datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,03 0:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 1:30:00,29 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 2:30:00,30 ,       0,0.001326,0.000044,0.000242
sgpcmbeC1.c1,2000,03 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 4:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 5:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 6:30:00,31 ,       0,6.038319,1.143271,1.860653
sgpcmbeC1.c1,2000,03 7:30:00,30 ,0.006058,64.63413, 17.2269,15.75458
sgpcmbeC1.c1,2000,03 8:30:00,31 , 0.24579, 187.429, 43.8697,39.58469
sgpcmbeC1.c1,2000,03 9:30:00,31 ,4.783191,277.6435,66.77349,57.73882
sgpcmbeC1.c1,2000,0310:30:00,31 ,4.405972,278.5702,79.80305,64.38655
sgpcmbeC1.c1,2000,0311:30:00,31 ,6.865812,204.1142, 95.0777,56.15114
sgpcmbeC1.c1,2000,0312:30:00,31 ,3.458028,161.6664,98.74491,59.43087
sgpcmbeC1.c1,2000,0313:30:00,31 ,3.570561,153.3655,101.7298,56.21856
sgpcmbeC1.c1,2000,0314:30:00,31 ,4.294947,145.4332,90.31026,49.67811
sgpcmbeC1.c1,2000,0315:30:00,31 ,2.133332,122.8241,72.05998,42.99582
sgpcmbeC1.c1,2000,0316:30:00,31 ,2.741058,88.69756,48.64096,32.00647
sgpcmbeC1.c1,2000,0317:30:00,31 ,1.914924,48.78947,24.04971,15.93464
sgpcmbeC1.c1,2000,0318:30:00,31 ,0.067008,9.974156,3.145215,3.093556
sgpcmbeC1.c1,2000,0319:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0320:30:00,31 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0321:30:00,30 ,       0,0.015262,0.000509,0.002786
sgpcmbeC1.c1,2000,0322:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0323:30:00,31 ,       0,0.026527,0.000856,0.004764