datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,03 0:30:00,31 ,       0,0.378476,0.013169,0.068005
sgpcmbeC1.c1,2000,03 1:30:00,29 ,       0,0.032871,0.001138,0.006103
sgpcmbeC1.c1,2000,03 2:30:00,30 ,       0,0.116532,0.003929,0.021269
sgpcmbeC1.c1,2000,03 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,03 4:30:00,31 ,       0,0.021188,0.000696,0.003804
sgpcmbeC1.c1,2000,03 5:30:00,31 ,       0,0.014796,0.000521, 0.00266
sgpcmbeC1.c1,2000,03 6:30:00,31 ,       0,  10.632,1.694881,2.980465
sgpcmbeC1.c1,2000,03 7:30:00,31 ,0.002889,138.1893,36.19432,44.24922
sgpcmbeC1.c1,2000,03 8:30:00,31 ,0.040991,339.3259,118.8118,126.0661
sgpcmbeC1.c1,2000,03 9:30:00,31 ,0.053669,528.8052,205.0035,213.7642
sgpcmbeC1.c1,2000,0310:30:00,31 ,0.007874,679.7936,265.5103,285.6384
sgpcmbeC1.c1,2000,0311:30:00,31 ,0.329819,777.1747,307.0515,303.8511
sgpcmbeC1.c1,2000,0312:30:00,31 ,0.217247,817.1378,349.3896,321.6735
sgpcmbeC1.c1,2000,0313:30:00,31 ,0.167107,793.2288,357.6623,303.2991
sgpcmbeC1.c1,2000,0314:30:00,31 , 0.16639,699.6254,299.6242,266.7685
sgpcmbeC1.c1,2000,0315:30:00,31 ,0.053673,554.0458,220.6444,208.3707
sgpcmbeC1.c1,2000,0316:30:00,31 ,       0,364.8845,135.1721,141.1417
sgpcmbeC1.c1,2000,0317:30:00,31 ,       0,164.0762,55.26385,60.83756
sgpcmbeC1.c1,2000,0318:30:00,31 ,0.155789,25.13286,4.523827, 6.88812
sgpcmbeC1.c1,2000,0319:30:00,31 ,       0,0.013525,0.000664,0.002478
sgpcmbeC1.c1,2000,0320:30:00,31 ,       0, 0.02024,0.000761,0.003665
sgpcmbeC1.c1,2000,0321:30:00,30 ,       0,0.409331,0.019391, 0.07513
sgpcmbeC1.c1,2000,0322:30:00,30 ,       0,0.092742,0.011334,0.028547
sgpcmbeC1.c1,2000,0323:30:00,31 ,       0,0.026527,0.001295,0.004974