datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1997,11 0:30:00,2 ,0.027433,8.846829,4.437131,6.236255
sgpcmbeC1.c1,1997,11 1:30:00,2 , 0.04455,11.28927, 5.66691,7.951218
sgpcmbeC1.c1,1997,11 2:30:00,2 ,0.035511,10.00934,5.022425,7.052562
sgpcmbeC1.c1,1997,11 3:30:00,2 ,       0,8.677982,4.338991, 6.13626
sgpcmbeC1.c1,1997,11 4:30:00,2 ,0.003391,8.607595,4.305493,6.084091
sgpcmbeC1.c1,1997,11 5:30:00,2 , 0.04329,6.333697,3.188494,4.447989
sgpcmbeC1.c1,1997,11 6:30:00,2 ,1.599907,5.942933, 3.77142,3.070983
sgpcmbeC1.c1,1997,11 7:30:00,2 ,4.143437,5.561174,4.852306,1.002491
sgpcmbeC1.c1,1997,11 8:30:00,2 ,2.670251,25.06869,13.86947,15.83809
sgpcmbeC1.c1,1997,11 9:30:00,2 ,3.315396, 15.9708,9.643098,8.948722
sgpcmbeC1.c1,1997,1110:30:00,2 ,1.838967, 9.68224,5.760604,5.546032
sgpcmbeC1.c1,1997,1111:30:00,2 ,       0,2.365354,1.182677,1.672558
sgpcmbeC1.c1,1997,1112:30:00,2 ,0.494728,4.074656,2.284692,2.531392
sgpcmbeC1.c1,1997,1113:30:00,2 ,3.314905,4.486781,3.900843,0.828641
sgpcmbeC1.c1,1997,1114:30:00,2 ,5.548434,52.18855,28.86849,32.97954
sgpcmbeC1.c1,1997,1115:30:00,2 ,10.02694,93.05961,51.54328,58.71296
sgpcmbeC1.c1,1997,1116:30:00,2 ,13.33412, 32.0581,22.69611,13.23985
sgpcmbeC1.c1,1997,1117:30:00,2 ,5.341391,23.08558,14.21349,12.54704
sgpcmbeC1.c1,1997,1118:30:00,1 ,14.64016,14.64016,14.64016,       .
sgpcmbeC1.c1,1997,1119:30:00,1 ,12.66193,12.66193,12.66193,       .
sgpcmbeC1.c1,1997,1120:30:00,1 ,10.70283,10.70283,10.70283,       .
sgpcmbeC1.c1,1997,1121:30:00,1 ,8.554241,8.554241,8.554241,       .
sgpcmbeC1.c1,1997,1122:30:00,2 ,0.099161,7.585927,3.842544,5.293943
sgpcmbeC1.c1,1997,1123:30:00,2 ,0.133768,7.066689,3.600228,4.902316