datastream, year, month, tod,n, min, max, mean, std
sgpcmbeC1.c1,2006,06 0:30:00,28 ,       0,136.0892,6.315114,25.55457
sgpcmbeC1.c1,2006,06 1:30:00,28 ,       0,189.2391,11.26658,38.93078
sgpcmbeC1.c1,2006,06 2:30:00,29 ,       0,184.2015,18.36074,44.31342
sgpcmbeC1.c1,2006,06 3:30:00,29 ,       0, 187.003,15.54675,43.21126
sgpcmbeC1.c1,2006,06 4:30:00,28 ,       0,60.95179,7.277614,15.56897
sgpcmbeC1.c1,2006,06 5:30:00,28 ,       0,297.1719, 24.9982,66.42184
sgpcmbeC1.c1,2006,06 6:30:00,26 ,       0,145.0578,16.97676, 38.5041
sgpcmbeC1.c1,2006,06 7:30:00,25 ,       0,144.0993,13.10119,33.23852
sgpcmbeC1.c1,2006,06 8:30:00,28 ,       0,184.4384,26.50906,57.11984
sgpcmbeC1.c1,2006,06 9:30:00,28 ,       0,206.5322, 24.0131,57.29205
sgpcmbeC1.c1,2006,0610:30:00,28 ,       0,224.9351,25.65171,60.47023
sgpcmbeC1.c1,2006,0611:30:00,28 ,       0,353.1682,27.93669,75.95624
sgpcmbeC1.c1,2006,0612:30:00,28 ,       0,183.7226,15.94718,40.06134
sgpcmbeC1.c1,2006,0613:30:00,28 ,       0,89.52249,10.93616,23.14233
sgpcmbeC1.c1,2006,0614:30:00,28 ,       0,85.14116,10.06969, 18.9042
sgpcmbeC1.c1,2006,0615:30:00,29 ,       0,218.1199,18.21913,44.15706
sgpcmbeC1.c1,2006,0616:30:00,28 ,       0,30.14167, 5.15589,8.686214
sgpcmbeC1.c1,2006,0617:30:00,29 ,       0,107.7187,7.018295,21.44869
sgpcmbeC1.c1,2006,0618:30:00,30 ,       0,46.05285,5.520241,10.39905
sgpcmbeC1.c1,2006,0619:30:00,30 ,       0,25.84407,3.040812,5.806175
sgpcmbeC1.c1,2006,0620:30:00,30 ,       0,187.7545,9.230733,34.31134
sgpcmbeC1.c1,2006,0621:30:00,30 ,       0,148.1862,10.49435,34.12861
sgpcmbeC1.c1,2006,0622:30:00,29 ,       0,94.02599,6.464831,20.55992
sgpcmbeC1.c1,2006,0623:30:00,28 ,       0, 108.476,7.984102,25.64433