Code:
$ awk '{print length}' file1
136
136
99
99
99
136
135
99
99
136
$ awk 'length == 136' file1
"2010-07-26","2010","07","26","*","26.90","","13.10","","20.00","","0.00","","2.00","","","M","","M","0.60","","","","0.00","","0.00",""
"2010-07-27","2010","07","27","*","26.80","","15.30","","21.10","","0.00","","3.10","","","M","","M","0.90","","","","0.00","","0.00",""
"2010-07-31","2010","08","06","*","25.40","","12.20","","18.80","","0.00","","0.80","","","M","","M","0.00","","","","0.00","","0.00",""
"2010-08-04","2010","07","28","*","30.10","E","17.30","E","23.70","E","0.00","E","5.70","E","","M","","M","6.90","E","","","","M","","M"