datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2004,01 0:30:00,26 ,       0,346.8833,30.31574, 76.1338
sgpcmbeC1.c1,2004,01 1:30:00,26 ,       0,482.0771,36.97409,105.1991
sgpcmbeC1.c1,2004,01 2:30:00,25 ,       0,554.9289,56.17359,147.3354
sgpcmbeC1.c1,2004,01 3:30:00,25 ,       0,1266.847, 83.8223,261.5207
sgpcmbeC1.c1,2004,01 4:30:00,25 ,       0,1005.191,79.25599,224.2477
sgpcmbeC1.c1,2004,01 5:30:00,25 ,       0,1655.286,102.8622,342.0569
sgpcmbeC1.c1,2004,01 6:30:00,25 ,       0,990.2192,65.66961,209.7039
sgpcmbeC1.c1,2004,01 7:30:00,26 ,       0,1506.634,121.4877,324.9093
sgpcmbeC1.c1,2004,01 8:30:00,25 ,       0,1413.421, 138.048,334.2656
sgpcmbeC1.c1,2004,01 9:30:00,27 ,       0,1318.342,93.68653,262.8999
sgpcmbeC1.c1,2004,0110:30:00,28 ,       0,1608.961, 86.8081, 303.597
sgpcmbeC1.c1,2004,0111:30:00,28 ,       0,1285.622,75.92602,246.8542
sgpcmbeC1.c1,2004,0112:30:00,28 ,       0,1557.946,84.75301,296.0709
sgpcmbeC1.c1,2004,0113:30:00,28 ,       0,1834.641,88.19601,346.1967
sgpcmbeC1.c1,2004,0114:30:00,27 ,       0,792.3708,43.11349,155.9464
sgpcmbeC1.c1,2004,0115:30:00,27 ,       0,608.3433,34.91891,120.9532
sgpcmbeC1.c1,2004,0116:30:00,27 ,       0,863.5389, 52.0715,172.7009
sgpcmbeC1.c1,2004,0117:30:00,27 ,       0,867.1923,51.87036,171.7307
sgpcmbeC1.c1,2004,0118:30:00,27 ,       0,1149.856,64.13609,224.5414
sgpcmbeC1.c1,2004,0119:30:00,27 ,       0, 935.024,58.48798,187.0258
sgpcmbeC1.c1,2004,0120:30:00,27 ,       0,860.7686, 58.3746,173.0086
sgpcmbeC1.c1,2004,0121:30:00,27 ,       0,800.3065,60.02968,166.2072
sgpcmbeC1.c1,2004,0122:30:00,27 ,       0,1032.735,76.62692,214.6197
sgpcmbeC1.c1,2004,0123:30:00,27 ,       0,696.5756,57.58459,148.7336