datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,12 0:30:00,25 ,       0,1094.521,80.51053,228.0233
sgpcmbeC1.c1,2000,12 1:30:00,23 ,       0,1118.903,97.60805,244.4065
sgpcmbeC1.c1,2000,12 2:30:00,23 ,       0,760.8275,64.94358,163.8519
sgpcmbeC1.c1,2000,12 3:30:00,22 ,       0,792.1886,52.98599,168.3871
sgpcmbeC1.c1,2000,12 4:30:00,21 ,       0,196.8579,35.04006,58.34567
sgpcmbeC1.c1,2000,12 5:30:00,21 ,       0, 267.766,34.59891, 64.5197
sgpcmbeC1.c1,2000,12 6:30:00,21 ,       0,234.3274,41.22294,72.02455
sgpcmbeC1.c1,2000,12 7:30:00,21 ,       0,281.8902,41.93458,70.56683
sgpcmbeC1.c1,2000,12 8:30:00,21 ,       0, 387.208,47.28425,96.54206
sgpcmbeC1.c1,2000,12 9:30:00,26 ,       0,281.0403,51.44399,91.48562
sgpcmbeC1.c1,2000,1210:30:00,27 ,       0,416.0924,66.43452,126.7935
sgpcmbeC1.c1,2000,1211:30:00,27 ,       0,  516.55,45.76146,107.5751
sgpcmbeC1.c1,2000,1212:30:00,26 ,       0,704.1695,60.21874, 149.539
sgpcmbeC1.c1,2000,1213:30:00,26 ,       0,687.6086,68.24581,180.0986
sgpcmbeC1.c1,2000,1214:30:00,27 ,       0,683.8127, 62.7082,166.2331
sgpcmbeC1.c1,2000,1215:30:00,27 ,       0,790.2318,65.32723,172.4853
sgpcmbeC1.c1,2000,1216:30:00,26 ,0.014881,657.3008,60.36552,154.7461
sgpcmbeC1.c1,2000,1217:30:00,26 ,0.019659,550.2548,64.69692,140.7198
sgpcmbeC1.c1,2000,1218:30:00,26 ,       0,451.7562, 62.0248,131.3126
sgpcmbeC1.c1,2000,1219:30:00,26 ,       0,400.4004,59.64882,125.5036
sgpcmbeC1.c1,2000,1220:30:00,26 ,       0,474.5466,71.78586, 141.819
sgpcmbeC1.c1,2000,1221:30:00,26 ,       0,670.7289,88.69187, 185.742
sgpcmbeC1.c1,2000,1222:30:00,26 ,       0,465.9344,62.16855,116.3226
sgpcmbeC1.c1,2000,1223:30:00,26 ,       0,755.3264,69.29658, 165.561