datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,1998,06 0:30:00,30 ,       0,136.7285, 11.6313,31.64982
sgpcmbeC1.c1,1998,06 1:30:00,30 ,       0,148.3031,8.577343,28.70403
sgpcmbeC1.c1,1998,06 2:30:00,30 ,       0,78.23853,9.658831,20.58692
sgpcmbeC1.c1,1998,06 3:30:00,30 ,       0,39.66782,5.643075,9.701193
sgpcmbeC1.c1,1998,06 4:30:00,30 ,       0,142.5272,19.33937, 43.8166
sgpcmbeC1.c1,1998,06 5:30:00,30 ,       0,181.1983,23.80546,52.28944
sgpcmbeC1.c1,1998,06 6:30:00,30 ,       0,126.1294,15.03153, 31.7372
sgpcmbeC1.c1,1998,06 7:30:00,30 ,       0, 139.045,19.85331,38.36753
sgpcmbeC1.c1,1998,06 8:30:00,30 ,       0,142.1403,16.78902,32.74934
sgpcmbeC1.c1,1998,06 9:30:00,30 ,       0,191.3027,18.77552,41.00713
sgpcmbeC1.c1,1998,0610:30:00,30 ,       0,113.3816,11.89339,24.76241
sgpcmbeC1.c1,1998,0611:30:00,30 ,       0,84.84443,13.86806,25.51449
sgpcmbeC1.c1,1998,0612:30:00,30 ,       0, 131.788,14.85676,31.03982
sgpcmbeC1.c1,1998,0613:30:00,30 ,       0,99.32407,11.97582,24.20433
sgpcmbeC1.c1,1998,0614:30:00,30 ,       0,61.70921,8.546931,15.34721
sgpcmbeC1.c1,1998,0615:30:00,30 ,       0,91.71443,11.25902,20.46711
sgpcmbeC1.c1,1998,0616:30:00,30 ,       0,96.99003, 13.8251,21.57365
sgpcmbeC1.c1,1998,0617:30:00,28 ,       0,36.21067,7.930327,11.17071
sgpcmbeC1.c1,1998,0618:30:00,29 ,       0,91.91617,12.50156,25.09503
sgpcmbeC1.c1,1998,0619:30:00,30 ,       0,173.0978,19.69407,42.89642
sgpcmbeC1.c1,1998,0620:30:00,30 ,       0,204.5438,19.39663,48.57257
sgpcmbeC1.c1,1998,0621:30:00,30 ,       0,152.5373,8.763138,27.93743
sgpcmbeC1.c1,1998,0622:30:00,30 ,       0,140.9928,8.392644, 25.9254
sgpcmbeC1.c1,1998,0623:30:00,30 ,       0,73.52793,6.022116, 15.1421