MONTHLY MEANS Site,month (mm/yyyy),monthly mean value (metres),No. of days used to calculate mean. HEYSHAM,01/1990,5.342,22 HEYSHAM,02/1990,5.563,28 HEYSHAM,03/1990,5.158,31 HEYSHAM,04/1990,5.035,30 HEYSHAM,05/1990,5.022,31 HEYSHAM,06/1990,5.136,30 HEYSHAM,07/1990,5.107,31 HEYSHAM,08/1990,5.146,31 HEYSHAM,09/1990,5.141,30 HEYSHAM,10/1990,5.319,31 HEYSHAM,11/1990,5.148,30 HEYSHAM,12/1990,5.147,31 HEYSHAM,01/1991,5.207,31 HEYSHAM,02/1991,5.008,28 HEYSHAM,03/1991,5.066,31 HEYSHAM,04/1991,5.019,30 HEYSHAM,05/1991,4.866,31 HEYSHAM,06/1991,5.139,30 HEYSHAM,07/1991,5.098,31 HEYSHAM,08/1991,5.079,31 HEYSHAM,09/1991,5.135,30 HEYSHAM,10/1991,5.17,31 HEYSHAM,11/1991,5.269,30 HEYSHAM,12/1991,5.129,31 HEYSHAM,01/1992,5.045,31 HEYSHAM,02/1992,5.116,29 HEYSHAM,03/1992,5.065,31 HEYSHAM,04/1992,5.079,30 HEYSHAM,05/1992,5.03,31 HEYSHAM,06/1992,5.01,30 HEYSHAM,07/1992,5.096,31 HEYSHAM,08/1992,5.248,31 HEYSHAM,09/1992,5.173,30 HEYSHAM,10/1992,5.084,31 HEYSHAM,11/1992,5.305,30 HEYSHAM,12/1992,5.211,30 HEYSHAM,01/1993,5.407,31 HEYSHAM,02/1993,4.942,28 HEYSHAM,03/1993,5.03,31 HEYSHAM,04/1993,5.118,30 HEYSHAM,05/1993,5.062,31 HEYSHAM,06/1993,5.06,30 HEYSHAM,07/1993,5.067,13 HEYSHAM,08/1993,5.063,31 HEYSHAM,09/1993,5.121,30 HEYSHAM,10/1993,5.088,31 HEYSHAM,11/1993,5.113,30 HEYSHAM,12/1993,5.308,31 HEYSHAM,01/1994,5.239,31 HEYSHAM,02/1994,5.075,28 HEYSHAM,03/1994,5.196,31 HEYSHAM,04/1994,5.013,30 HEYSHAM,05/1994,5.045,31 HEYSHAM,06/1994,5.079,30 HEYSHAM,07/1994,5.041,31 HEYSHAM,08/1994,5.104,31 HEYSHAM,09/1994,5.11,30 HEYSHAM,10/1994,5.206,31 HEYSHAM,11/1994,5.274,30 HEYSHAM,12/1994,5.41,31 HEYSHAM,01/1995,5.31,31 HEYSHAM,02/1995,5.365,28 HEYSHAM,03/1995,5.185,31 HEYSHAM,04/1995,4.995,30 HEYSHAM,05/1995,5.078,31 HEYSHAM,06/1995,5.012,30 HEYSHAM,07/1995,5.154,20 HEYSHAM,08/1995,5.06,27 HEYSHAM,09/1995,5.152,30 HEYSHAM,10/1995,5.332,31 HEYSHAM,11/1995,5.241,30 HEYSHAM,12/1995,5.091,31 HEYSHAM,01/1996,5.223,31 HEYSHAM,02/1996,5.051,29 HEYSHAM,03/1996,4.986,31 HEYSHAM,04/1996,5.071,26 HEYSHAM,05/1996,5.099,31 HEYSHAM,06/1996,5.057,30 HEYSHAM,07/1996,5.102,25 HEYSHAM,08/1996,5.092,31 HEYSHAM,09/1996,5.066,30 HEYSHAM,10/1996,5.269,31 HEYSHAM,11/1996,5.222,28 HEYSHAM,12/1996,5.041,27 HEYSHAM,01/1997,5.05,31 HEYSHAM,02/1997,5.365,28 HEYSHAM,03/1997,5.108,31 HEYSHAM,04/1997,5.008,30 HEYSHAM,05/1997,5.11,26 HEYSHAM,06/1997,5.108,23 HEYSHAM,07/1997,5.088,29 HEYSHAM,08/1997,5.139,31 HEYSHAM,09/1997,5.217,25 HEYSHAM,10/1997,5.23,31 HEYSHAM,11/1997,5.351,25 HEYSHAM,11/1998,5.068,8 HEYSHAM,12/1998,5.118,31 HEYSHAM,01/1999,5.199,31 HEYSHAM,02/1999,4.898,14 HEYSHAM,03/1999,5.005,31 HEYSHAM,04/1999,4.992,30 HEYSHAM,05/1999,5.016,23 HEYSHAM,06/1999,5.07,8 HEYSHAM,07/1999,4.995,21 