datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,08 0:30:00,31 ,0.837999,10.34653,3.588674,2.654833
sgpcmbeC1.c1,2006,08 1:30:00,31 ,0.738657,12.97837,3.616143,2.704687
sgpcmbeC1.c1,2006,08 2:30:00,31 ,0.945701,11.89809,3.558163,2.608648
sgpcmbeC1.c1,2006,08 3:30:00,31 ,0.979493,7.737342,2.832217,1.888811
sgpcmbeC1.c1,2006,08 4:30:00,31 ,0.933007,12.26395,3.687586,2.852762
sgpcmbeC1.c1,2006,08 5:30:00,31 ,0.712717,15.23847,3.652101,3.657058
sgpcmbeC1.c1,2006,08 6:30:00,31 ,0.962961,11.90804,3.560551,2.886416
sgpcmbeC1.c1,2006,08 7:30:00,31 ,1.047867,16.73883,3.935206,3.398238
sgpcmbeC1.c1,2006,08 8:30:00,31 ,  1.7267,17.54967,4.642019,3.787433
sgpcmbeC1.c1,2006,08 9:30:00,31 ,1.311964,14.10571,4.427578,3.308055
sgpcmbeC1.c1,2006,0810:30:00,31 ,1.188361,11.29913,3.440145,1.919638
sgpcmbeC1.c1,2006,0811:30:00,31 ,1.392911,16.52673,4.022685,3.397813
sgpcmbeC1.c1,2006,0812:30:00,31 ,1.241345, 14.9112,4.279941, 3.12583
sgpcmbeC1.c1,2006,0813:30:00,31 ,1.575152,  13.719,4.742435,3.381172
sgpcmbeC1.c1,2006,0814:30:00,31 ,1.748518,10.70238,4.199546,2.354178
sgpcmbeC1.c1,2006,0815:30:00,31 ,1.500181,11.27529,4.223996,2.518779
sgpcmbeC1.c1,2006,0816:30:00,31 ,0.984596, 11.7414,4.312095, 2.54502
sgpcmbeC1.c1,2006,0817:30:00,31 ,1.166058,12.84867, 3.69866,2.671254
sgpcmbeC1.c1,2006,0818:30:00,31 ,1.163158,14.45802,3.494996,2.950462
sgpcmbeC1.c1,2006,0819:30:00,31 ,1.473218,15.38731,3.908269,3.331919
sgpcmbeC1.c1,2006,0820:30:00,31 ,0.981448, 17.2898,3.680859,3.686172
sgpcmbeC1.c1,2006,0821:30:00,31 ,0.571227,14.62467,3.794655,3.725268
sgpcmbeC1.c1,2006,0822:30:00,31 ,0.823453,10.85306,3.919448,3.097611
sgpcmbeC1.c1,2006,0823:30:00,31 ,0.715428, 10.4841,3.561502,3.038623