datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2000,06 0:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 1:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 2:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 3:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,06 5:30:00,30 ,       0,42.77176,16.72186,12.06246
sgpcmbeC1.c1,2000,06 6:30:00,30 ,4.957375,194.9878,103.6116,63.31319
sgpcmbeC1.c1,2000,06 7:30:00,30 ,33.41453,397.5483,218.2373,138.3784
sgpcmbeC1.c1,2000,06 8:30:00,30 ,49.03783,590.0059,336.6005,201.3371
sgpcmbeC1.c1,2000,06 9:30:00,30 ,105.0075,772.8253,487.3417,250.9488
sgpcmbeC1.c1,2000,0610:30:00,30 ,55.18307,915.1546,609.9894,280.6836
sgpcmbeC1.c1,2000,0611:30:00,30 ,134.9685,996.2415,683.3503,307.5635
sgpcmbeC1.c1,2000,0612:30:00,30 ,119.5115,1025.364,725.5251,270.9543
sgpcmbeC1.c1,2000,0613:30:00,30 ,45.00115,994.9142,668.0668,300.3488
sgpcmbeC1.c1,2000,0614:30:00,30 ,78.02197,902.1833, 635.846,264.1574
sgpcmbeC1.c1,2000,0615:30:00,30 ,98.61624,764.0025,532.4924,195.5493
sgpcmbeC1.c1,2000,0616:30:00,30 ,46.87877,595.0939,427.3708,145.1409
sgpcmbeC1.c1,2000,0617:30:00,30 ,31.74757,388.3633,271.2614,100.5101
sgpcmbeC1.c1,2000,0618:30:00,30 ,20.16038, 199.044,123.9327,55.46803
sgpcmbeC1.c1,2000,0619:30:00,30 ,1.045407,39.20541,21.45328,11.27797
sgpcmbeC1.c1,2000,0620:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0621:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0622:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2000,0623:30:00,30 ,       0,       0,       0,       0