HEYSHAM,09/1999,5.217,21 HEYSHAM,10/1999,5.124,31 HEYSHAM,11/1999,5.122,22 HEYSHAM,12/1999,5.185,25 HEYSHAM,01/2000,5.019,31 HEYSHAM,02/2000,5.158,27 HEYSHAM,03/2000,4.932,30 HEYSHAM,04/2000,4.997,30 HEYSHAM,05/2000,4.966,27 HEYSHAM,06/2000,4.99,30 HEYSHAM,07/2000,4.976,30 HEYSHAM,08/2000,5.004,31 HEYSHAM,09/2000,5.119,30 HEYSHAM,10/2000,5.244,27 HEYSHAM,11/2000,5.274,30 HEYSHAM,12/2000,5.321,31 HEYSHAM,01/2001,5.162,31 HEYSHAM,02/2001,4.942,28 HEYSHAM,03/2001,5.075,31 HEYSHAM,04/2001,5.037,12 HEYSHAM,05/2001,4.9,31 HEYSHAM,06/2001,4.947,30 HEYSHAM,07/2001,4.986,31 HEYSHAM,08/2001,5.026,31 HEYSHAM,09/2001,5.032,29 HEYSHAM,10/2001,5.291,31 HEYSHAM,11/2001,5,30 HEYSHAM,12/2001,4.986,31 HEYSHAM,01/2002,5.215,31 HEYSHAM,02/2002,5.254,24 HEYSHAM,03/2002,4.89,11 HEYSHAM,04/2002,4.992,30 HEYSHAM,05/2002,5.069,28 HEYSHAM,06/2002,5.024,18 HEYSHAM,07/2002,4.987,31 HEYSHAM,08/2002,5.002,31 HEYSHAM,09/2002,5.031,30 HEYSHAM,10/2002,5.118,31 HEYSHAM,11/2002,5.259,30 HEYSHAM,12/2002,5.053,31 HEYSHAM,01/2003,5.069,31 HEYSHAM,02/2003,4.968,28 HEYSHAM,03/2003,5.023,31 HEYSHAM,04/2003,4.984,28 HEYSHAM,05/2003,5.213,29 HEYSHAM,06/2003,5.233,19 HEYSHAM,07/2003,5.221,31 HEYSHAM,08/2003,5.154,31 HEYSHAM,09/2003,5.183,30 HEYSHAM,10/2003,5.17,31 HEYSHAM,11/2003,5.344,30 HEYSHAM,12/2003,5.201,31 HEYSHAM,01/2004,5.319,31 HEYSHAM,02/2004,5.132,29 HEYSHAM,03/2004,5.144,31 HEYSHAM,04/2004,5.13,30 HEYSHAM,05/2004,5.109,31 HEYSHAM,06/2004,5.167,30 HEYSHAM,07/2004,5.155,31 HEYSHAM,08/2004,5.262,31 HEYSHAM,09/2004,5.289,30 HEYSHAM,10/2004,5.406,31 HEYSHAM,11/2004,5.143,30 HEYSHAM,12/2004,5.249,31 HEYSHAM,01/2005,5.28,31 HEYSHAM,02/2005,4.978,28 HEYSHAM,03/2005,5.113,31 HEYSHAM,04/2005,5.13,30 HEYSHAM,05/2005,5.168,4 HEYSHAM,07/2005,5.16,15 HEYSHAM,08/2005,5.178,31 HEYSHAM,09/2005,5.23,30 HEYSHAM,10/2005,5.291,31 HEYSHAM,11/2005,5.273,30 HEYSHAM,12/2005,5.175,31 HEYSHAM,01/2006,5.113,31 HEYSHAM,02/2006,5.118,27 HEYSHAM,04/2006,5.092,13 HEYSHAM,05/2006,5.14,13 HEYSHAM,07/2006,5.138,17 HEYSHAM,08/2006,5.246,15 HEYSHAM,09/2006,5.315,30 HEYSHAM,10/2006,5.401,31 HEYSHAM,11/2006,5.459,30 HEYSHAM,12/2006,5.374,31 HEYSHAM,01/2007,5.343,31 HEYSHAM,02/2007,5.213,22 HEYSHAM,03/2007,5.092,31 HEYSHAM,04/2007,4.975,30 HEYSHAM,05/2007,5.159,31 HEYSHAM,06/2007,5.179,30 HEYSHAM,07/2007,5.24,31 HEYSHAM,08/2007,5.13,27 HEYSHAM,09/2007,5.155,30 HEYSHAM,10/2007,5.216,31 HEYSHAM,11/2007,5.204,30 HEYSHAM,12/2007,5.307,31 HEYSHAM,01/2008,5.445,28 HEYSHAM,02/2008,5.286,28 HEYSHAM,03/2008,5.269,31 HEYSHAM,04/2008,5.179,30 HEYSHAM,05/2008,5.194,6 HEYSHAM,06/2008,5.297,12 HEYSHAM,07/2008,5.297,14 HEYSHAM,08/2008,5.275,30 HEYSHAM,09/2008,5.196,30 HEYSHAM,10/2008,5.307,31 HEYSHAM,11/2008,5.189,20 HEYSHAM,12/2008,5.211,16