Year,Month,Mean barometer reading,Pressure of dry air,Mean temp,Mean max,Mean min,Highest max in the month,Lowest min,Rainfall,Rainday count
1857,3,29.979,29.42,68.4,76.3,59.6,91,42,4.39,13
1857,4,30.216,29.72,63.2,72.4,55.7,79,50,6.04,16
1857,5,30.215,29.89,54.2,64,45,69,34,5.74,15
1857,6,29.908,29.62,52,62.1,43.9,66,36,5.39,12
1857,7,30.103,29.792,51.4,62,42.3,68,30,5.55,8
1857,8,30.167,29.85,51.5,62.6,41.2,70,33,4.56,12
1857,9,30.033,29.715,55.2,67.2,42.9,81,35,1.54,7
1857,10,29.928,29.528,60.3,70,49.4,78,37,5.26,14
1857,11,30,29.547,65.3,75.9,53.4,88,41,1.51,8
1857,12,29.991,29.463,69.1,78.2,58.9,108,49,1.26,8
1858,1,29.93,29.344,73.3,84.1,61.8,108,54,1.16,6
1858,2,30.074,29.541,69.9,80.2,59,87,49,1.31,8
1858,3,30.125,29.597,67.7,76.8,58.4,82,50,3.74,12
1858,4,30.169,29.71,62.5,71.9,52.8,81,44,5.02,13
1858,5,30.084,29.713,56.4,67,47.2,78,37,11.85,12
1858,6,30.177,29.871,51.5,61.5,42.8,66,34,5.94,14
1858,7,-99,-99,-99,-99,-99,-99,-99,-99,-99
1858,8,-99,-99,-99,-99,-99,-99,-99,-99,-99
1858,9,-99,-99,-99,-99,-99,-99,-99,-99,-99
1858,10,-99,-99,-99,-99,-99,-99,-99,-99,-99
1858,11,-99,-99,-99,-99,-99,-99,-99,-99,-99
1858,12,-99,-99,-99,-99,-99,-99,-99,-99,-99