datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2007,06 0:30:00,30 ,       0,0.102858,0.011299,0.028178
sgpcmbeC1.c1,2007,06 1:30:00,30 ,       0, 0.13537,0.005957, 0.02488
sgpcmbeC1.c1,2007,06 2:30:00,30 ,       0,0.012473,0.000416,0.002277
sgpcmbeC1.c1,2007,06 3:30:00,30 ,       0,0.061593,0.002623,0.011523
sgpcmbeC1.c1,2007,06 4:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,06 5:30:00,30 ,       0,10.39651,3.966909,3.111467
sgpcmbeC1.c1,2007,06 6:30:00,30 ,0.299157,17.52339,8.747775,5.534647
sgpcmbeC1.c1,2007,06 7:30:00,30 ,0.641523,34.42323,12.09757,8.227123
sgpcmbeC1.c1,2007,06 8:30:00,30 , 2.07268,37.60836,16.47203,10.45239
sgpcmbeC1.c1,2007,06 9:30:00,30 ,3.176626,53.98612,20.27517,14.46195
sgpcmbeC1.c1,2007,0610:30:00,29 ,2.188658, 57.5743,22.35779,17.20377
sgpcmbeC1.c1,2007,0611:30:00,29 ,1.161846,55.01125,24.57309,17.81808
sgpcmbeC1.c1,2007,0612:30:00,29 ,0.534765,70.07553,25.89427,22.58234
sgpcmbeC1.c1,2007,0613:30:00,28 ,0.688497,68.17786,29.63839,21.46592
sgpcmbeC1.c1,2007,0614:30:00,29 ,1.330765,57.65385,27.91315,19.03889
sgpcmbeC1.c1,2007,0615:30:00,29 ,2.603124, 55.1943,31.03796, 17.3428
sgpcmbeC1.c1,2007,0616:30:00,30 ,3.810298,56.32282,23.29077,14.02569
sgpcmbeC1.c1,2007,0617:30:00,30 ,0.454082,36.15425,15.70894,10.09494
sgpcmbeC1.c1,2007,0618:30:00,30 ,       0,22.52216,9.859611, 6.21409
sgpcmbeC1.c1,2007,0619:30:00,30 ,       0,10.39376, 4.75058,3.205892
sgpcmbeC1.c1,2007,0620:30:00,30 ,       0,       0,       0,       0
sgpcmbeC1.c1,2007,0621:30:00,30 ,       0,0.068152,0.003921,0.015023
sgpcmbeC1.c1,2007,0622:30:00,30 ,       0,0.065354,0.002437,0.011949
sgpcmbeC1.c1,2007,0623:30:00,30 ,       0,0.123025,0.005084,0.022713