datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,03 0:30:00,29 ,0.025177,283.9919,50.89227,80.18197
sgpcmbeC1.c1,2000,03 1:30:00,28 ,       0,372.1149, 46.8693,89.19329
sgpcmbeC1.c1,2000,03 2:30:00,29 ,       0,449.8449,44.41389,96.43715
sgpcmbeC1.c1,2000,03 3:30:00,28 ,       0,204.7783, 23.1872,44.32827
sgpcmbeC1.c1,2000,03 4:30:00,28 ,0.015061,198.1035,31.02364, 52.1449
sgpcmbeC1.c1,2000,03 5:30:00,28 ,       0,462.5117,57.70114,112.9222
sgpcmbeC1.c1,2000,03 6:30:00,28 ,       0,350.2268,63.39957,111.5229
sgpcmbeC1.c1,2000,03 7:30:00,28 ,       0, 416.003,63.61441,122.2877
sgpcmbeC1.c1,2000,03 8:30:00,30 ,       0,320.1898,53.83977,87.36205
sgpcmbeC1.c1,2000,03 9:30:00,31 ,       0,504.6803,70.78919,119.3479
sgpcmbeC1.c1,2000,0310:30:00,31 ,       0,471.3334,74.64918,114.9894
sgpcmbeC1.c1,2000,0311:30:00,31 ,       0,421.4156,74.41271,113.2402
sgpcmbeC1.c1,2000,0312:30:00,31 ,       0,372.0096,56.70494,85.60749
sgpcmbeC1.c1,2000,0313:30:00,31 ,       0,392.6306,52.09727,82.53224
sgpcmbeC1.c1,2000,0314:30:00,31 ,       0,420.4902,61.67612,102.4492
sgpcmbeC1.c1,2000,0315:30:00,31 ,       0,299.0868,62.48361,92.16524
sgpcmbeC1.c1,2000,0316:30:00,31 ,       0,368.2283,67.54394,100.2732
sgpcmbeC1.c1,2000,0317:30:00,30 ,       0,191.3501,32.79272,50.85279
sgpcmbeC1.c1,2000,0318:30:00,31 ,0.231479,232.0924,36.01878,57.19167
sgpcmbeC1.c1,2000,0319:30:00,30 ,       0, 222.669,42.38823,62.42577
sgpcmbeC1.c1,2000,0320:30:00,30 ,0.121272, 273.909, 50.9753,73.44708
sgpcmbeC1.c1,2000,0321:30:00,29 ,       0,437.1477,55.95719, 107.495
sgpcmbeC1.c1,2000,0322:30:00,30 ,       0, 325.922,38.63991, 79.5135
sgpcmbeC1.c1,2000,0323:30:00,30 ,       0,439.6165,47.99575,99.65538