yr,mon,pmean,tmean,rain,rd
1840,7,30.062,47.46,0.49,5
1840,8,29.889,49.48,0.869,11
1840,9,29.876,53.96,3.462,11
1840,10,29.887,58.71,1.902,25
1840,11,29.914,58.03,0.99,5
1840,12,29.837,68.64,4.26,6
1841,1,29.765,66.64,0.565,4
1841,2,29.84,67.46,6.778,5
1841,3,29.976,64.27,1.755,5
1841,4,29.841,57.4,5.813,16
1841,5,29.947,54.7,2.668,10
1841,6,29.85,50.09,1.66,5
1841,7,30.025,47.48,1.075,12
1841,8,30.003,49.21,3.16,13
1841,9,29.862,53.04,3.46,11
1841,10,29.893,57.13,1.555,6
1841,11,29.807,61.8,0.465,6
1841,12,29.814,63.66,1.205,5