | a29419 |
| 265-8 | Somerset v Gloucestershire | County Ground, Taunton | 1974 | a1109 |
| 265-5 | Somerset v Kent | County Ground, Taunton | 1984 | a4157 |
| 265-4 | Somerset v Hampshire | County Ground, Taunton | 2002 | a14361 |
| 265-7 | Somerset v Leicestershire | Recreation Ground, Bath | 2004 | a15936 |
| 264-7 | Somerset v Hampshire | Westlands Sports Ground, Yeovil | 1972 | a686 |
| 264-7 | Somerset v Scotland | Raeburn Place, Edinburgh | 2005 | a16620 |
| 263-8 | Somerset v Kent | St Lawrence Ground, Canterbury | 2001 | a13621 |
| 263-7 | Somerset v Leicestershire | County Ground, Taunton | 2001 | a13649 |
| 263-9 | Somerset v Gloucestershire | The Cooper Associates County Ground, Taunton | 2016 | a24745 |
| 262-3 | Somerset v Gloucestershire | Ashley Down Ground, Bristol | 1974 | a1149 |
| 262-5 | Somerset v Lancashire | Recreation Ground, Bath | 1978 | a2188 |
| 262-5 | Somerset v Sri Lankans | County Ground, Taunton | 1990 | a6708 |
| 262-6 | Somerset v Shropshire | St Georges Recreation Ground, Telford | 2000 | a12794 |
| 262-9 | Somerset v Gloucestershire | County Ground, Taunton | 2001 | a13469 |
| 262-9 | Somerset v Derbyshire | County Ground, Derby | 2005 | a16774 |
| 262-7 | Somerset v Yorkshire | County Ground, Taunton | 2013 | a22779 |
| 262 | Somerset v Essex | The Cooper Associates County Ground, Taunton | 2017 | a25581 |
| 261-3 | Somerset v Warwickshire | Edgbaston, Birmingham | 1982 | a3344 |
| 261-8 | Somerset v Nottinghamshire | Trent Bridge, Nottingham | 2014 | a23435 |
| 261-9 | Somerset v Glamorgan | Sophia Gardens, Cardiff | 2019 | a27296 |
| 260-7 | Somerset v Transvaal | County Ground, Taunton | 1992 | a7659 |
| 260-7 | Somerset v Yorkshire | County Ground, Taunton | 1997 | a10534 |
| 259-9 | Somerset v Warwickshire | County Ground, Taunton | 1982 | a3421 |
| 259-7 | Somerset v Yorkshire | Recreation Ground, Bath | 2001 | a13540 |
| 258-7 | Somerset v Glamorgan | Westlands Sports Ground, Yeovil | 1977 | a1947 |
| 258-7 | Somerset v Glamorgan | County Ground, Taunton | 1986 | a4830 |
| 258-7 | Somerset v Derbyshire | County Ground, Taunton | 1990 | a6560 |
| 258-9 | Somerset v Glamorgan | County Ground, Taunton | 1997 | a10463 |
| 258-7 | Somerset v Sussex | County Ground, Taunton | 1999 | a12092 |
| 258-9 | Somerset v Surrey | The Brit Oval, Kennington | 2007 | a18384 |
| 258-9 | Somerset v Gloucestershire | County Ground, Bristol | 2013 | a22802 |
| 258-4 | Somerset v Middlesex | Lord's Cricket Ground, St John's Wood | 2014 | a23464 |
| 257-5 | Somerset v Surrey | County Ground, Taunton | 1974 | a1255 |
| 257-9 | Somerset v Glamorgan | County Ground, Taunton | 1999 | a12110 |
| 257-7 | Somerset v Northamptonshire | County Ground, Taunton | 2000 | a12659 |
| 257-4 | Somerset v Middlesex | County Ground, Taunton | 2013 | a22633 |
| 256-9 | Somerset v Worcestershire | County Ground, New Road, Worcester | 1992 | a7578 |
| 256-8 | Somerset v Yorkshire | Lord's Cricket Ground, St John's Wood | 2002 | a14514 |
| 256-9 | Somerset v Pakistanis | County Ground, Taunton | 2010 | a20752 |
| 256 | Somerset v Gloucestershire | Seat Unique Stadium, Bristol | 2023 | a30135 |
| 255-9 | Somerset v Middlesex | Lord's Cricket Ground, St John's Wood | 1987 | a5244 |
| 255-9 | Somerset v Nottinghamshire | Trent Bridge, Nottingham | 1998 | a11286 |
| 255-4 | Somerset v Northamptonshire | County Ground, Taunton | 2001 | a13726 |
| 255-9 | Somerset v Yorkshire Cricket Board | North Marine Road, Scarborough | 2002 | a14319 |
| 255-9 | Somerset v Sussex | County Ground, Hove | 2005 | a16770 |
| 254-6 | Somerset v Gloucestershire | Recreation Ground, Bath | 1983 | a3720 |
| 254-7 | Somerset v Surrey | Kennington Oval, Kennington | 1985 | a4479 |
| 254-6 | Somerset v Durham | County Ground, Taunton | 2002 | a14579 |
| 254-5 | Somerset v Warwickshire | Edgbaston, Birmingham | 2005 | a16579 |
| 253 | Somerset v Surrey | The Foster's Oval, Kennington | 1994 | a8609 |
| 253-6 | Somerset v Nottinghamshire | Trent Bridge, Nottingham | 1995 | a9315 |
| 253-8 | Somerset v Scotland | County Ground, Taunton | 2004 | a16084 |
| 252-6 | Somerset v Combined Universities | County Ground, Taunton | 1989 | a6074 |
| 252-9 | Somerset v Middlesex | County Ground, Taunton | 1991 | a7120 |
| 252-3 | Somerset v Yorkshire | Acklam Park, Middlesbrough | 1992 | a7593 |
| 252-8 | Somerset v Durham | County Ground, Taunton | 1992 | a7655 |
| 252-6 | Somerset v Yorkshire | North Marine Road, Scarborough | 2004 | a16017 |
| 252-3 | Somerset v Lancashire | County Ground, Taunton | 2011 | a21370 |
| 251-9 | Somerset v Leicestershire | County Ground, Taunton | 1967 | a87 |
| 251-7 | Somerset v Sussex | County Ground, Taunton | 1983 | a3619 |
| 251-9 | Somerset v Sussex | County Ground, Hove | 1996 | a9957 |
| 251-8 | Somerset v Derbyshire | County Ground, Taunton | 2007 | a18320 |
| 251-5 | Somerset v Essex | County Ground, Taunton | 2011 | a21497 |
| 251-7 | Somerset v Glamorgan | County Ground, Taunton | 2012 | a22067 |
| 250-5 | Somerset v Essex | County Ground, Taunton | 1996 | a9859 |
| 250-6 | Somerset v Leicestershire | Grace Road, Leicester | 2001 | a13669 |
| 250-9 | Somerset v Hampshire | The Ageas Bowl, Southampton | 2016 | a24861 |