datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2001,02 0:30:00,22 ,0.041044,579.5436,62.75269, 135.043
sgpcmbeC1.c1,2001,02 1:30:00,19 ,0.002079,308.8642,45.06445, 89.3341
sgpcmbeC1.c1,2001,02 2:30:00,20 ,0.000155, 355.286,65.93873, 116.634
sgpcmbeC1.c1,2001,02 3:30:00,18 ,0.041721,254.0893,41.14587,69.12676
sgpcmbeC1.c1,2001,02 4:30:00,19 , 0.00189,499.2577,84.43784,144.2979
sgpcmbeC1.c1,2001,02 5:30:00,19 ,0.004623, 600.595,74.35246,147.7906
sgpcmbeC1.c1,2001,02 6:30:00,18 , 0.00708,551.9508,72.08725,147.4414
sgpcmbeC1.c1,2001,02 7:30:00,19 ,       0,1015.357,96.82743,231.8558
sgpcmbeC1.c1,2001,02 8:30:00,18 ,       0,288.1586,51.09003,82.62222
sgpcmbeC1.c1,2001,02 9:30:00,21 ,0.003048,407.3293,56.21319,102.3339
sgpcmbeC1.c1,2001,0210:30:00,21 ,       0,270.6528,46.07939,74.64943
sgpcmbeC1.c1,2001,0211:30:00,22 ,       0,379.0345,71.08329,115.2194
sgpcmbeC1.c1,2001,0212:30:00,22 ,0.027242,404.4214, 79.9602, 132.099
sgpcmbeC1.c1,2001,0213:30:00,20 , 0.04729, 665.751,87.69825,182.4704
sgpcmbeC1.c1,2001,0214:30:00,22 ,0.071309,505.2418,63.26561,121.8554
sgpcmbeC1.c1,2001,0215:30:00,23 ,0.257544,1015.801,97.74217,220.4251
sgpcmbeC1.c1,2001,0216:30:00,24 ,0.014701,885.1212,120.7616,245.8419
sgpcmbeC1.c1,2001,0217:30:00,24 ,0.030673,1155.659,121.3075,255.6211
sgpcmbeC1.c1,2001,0218:30:00,21 ,0.038336,440.1736,63.59478,113.5195
sgpcmbeC1.c1,2001,0219:30:00,21 ,0.035934,249.7053, 46.8337,75.77624
sgpcmbeC1.c1,2001,0220:30:00,21 ,0.322824,315.0289,52.95254,101.8923
sgpcmbeC1.c1,2001,0221:30:00,21 ,0.041853,337.3885,47.79388, 85.8372
sgpcmbeC1.c1,2001,0222:30:00,22 ,0.147529,916.9739,84.73974,199.7092
sgpcmbeC1.c1,2001,0223:30:00,21 ,0.092321,244.9459,52.29376,87.41867